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Shen X, He J, Zhang N, Li Y, Lei X, Sun C, Muhammad A, Shao Y. Assessing the quality and eco-beneficial microbes in the use of silkworm excrement compost. WASTE MANAGEMENT (NEW YORK, N.Y.) 2024; 183:163-173. [PMID: 38759274 DOI: 10.1016/j.wasman.2024.05.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/26/2024] [Revised: 05/09/2024] [Accepted: 05/12/2024] [Indexed: 05/19/2024]
Abstract
Sericulture has become widespread globally, and the utilization of artificial diets produces a substantial quantity of silkworm excrement. Although silkworm excrement can be composted for environmentally friendly disposal, the potential utility of the resulting compost remains underexplored. The aim of this study was to assess the quality of this unique compost and screen for eco-beneficial microbes, providing a new perspective on microbial research in waste management, especially in sustainable agriculture. The low-concentration compost application exhibited a greater plant growth-promoting effect, which was attributed to an appropriate nutritional value (N, P, K, and dissolved organic matter) and the presence of plant growth-promoting bacteria (PGPB) within the compost. Encouraged by the "One Health" concept, the eco-benefits of potent PGPB, namely, Klebsiella pneumoniae and Bacillus licheniformis, in sericulture were further evaluated. For plants, K. pneumoniae and B. licheniformis increased plant weight by 152.44 % and 130.91 %, respectively. We also found that even a simple synthetic community composed of the two bacteria performed better than any single bacterium. For animals, K. pneumoniae significantly increased the silkworm (Qiufeng × Baiyu strain) cocoon shell weight by 111.94 %, which could increase sericulture profitability. We also elucidated the mechanism by which K. pneumoniae assisted silkworms in degrading tannic acid, a common plant-derived antifeedant, thereby increasing silkworm feed efficiency. Overall, these findings provide the first data revealing multiple beneficial interactions among silkworm excrement-derived microbes, plants, and animals, highlighting the importance of focusing on microbes in sustainable agriculture.
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Affiliation(s)
- Xiaoqiang Shen
- Max Planck Partner Group, Institute of Sericulture and Apiculture, Faculty of Agriculture, Life and Environmental Sciences, Zhejiang University, Hangzhou, China
| | - Jintao He
- Max Planck Partner Group, Institute of Sericulture and Apiculture, Faculty of Agriculture, Life and Environmental Sciences, Zhejiang University, Hangzhou, China
| | - Nan Zhang
- Max Planck Partner Group, Institute of Sericulture and Apiculture, Faculty of Agriculture, Life and Environmental Sciences, Zhejiang University, Hangzhou, China
| | - Yu Li
- Max Planck Partner Group, Institute of Sericulture and Apiculture, Faculty of Agriculture, Life and Environmental Sciences, Zhejiang University, Hangzhou, China
| | - Xiaoyu Lei
- Max Planck Partner Group, Institute of Sericulture and Apiculture, Faculty of Agriculture, Life and Environmental Sciences, Zhejiang University, Hangzhou, China
| | - Chao Sun
- Analysis Center of Agrobiology and Environmental Sciences, Zhejiang University, Hangzhou, China
| | - Abrar Muhammad
- Max Planck Partner Group, Institute of Sericulture and Apiculture, Faculty of Agriculture, Life and Environmental Sciences, Zhejiang University, Hangzhou, China
| | - Yongqi Shao
- Max Planck Partner Group, Institute of Sericulture and Apiculture, Faculty of Agriculture, Life and Environmental Sciences, Zhejiang University, Hangzhou, China; Key Laboratory of Silkworm and Bee Resource Utilization and Innovation of Zhejiang Province, Hangzhou, China; Key Laboratory for Molecular Animal Nutrition, Ministry of Education, Hangzhou, China.
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El Jeni R, Villot C, Koyun OY, Osorio-Doblado A, Baloyi JJ, Lourenco JM, Steele M, Callaway TR. Invited review: "Probiotic" approaches to improving dairy production: Reassessing "magic foo-foo dust". J Dairy Sci 2024; 107:1832-1856. [PMID: 37949397 DOI: 10.3168/jds.2023-23831] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Accepted: 10/24/2023] [Indexed: 11/12/2023]
Abstract
The gastrointestinal microbial consortium in dairy cattle is critical to determining the energetic status of the dairy cow from birth through her final lactation. The ruminant's microbial community can degrade a wide variety of feedstuffs, which can affect growth, as well as production rate and efficiency on the farm, but can also affect food safety, animal health, and environmental impacts of dairy production. Gut microbial diversity and density are powerful tools that can be harnessed to benefit both producers and consumers. The incentives in the United States to develop Alternatives to Antibiotics for use in food-animal production have been largely driven by the Veterinary Feed Directive and have led to an increased use of probiotic approaches to alter the gastrointestinal microbial community composition, resulting in improved heifer growth, milk production and efficiency, and animal health. However, the efficacy of direct-fed microbials or probiotics in dairy cattle has been highly variable due to specific microbial ecological factors within the host gut and its native microflora. Interactions (both synergistic and antagonistic) between the microbial ecosystem and the host animal physiology (including epithelial cells, immune system, hormones, enzyme activities, and epigenetics) are critical to understanding why some probiotics work but others do not. Increasing availability of next-generation sequencing approaches provides novel insights into how probiotic approaches change the microbial community composition in the gut that can potentially affect animal health (e.g., diarrhea or scours, gut integrity, foodborne pathogens), as well as animal performance (e.g., growth, reproduction, productivity) and fermentation parameters (e.g., pH, short-chain fatty acids, methane production, and microbial profiles) of cattle. However, it remains clear that all direct-fed microbials are not created equal and their efficacy remains highly variable and dependent on stage of production and farm environment. Collectively, data have demonstrated that probiotic effects are not limited to the simple mechanisms that have been traditionally hypothesized, but instead are part of a complex cascade of microbial ecological and host animal physiological effects that ultimately impact dairy production and profitability.
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Affiliation(s)
- R El Jeni
- Department of Animal and Dairy Science, University of Georgia, Athens, GA 30602
| | - C Villot
- Lallemand SAS, Blagnac, France, 31069
| | - O Y Koyun
- Department of Animal and Dairy Science, University of Georgia, Athens, GA 30602
| | - A Osorio-Doblado
- Department of Animal and Dairy Science, University of Georgia, Athens, GA 30602
| | - J J Baloyi
- Department of Animal and Dairy Science, University of Georgia, Athens, GA 30602
| | - J M Lourenco
- Department of Animal and Dairy Science, University of Georgia, Athens, GA 30602
| | - M Steele
- Department of Animal Biosciences, University of Guelph, Guelph, ON, Canada, N1G 2W1
| | - T R Callaway
- Department of Animal and Dairy Science, University of Georgia, Athens, GA 30602.
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McDaneld TG, Eicher SD, Dickey A, Kritchevsky JE, Bryan KA, Chitko-McKown CG. Probiotics in milk replacer affect the microbiome of the lung in neonatal dairy calves. Front Microbiol 2024; 14:1298570. [PMID: 38249465 PMCID: PMC10797021 DOI: 10.3389/fmicb.2023.1298570] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Accepted: 12/04/2023] [Indexed: 01/23/2024] Open
Abstract
Introduction Probiotics have been investigated for their many health benefits and impact on the microbiota of the gut. Recent data have also supported a gut-lung axis regarding the bacterial populations (microbiomes) of the two locations; however, little research has been performed to determine the effects of oral probiotics on the microbiome of the bovine respiratory tract. We hypothesized that probiotic treatment would result in changes in the lung microbiome as measured in lung lavage fluid. Our overall goal was to characterize bacterial populations in the lungs of calves fed probiotics in milk replacer and dry rations from birth to weaning. Methods A group of 20 dairy calves was split into two treatment groups: probiotic (TRT; N = 10, milk replacer +5 g/d probiotics; Bovamine Dairy, Chr. Hansen, Inc., Milwaukee, WI) and control (CON; N = 10, milk replacer only). On day 0, birth weight was obtained, and calves were provided colostrum as per the dairy SOP. On day 2, probiotics were added to the milk replacer of the treated group and then included in their dry ration. Lung lavages were performed on day 52 on five random calves selected from each treatment group. DNA was extracted from lavage fluid, and 16S ribosomal RNA (rRNA) gene hypervariable regions 1-3 were amplified by PCR and sequenced using next-generation sequencing (Illumina MiSeq) for the identification of the bacterial taxa present. Taxa were classified into both operational taxonomic units (OTUs) and amplicon sequence variants (ASVs). Results Overall, the evaluation of these samples revealed that the bacterial genera identified in the lung lavage samples of probiotic-fed calves as compared to the control calves were significantly different based on the OTU dataset (p < 0.05) and approached significance for the ASV dataset (p < 0.06). Additionally, when comparing the diversity of taxa in lung lavage samples to nasal and tonsil samples, taxa diversity of lung samples was significantly lower (p < 0.05). Discussion In conclusion, analysis of the respiratory microbiome in lung lavage samples after probiotic treatment provides insight into the distribution of bacterial populations in response to oral probiotics and demonstrates that oral probiotics affect more than the gut microbiome.
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Affiliation(s)
- Tara G. McDaneld
- USDA, ARS, U.S. Meat Animal Research Center, Clay Center, NE, United States
| | - Susan D. Eicher
- Livestock Behavior Research Unit, USDA, ARS, West Lafayette, IN, United States
| | - Aaron Dickey
- USDA, ARS, U.S. Meat Animal Research Center, Clay Center, NE, United States
| | - Janice E. Kritchevsky
- Department of Veterinary Clinical Sciences, College of Veterinary Medicine, Purdue University, West Lafayette, IN, United States
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Silva KGS, Sarturi JO, Johnson BJ, Woerner DR, Lopez AM, Rodrigues BM, Nardi KT, Rush CJ. Effects of bacterial direct-fed microbial mixtures offered to beef cattle consuming finishing diets on intake, nutrient digestibility, feeding behavior, and ruminal kinetics/fermentation profile. J Anim Sci 2024; 102:skae003. [PMID: 38183669 PMCID: PMC10833447 DOI: 10.1093/jas/skae003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Accepted: 01/05/2024] [Indexed: 01/08/2024] Open
Abstract
Effects of bacterial direct-fed microbial (DFM) mixtures on intake, nutrient digestibility, feeding behavior, ruminal fermentation profile, and ruminal degradation kinetics of beef steers were evaluated. Crossbred Angus ruminally cannulated steers (n = 6; body weight [BW] = 520 ± 30 kg) were used in a duplicated 3 × 3 Latin square design and offered a steam-flaked corn-based finisher diet to ad libitum intake for 3, 28-d periods. Treatments were 1) Control (no DFM, lactose carrier only); 2) Treat-A (Lactobacillus animalis, Propionibacterium freudenreichii, Bacillus subtilis, and Bacillus licheniformis), at 1:1:1:3 ratio, respectively; totaling 6 × 109 CFU (50 mg)/animal-daily minimum; and 3) Treat-B, the same DFM combination, but doses at 1:1:3:1 ratio. Bacterial counts were ~30% greater than the minimum expected. Data were analyzed using the GLIMMIX procedure of SAS with the model including the fixed effect of treatment and the random effects of square, period, and animal (square). For repeated measure variables, the fixed effects of treatment, time, and their interaction, and the random effects of square, period, animal (square), and animal (treatment) were used. Preplanned contrasts comparing Control × Treat-A or Treat-B were performed. Intake and major feeding behavior variables were not affected (P ≥ 0.17) by treatments. Steers offered Treat-A had an increased (P = 0.04) ADF digestibility compared with Control. Steers offered Treat-A experienced daily 300 min less (P = 0.04) time under ruminal pH 5.6, a greater (P = 0.04) ruminal pH average and NH3-N concentration (P = 0.05) and tended (P = 0.06) to have a lower ruminal temperature compared to Control. Ruminal VFA was not affected (P ≥ 0.38) by treatments. Steers offered Treat-A increased (P = 0.02) and tended (P = 0.08) to increase the ruminal effective degradable NDF and ADF fractions of the diet-substrate, respectively. When the forage-substrate (low quality) was incubated, steers offered Treat-A tended (P = 0.09) to increase the effective degradable hemicellulose fraction compared to Control. In this experiment, the bacterial combinations did not affect intake and feeding behavior, while the combination with a greater proportion of B. licheniformis (Treat-A) elicited an improved core-fiber digestibility and a healthier ruminal pH pattern, in which the ruminal environment showed to be more prone to induce the effective degradability of fiber fractions, while also releasing more NH3-N.
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Affiliation(s)
| | - Jhones O Sarturi
- Department of Animal and Food Sciences, Texas Tech University, Lubbock, TX79409, USA
| | - Bradley J Johnson
- Department of Animal and Food Sciences, Texas Tech University, Lubbock, TX79409, USA
| | - Dale R Woerner
- Department of Animal and Food Sciences, Texas Tech University, Lubbock, TX79409, USA
| | - Alejandra M Lopez
- Department of Animal and Food Sciences, Texas Tech University, Lubbock, TX79409, USA
| | - Barbara M Rodrigues
- Center for Natural Resource Technology Information, Texas A&M AgriLife Research, College Station, TX 77840, USA
| | - Kaue T Nardi
- Department of Animal and Food Sciences, Texas Tech University, Lubbock, TX79409, USA
| | - Camron J Rush
- Department of Animal and Food Sciences, Texas Tech University, Lubbock, TX79409, USA
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Luan J, Feng X, Yang D, Yang M, Jin Y, Zhang M, Geng C. Dietary supplementation of active dry yeast ( Saccharomyces cerevisiae) to finishing bulls: effects on growth performance, blood hormones, fatty acid concentrations in the gastrointestinal tract and trace mineral elements utilisation. ITALIAN JOURNAL OF ANIMAL SCIENCE 2023. [DOI: 10.1080/1828051x.2022.2164747] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Jiaming Luan
- Agricultural College, Yanbian University, Yanji, China
| | - Xin Feng
- Agricultural College, Yanbian University, Yanji, China
| | - Dongxu Yang
- Agricultural College, Yanbian University, Yanji, China
| | - Meng Yang
- Agricultural College, Yanbian University, Yanji, China
| | - Yinghai Jin
- Agricultural College, Yanbian University, Yanji, China
- Ministry of Education, Engineering Research Center of North-East Cold Region Beef Cattle Science & Technology Innovation, Yanbian University, Yanji, China
| | - Min Zhang
- Agricultural College, Yanbian University, Yanji, China
- Ministry of Education, Engineering Research Center of North-East Cold Region Beef Cattle Science & Technology Innovation, Yanbian University, Yanji, China
| | - Chunyin Geng
- Agricultural College, Yanbian University, Yanji, China
- Ministry of Education, Engineering Research Center of North-East Cold Region Beef Cattle Science & Technology Innovation, Yanbian University, Yanji, China
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Zhou A, Zhang X, Zhou Y, Xiao L, Li T. Effect of direct-fed microbials on growth performance, blood biochemical indices, and immune status of female goats. Anim Biotechnol 2023; 34:1673-1680. [PMID: 34904515 DOI: 10.1080/10495398.2021.2014856] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
The effect of direct-feed microbial (DFM) treatment on body weight, serum biochemical indexes, serum immunoglobulins, and serum cytokines was studied. The study was a completely randomized design with 20 growing females Beichuan white goats, weighing 25.11 ± 1.96 kg, divided into two groups of 10 goats per treatment. Goats were offered (1) 10 mL saline solution (Control group) (2) or 10 mL microbials solution (DFM group) on days 0 and 7 for two times. No effect on final body weight and body size was observed between DFM and control group (p > 0.05). DFM treatment had greater serum total protein, globulin, and albumin/globulin ratio than the control treatment (p < 0.05). The concentrations of IgA, IgG, IgM, INF-γ, and IL-2 in DFM group were significantly higher than those in the control group on days 7, 14, and 21 (p < 0.05), and the highest content was detected on day 14 of the experiment. The concentrations of IgA, IgG, IgM, IL-2, INF-γ, INF-α, IL-4, and IL-5 in DFM group on day 14 were higher than those on day 0 (p < 0.05). In conclusion, DFM enhanced serum immunoglobulins and cytokines without affecting body weight, body size, and normal serum metabolism.
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Affiliation(s)
- Aimin Zhou
- Institute of Livestock Rearch, Mianyang Academy of Agricultural Sciences, Mianyang, China
| | - Xiaohui Zhang
- Institute of Livestock Rearch, Mianyang Academy of Agricultural Sciences, Mianyang, China
| | - Yugang Zhou
- Institute of Livestock Rearch, Mianyang Academy of Agricultural Sciences, Mianyang, China
| | - Long Xiao
- Institute of Livestock Rearch, Mianyang Academy of Agricultural Sciences, Mianyang, China
| | - Tingjian Li
- Institute of Livestock Rearch, Mianyang Academy of Agricultural Sciences, Mianyang, China
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Farooq MZ, Wang X, Yan X. Effects of Aeriscardovia aeriphila on growth performance, antioxidant functions, immune responses, and gut microbiota in broiler chickens. J Zhejiang Univ Sci B 2023; 24:1014-1026. [PMID: 37961803 PMCID: PMC10646399 DOI: 10.1631/jzus.b2200621] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Accepted: 04/16/2023] [Indexed: 09/23/2023]
Abstract
Aeriscardovia aeriphila, also known as Bifidobacterium aerophilum, was first isolated from the caecal contents of pigs and the faeces of cotton-top tamarin. Bifidobacterium species play important roles in preventing intestinal infections, decreasing cholesterol levels, and stimulating the immune system. In this study, we isolated a strain of bacteria from the duodenal contents of broiler chickens, which was identified as A. aeriphila, and then evaluated the effects of A. aeriphila on growth performance, antioxidant functions, immune functions, and gut microbiota in commercial broiler chickens. Chickens were orally gavaged with A. aeriphila (1×109 CFU/mL) for 21 d. The results showed that A. aeriphila treatment significantly increased the average daily gain and reduced the feed conversion ratio (P<0.001). The levels of serum growth hormone (GH) and insulin-like growth factor 1 (IGF-1) were significantly increased following A. aeriphila treatment (P<0.05). Blood urea nitrogen and aspartate aminotransferase levels were decreased, whereas glucose and creatinine levels increased as a result of A. aeriphila treatment. Furthermore, the levels of serum antioxidant enzymes, including catalase (P<0.01), superoxide dismutase (P<0.001), and glutathione peroxidase (P<0.05), and total antioxidant capacity (P<0.05) were enhanced following A. aeriphila treatment. A. aeriphila treatment significantly increased the levels of serum immunoglobulin A (IgA) (P<0.05), IgG (P<0.01), IgM (P<0.05), interleukin-1 (IL-1) (P<0.05), IL-4 (P<0.05), and IL-10 (P<0.05). The broiler chickens in the A. aeriphila group had higher secretory IgA (SIgA) levels in the duodenum (P<0.01), jejunum (P<0.001), and cecum (P<0.001) than those in the control group. The messenger RNA (mRNA) relative expression levels of IL-10 (P<0.05) and IL-4 (P<0.001) in the intestinal mucosa of chickens were increased, while nuclear factor-κB (NF-κB) (P<0.001) expression was decreased in the A. aeriphila group compared to the control group. Phylum-level analysis revealed Firmicutes as the main phylum, followed by Bacteroidetes, in both groups. The data also found that Phascolarctobacterium and Barnesiella were increased in A. aeriphila-treated group. In conclusion, oral administration of A. aeriphila could improve the growth performance, serum antioxidant capacity, immune modulation, and gut health of broilers. Our findings may provide important information for the application of A. aeriphila in poultry production.
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Affiliation(s)
- Muhammad Zahid Farooq
- National Key Laboratory of Agricultural Microbiology, Hubei Hongshan Laboratory, Frontiers Science Center for Animal Breeding and Sustainable Production, College of Animal Sciences and Technology, Huazhong Agricultural University, Wuhan 430070, China
- Department of Animal Sciences, University of Veterinary and Animal Sciences (Jhang Campus), Lahore 54000, Pakistan
| | - Xinkai Wang
- National Key Laboratory of Agricultural Microbiology, Hubei Hongshan Laboratory, Frontiers Science Center for Animal Breeding and Sustainable Production, College of Animal Sciences and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Xianghua Yan
- National Key Laboratory of Agricultural Microbiology, Hubei Hongshan Laboratory, Frontiers Science Center for Animal Breeding and Sustainable Production, College of Animal Sciences and Technology, Huazhong Agricultural University, Wuhan 430070, China.
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Wang L, Lin Z, Ali M, Zhu X, Zhang Y, Li S, Li K, Kebzhai F, Li J. Effects of lactic acid bacteria isolated from Tibetan chickens on the growth performance and gut microbiota of broiler. Front Microbiol 2023; 14:1171074. [PMID: 37547685 PMCID: PMC10397386 DOI: 10.3389/fmicb.2023.1171074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Accepted: 07/05/2023] [Indexed: 08/08/2023] Open
Abstract
Lactic acid bacteria (LAB) are organic supplements that have several advantages for the health of the host. Tibetan chickens are an ancient breed, which evolve unique gut microbiota due to their adaptation to the hypoxic environment of high altitude. However, knowledge of LAB isolated from Tibetan chickens is very limited. Thus, the purpose of this study was to assess the probiotic properties of Lactobacillus Plantarum (LP1), Weissella criteria (WT1), and Pediococcus pentosaceus (PT2) isolated from Tibetan chickens and investigate their effects on growth performance, immunoregulation and intestinal microbiome in broiler chickens. Growth performance, serum biochemical analysis, real-time PCR, and 16S rRNA sequencing were performed to study the probiotic effects of LP1, WT1, and PT2 in broiler chickens. Results showed that LP1, WT1 and PT2 were excellent inhibitors against Escherichia coli (E. coli ATCC25922), meanwhile, LP1, WT1, and PT2 significantly increased weekly weight gain, villus height, antioxidant ability and gut microbiota diversity indexes in broilers. In addition, LP1 and PT2 increased the relative abundance of Lactobacillus and decreased Desulfovibrio in comparison with T1 (control group). Additionally, oral LAB can reduce cholesterol and regulate the expression of tight junction genes in broiler chickens, suggesting that LAB can improve the integrity of the cecal barrier and immune response. In conclusion, LAB improved the growth performance, gut barrier health, intestinal flora balance and immune protection of broiler chickens. Our findings revealed the uniqueness of LAB isolated from Tibetan chickens and its potential as a probiotic additive in poultry field.
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Affiliation(s)
- Lei Wang
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China
| | - Zhengrong Lin
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China
| | - Mahboob Ali
- Department of Health, Rural Health Center Akhtarabad, Okara, Pakistan
| | - Xiaohui Zhu
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China
| | - Yu Zhang
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China
| | - Siyuan Li
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China
| | - Kun Li
- Institute of Traditional Chinese Veterinary Medicine, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China
| | - Fareeda Kebzhai
- Directorate Planning and Development, Livestock and Dairy Development Department Balochistan, Quetta, Pakistan
| | - Jiakui Li
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China
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Wang B, Zhou Y, Wang Q, Xu S, Wang F, Yue M, Zeng Z, Li W. Lactiplantibacillus plantarum Lac16 Attenuates Enterohemorrhagic Escherichia coli O157:H7 Infection by Inhibiting Virulence Traits and Improving Intestinal Epithelial Barrier Function. Cells 2023; 12:1438. [PMID: 37408272 DOI: 10.3390/cells12101438] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Revised: 05/15/2023] [Accepted: 05/16/2023] [Indexed: 07/07/2023] Open
Abstract
Large-scale use of antimicrobials in agriculture and medicine contributes to antibiotic residues in raw foods, the spread of antimicrobial resistance (AMR) and drug pollution, which seriously threatens human health and imposes significant economic burdens on society, suggesting the need for novel therapeutic options that prevent or control zoonoses. In this study, four probiotics were selected to assess their capability to alleviate pathogen-induced damage. Results showed that a simulated gastrointestinal juice and bile tolerated L. plantarum Lac16 with high lactic acid secretion can significantly inhibit the growth of multiple zoonotic pathogens. Lac16 also significantly inhibited the biofilm formation and mRNA expression of virulence traits (genes related to virulence, toxins, flagella biogenesis and motility, antibiotic resistance, biofilm formation and AI-2 quorum sensing) of enterohemorrhagic E. coli O157:H7 (EHEC). Furthermore, Lac16 and Lac26 significantly protected C. elegans against zoonotic pathogen-induced (EHEC, S. typhimurium, C. perfringens) deaths. Moreover, Lac16 significantly promoted epithelial repair and ameliorated lipopolysaccharide (LPS)-induced intestinal epithelial apoptosis and barrier dysfunction by activating the Wnt/β-catenin signaling pathway, and markedly reduced LPS-induced inflammatory responses by inhibiting the TLR4/MyD88 signaling pathway. The present results indicate that Lac16 attenuates enterohemorrhagic E. coli infection-induced damage by inhibiting key virulence traits of E. coli, promoting epithelial repair and improving intestinal epithelial barrier function, which may be mediated by the activated Wnt/β-catenin signaling pathway and the inhibited TLR4/MyD88 signaling pathway of the intestinal epithelium.
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Affiliation(s)
- Baikui Wang
- Key Laboratory of Molecular Animal Nutrition of the Ministry of Education, Institute of Animal Nutrition and Feed Sciences, Zhejiang University College of Animal Sciences, Hangzhou 310058, China
| | - Yuanhao Zhou
- Key Laboratory of Molecular Animal Nutrition of the Ministry of Education, Institute of Animal Nutrition and Feed Sciences, Zhejiang University College of Animal Sciences, Hangzhou 310058, China
| | - Qi Wang
- Key Laboratory of Molecular Animal Nutrition of the Ministry of Education, Institute of Animal Nutrition and Feed Sciences, Zhejiang University College of Animal Sciences, Hangzhou 310058, China
| | - Shujie Xu
- Key Laboratory of Molecular Animal Nutrition of the Ministry of Education, Institute of Animal Nutrition and Feed Sciences, Zhejiang University College of Animal Sciences, Hangzhou 310058, China
| | - Fei Wang
- Key Laboratory of Molecular Animal Nutrition of the Ministry of Education, Institute of Animal Nutrition and Feed Sciences, Zhejiang University College of Animal Sciences, Hangzhou 310058, China
| | - Min Yue
- Department of Veterinary Medicine, Institute of Preventive Veterinary Sciences, College of Animal Sciences, Zhejiang University, Hangzhou 310012, China
- Nanjing Kangyou Biotechnology Co., Ltd., Nanjing 211316, China
| | - Zhonghua Zeng
- Nanjing Kangyou Biotechnology Co., Ltd., Nanjing 211316, China
| | - Weifen Li
- Key Laboratory of Molecular Animal Nutrition of the Ministry of Education, Institute of Animal Nutrition and Feed Sciences, Zhejiang University College of Animal Sciences, Hangzhou 310058, China
- Nanjing Kangyou Biotechnology Co., Ltd., Nanjing 211316, China
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Jinno C, Wong B, Klünemann M, Htoo J, Li X, Liu Y. Effects of supplementation of Bacillus amyloliquefaciens on performance, systemic immunity, and intestinal microbiota of weaned pigs experimentally infected with a pathogenic enterotoxigenic E. coli F18. Front Microbiol 2023; 14:1101457. [PMID: 37007512 PMCID: PMC10050357 DOI: 10.3389/fmicb.2023.1101457] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Accepted: 02/20/2023] [Indexed: 03/17/2023] Open
Abstract
The objective of this study was to investigate the effects of dietary supplementation of Bacillus (B.) amyloliquefaciens on growth performance, diarrhea, systemic immunity, and intestinal microbiota of weaned pigs experimentally infected with F18 enterotoxigenic Escherichia coli (ETEC). A total of 50 weaned pigs (7.41 ± 1.35 kg BW) were individually housed and randomly allotted to one of the following five treatments: sham control (CON-), sham B. amyloliquefaciens (BAM-), challenged control (CON+), challenged B. amyloliquefaciens (BAM+), and challenged carbadox (AGP+). The experiment lasted 28 days, with 7 days of adaptation and 21 days after the first ETEC inoculation. ETEC challenge reduced (P < 0.05) average daily gain (ADG) of pigs. Compared with CON+, AGP+ enhanced (P < 0.05) ADG, while B. amyloliquefaciens supplementation tended (P < 0.10) to increase ADG in pigs from days 0 to 21 post-inoculation (PI). The ETEC challenge increased (P < 0.05) white blood cell (WBC) count on days 7 and 21 PI, while BAM+ pigs tended (P < 0.10) to have low WBC on day 7 PI and had lower (P < 0.05) WBC on day 21 PI compared with CON+. In comparison to AGP+ fecal microbiota, BAM+ had a lower (P < 0.05) relative abundance of Lachnospiraceae on day 0 and Clostridiaceae on day 21 PI, but a higher (P < 0.05) relative abundance of Enterobacyeriaceae on day 0. In ileal digesta, the Shannon index was higher (P < 0.05) in BAM+ than in AGP+. Bray-Curtis PCoA displayed a difference in bacterial community composition in ileal digesta collected from sham pigs vs. ETEC-infected pigs on day 21 PI. Pigs in BAM+ had a greater (P < 0.05) relative abundance of Firmicutes, but a lower (P < 0.05) relative abundance of Actinomycetota and Bacteroidota in ileal digesta than pigs in AGP+. Ileal digesta from AGP+ had a greater (P < 0.05) abundance of Clostridium sensu stricto 1 but lower (P < 0.05) Bifidobacterium than pigs in BAM+. In conclusion, supplementation of B. amyloliquefaciens tended to increase ADG and had limited effects on the diarrhea of ETEC-infected pigs. However, pigs fed with B. amyloliquefaciens exhibit milder systemic inflammation than controls. B. amyloliquefaciens differently modified the intestinal microbiota of weaned pigs compared with carbadox.
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Affiliation(s)
- Cynthia Jinno
- Department of Animal Science, University of California, Davis, Davis, CA, United States
| | - Braden Wong
- Department of Animal Science, University of California, Davis, Davis, CA, United States
| | | | - John Htoo
- Evonik Operations GmbH, Hanau, Germany
| | - Xunde Li
- Department of Animal Science, University of California, Davis, Davis, CA, United States
| | - Yanhong Liu
- Department of Animal Science, University of California, Davis, Davis, CA, United States
- *Correspondence: Yanhong Liu
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11
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Mansilla FI, Miranda MH, Uezen JD, Maldonado NC, D'Urso Villar MA, Merino LA, Vignolo GM, Nader-Macias MEF. Effect of probiotic lactobacilli supplementation on growth parameters, blood profile, productive performance, and fecal microbiology in feedlot cattle. Res Vet Sci 2023; 155:76-87. [PMID: 36652843 DOI: 10.1016/j.rvsc.2023.01.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Revised: 12/13/2022] [Accepted: 01/02/2023] [Indexed: 01/09/2023]
Abstract
Lactic acid bacteria (LAB) selected on the basis of probiotic characteristics were administered to beef feedlot catlle and the effect on body condition/growth and nutritional-metabolic status as well as on E. coli O157:H7 fecal shedding, were investigated. A feeding trials involving 126 steers were used to evaluate the effects of Lactobacillus acidophilus CRL2074, Limosilactobacillus fermentum CRL2085 and Limosilactobacillus mucosae CRL2069 and their combinations (5 different probiotic groups and control) when 107-108 CFU/animal of each probiotic group were in-feed supplemented. Cattle were fed a high energy corn-based diet (16 to 88%) and samples from each animal were taken at 0, 40, 104 and 163 days. In general, animals body condition and sensorium state showed optimal muscle-skeletal development and behavioral adaption to confinement; no nasal/eye discharges and diarrheic feces were observed. The nutritional performance of the steers revealed a steady increase of biometric parameters and weight. Animals supplied with L. mucosae CRL2069 for 104 days reached the maximum mean live weight (343.2 kg), whereas the greatest weight daily gain (1.27 ± 0.16 Kg/day) was obtained when CRL2069 and its combination with L. fermentum CRL2085 (1.26 ± 0.11 kg/day) were administered during the complete fattening cycle. With several exceptions, bovine cattle blood and serum parameters showed values within referential ranges. As a preharvest strategy to reduce Escherichia coli O157:H7 in cattle feces, CRL2085 administered during 40 days decreased pathogen shedding with a reduction of 43% during the feeding period. L. fermentum CRL2085 and L. mucosae CRL2069 show promise for feedlot cattle feeding supplementation to improve metabolic-nutritional status, overall productive performance and to reduce E. coli O157:H7 shedding, thus decreasing contamination chances of meat food products.
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Affiliation(s)
- Flavia I Mansilla
- Centro de Referencia para Lactobacilos (CERELA-CONICET), Chacabuco 145, (4000), Tucumán, Argentina
| | - Maria H Miranda
- Centro de Referencia para Lactobacilos (CERELA-CONICET), Chacabuco 145, (4000), Tucumán, Argentina
| | - José D Uezen
- Centro de Referencia para Lactobacilos (CERELA-CONICET), Chacabuco 145, (4000), Tucumán, Argentina
| | - Natalia C Maldonado
- Centro de Referencia para Lactobacilos (CERELA-CONICET), Chacabuco 145, (4000), Tucumán, Argentina
| | | | - Luis A Merino
- Institute of Regional Medicine, Universidad Nacional del Nordeste, Argentina
| | - Graciela M Vignolo
- Centro de Referencia para Lactobacilos (CERELA-CONICET), Chacabuco 145, (4000), Tucumán, Argentina
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12
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Tang Q, He R, Huang F, Liang Q, Zhou Z, Zhou J, Wang Q, Zou C, Gu Q. Effects of ensiling sugarcane tops with bacteria-enzyme inoculants on growth performance, nutrient digestibility, and the associated rumen microbiome in beef cattle. J Anim Sci 2023; 101:skad326. [PMID: 37813104 PMCID: PMC10636847 DOI: 10.1093/jas/skad326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Accepted: 10/07/2023] [Indexed: 10/11/2023] Open
Abstract
Major challenges when ensiling sugarcane tops include fermentation that results in high quantities of alcohol and decrease in nutrient digestibility due to the accumulation of fiber components. Increased efforts to apply bacteria-enzyme inoculants in silage have the potential to improve nutrient digestibility. This study aimed to evaluate the effects of ensiling sugarcane tops with bacteria-enzyme inoculants or mixed bacterial inoculants on growth performance, nutrient digestibility, and rumen microbiome in beef cattle. Chopped sugarcane tops were ensiled in plastic bags for 60 d after application of 1) no inoculant (control check, CK); 2) bacteria-enzyme inoculants containing Pediococcus acidilactici, Saccharomyces cerevisiae, cellulase, and xylanase (T1, viable colony-forming units of each bacterial strain ≥108 CFU/g; enzyme activity of each enzyme ≥200 U/g); or 3) mixed bacterial inoculants containing Lactobacillus plantarum, Bacillus subtilis, and Aspergillus oryzae (T2, viable colony-forming units of each bacterial strain ≥107 CFU/g). Silages were fed to eighteen Holstein bull calves (n = 6/treatment) weighing 163.83 ± 7.13 kg to determine intake in a 49-d experimental period. The results showed that beef cattle-fed T1 silage or T2 silage had a significantly higher (P < 0.05) average daily gain than those fed CK silage, but the difference in dry matter intake was not significant (P > 0.05). The apparent digestibility of crude protein (CP) and acid detergent fiber (ADF) were higher (P < 0.05) for beef cattle-fed T1 silage or T2 silage than for those fed CK silage. The rumen bacterial community of beef cattle-fed T1 silage or T2 silage had a tendency to increase (P > 0.05) abundance of Firmicutes and Rikenellaceae_RC9_gut_group than those fed CK silage. Rumen fungal communities of beef cattle-fed T1 or T2 silage had a tendency to increase (P > 0.05) abundance of Mortierellomycota and of Mortierella than those fed CK silage. Spearman's rank correlation coefficient showed that the apparent digestibility of ADF for beef cattle was positively correlated with unclassified_p_Ascomycota of the fungal genera (P < 0.05). Neocalimastigomycota of the fungal phyla was strongly positively correlated with the apparent digestibility of neutral detergent fiber (NDF) (P < 0.05). Ruminococcus was positively correlated with the apparent digestibility of CP (P < 0.05). It was concluded that both T1 and T2 improved the growth performance of beef cattle by improving the ruminal apparent digestibility of CP and ADF, and had no significant impact on major rumen microbial communities in beef cattle.
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Affiliation(s)
- Qingfeng Tang
- Collegeof Animal Science and Technology, Guangxi University, Nanning, Guangxi 530004, China
| | - Renchun He
- The Animal Husbandry Research Institute, Guangxi Vocational University of Agriculture, Nanning, Guangxi 530000, China
| | - Feng Huang
- Collegeof Animal Science and Technology, Guangxi University, Nanning, Guangxi 530004, China
| | - Qimei Liang
- The Animal Husbandry Research Institute, Guangxi Vocational University of Agriculture, Nanning, Guangxi 530000, China
| | - Zhiyang Zhou
- The Animal Husbandry Research Institute, Guangxi Vocational University of Agriculture, Nanning, Guangxi 530000, China
| | - Junhua Zhou
- The Animal Husbandry Research Institute, Guangxi Vocational University of Agriculture, Nanning, Guangxi 530000, China
| | - Qizhi Wang
- The Animal Husbandry Research Institute, Guangxi Vocational University of Agriculture, Nanning, Guangxi 530000, China
| | - Caixia Zou
- Collegeof Animal Science and Technology, Guangxi University, Nanning, Guangxi 530004, China
| | - Qichao Gu
- Collegeof Animal Science and Technology, Guangxi University, Nanning, Guangxi 530004, China
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13
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Lei B, Xu Y, Lei Y, Li C, Zhou P, Wang L, Yang Q, Li X, Li F, Liu C, Cui C, Chen T, Ni W, Hu S. CRAMdb: a comprehensive database for composition and roles of microbiome in animals. Nucleic Acids Res 2022; 51:D700-D707. [PMID: 36318246 PMCID: PMC9825719 DOI: 10.1093/nar/gkac973] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2022] [Revised: 10/05/2022] [Accepted: 10/29/2022] [Indexed: 01/09/2023] Open
Abstract
CRAMdb (a database for composition and roles of animal microbiome) is a comprehensive resource of curated and consistently annotated metagenomes for non-human animals. It focuses on the composition and roles of the microbiome in various animal species. The main goal of the CRAMdb is to facilitate the reuse of animal metagenomic data, and enable cross-host and cross-phenotype comparisons. To this end, we consistently annotated microbiomes (including 16S, 18S, ITS and metagenomics sequencing data) of 516 animals from 475 projects spanning 43 phenotype pairs to construct the database that is equipped with 9430 bacteria, 278 archaea, 2216 fungi and 458 viruses. CRAMdb provides two main contents: microbiome composition data, illustrating the landscape of the microbiota (bacteria, archaea, fungi, and viruses) in various animal species, and microbiome association data, revealing the relationships between the microbiota and various phenotypes across different animal species. More importantly, users can quickly compare the composition of the microbiota of interest cross-host or body site and the associated taxa that differ between phenotype pairs cross-host or cross-phenotype. CRAMdb is freely available at (http://www.ehbio.com/CRAMdb).
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Affiliation(s)
| | | | | | - Cunyuan Li
- College of Life Sciences, Shihezi University, Shihezi, Xinjiang 832003, China,Key Laboratory of Ecological Corps for Oasis City and Mountain Basin System, College of Science, Shihezi University, Shihezi, Xinjiang 832000, China
| | - Ping Zhou
- State Key Laboratory of Sheep Genetic Improvement and Healthy Production, Xinjiang Academy of Agricultural and Reclamation Science, Xinjiang 832003, China
| | - Limin Wang
- State Key Laboratory of Sheep Genetic Improvement and Healthy Production, Xinjiang Academy of Agricultural and Reclamation Science, Xinjiang 832003, China
| | - Qing Yang
- Key Laboratory of Ecological Impacts of Hydraulic-Projects and Restoration of Aquatic Ecosystem of Ministry of Water Resources, Institute of Hydroecology Ministry of Water Resources and Chinese Academy of Sciences, Wuhan 430079, China
| | - Xiaoyue Li
- College of Life Sciences, Shihezi University, Shihezi, Xinjiang 832003, China
| | - Fulin Li
- College of Life Sciences, Shihezi University, Shihezi, Xinjiang 832003, China
| | - Chuyang Liu
- College of Life Sciences, Shihezi University, Shihezi, Xinjiang 832003, China
| | - Chaowen Cui
- College of Life Sciences, Shihezi University, Shihezi, Xinjiang 832003, China
| | - Tong Chen
- Correspondence may also be addressed to Tong Chen.
| | - Wei Ni
- Correspondence may also be addressed to Wei Ni.
| | - Shengwei Hu
- To whom correspondence should be addressed. Tel: +86 993 2058002; Fax: +86 993 2058002;
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14
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Oh SH, Jang JC, Lee CY, Han JH, Park BC. Direct-fed Enterococcus faecium plus bacteriophages as substitutes for pharmacological zinc oxide in weanling pigs: effects on diarrheal score and growth. Anim Biosci 2022; 35:1752-1759. [PMID: 36229021 PMCID: PMC9659466 DOI: 10.5713/ab.22.0262] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Accepted: 09/11/2022] [Indexed: 01/25/2023] Open
Abstract
OBJECTIVE Effects of direct-fed Enterococcus faecium plus bacteriophages (EF-BP) were investigated as potential substitutes for pharmacological ZnO for weanling pigs. METHODS Dietary treatments were supplementations to a basal diet with none (NC), 3,000- ppm ZnO (PC), 1×1010 colony-forming units of E. faecium plus 1×108 plaque-forming units (PFU) of anti-Salmonella typhimurium bacteriophages (ST) or 1×106 PFU of each of anti-enterotoxigenic Escherichia coli K88 (F4)-, K99 (F5)-, and F18-type bacteriophages (EC) per kg diet. In Exp 1, twenty-eight 21-day-old crossbred weanling pigs were individually fed one of the experimental diets for 14 days and euthanized for histological examination on intestinal mucosal morphology. In Exp 2, 128 crossbred weanling pigs aged 24 days were group-fed the same experimental diets in 16 pens of 8 piglets on a farm with a high incidence of post-weaning diarrhea. RESULTS None of the diarrheal score or fecal consistency score (FCS), average daily gain (ADG), gain: feed ratio, structural variables of the intestinal villus, and goblet cell density, differed between the EF-BP (ST+EC) and NC groups, between EF-BP and PC, or between ST and EC, with the exception of greater gain: feed for EF-BP than for PC (p<0.05) during days 7 to 14 (Exp 1). In Exp 2, ADG was less for EF-BP vs PC during days 0 to 7 and greater for EF-BP vs NC during days 7 to 14. FCS peaked on day 7 and declined by day 14. Moreover, FCS was less for EF-BP vs NC, did not differ between EF-BP and PC, and tended to be greater for ST vs EC (p = 0.099). Collectively, EF-BP was comparable to or slightly less effective than PC in alleviating diarrhea and growth check of the weanling pigs, with ST almost as effective as PC, when they were group-fed. CONCLUSION The E. faecium-bacteriophage recipe, especially E. faecium-anti-S. typhimurium, is promising as a potential substitute for pharmacological ZnO.
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Affiliation(s)
- Sang-Hyon Oh
- Department of Animal Resources Technology, Gyeongsang National University, Jinju 52725,
Korea
| | - Jae-Cheol Jang
- Department of Animal Resources Technology, Gyeongsang National University, Jinju 52725,
Korea
| | - Chul Young Lee
- Department of Animal Resources Technology, Gyeongsang National University, Jinju 52725,
Korea
| | - Jeong Hee Han
- College of Veterinary Medicine and Institute of Veterinary Science, Kangwon National University, Chuncheon 24341,
Korea
| | - Byung-Chul Park
- Graduate School of International Agricultural Technology and Institutes of Green Bio Science and Technology, Seoul National University, Pyeongchang 25354,
Korea,Corresponding Author: Byung-Chul Park, Tel: +82-33-5792, Fax: +82-33-339-5763, E-mail:
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15
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Du L, Qiu X, Zhu S, Liu J, Wang J, Wang Q, Liu Z, Yang F, Yun T, Qi R. Soybean oligosaccharides combined with probiotics reduce faecal odour compound content by improving intestinal microbiota in pigs. J Anim Physiol Anim Nutr (Berl) 2022; 107:839-849. [PMID: 36239230 DOI: 10.1111/jpn.13782] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2022] [Revised: 07/28/2022] [Accepted: 09/05/2022] [Indexed: 11/28/2022]
Abstract
As a potential prebiotic, soybean oligosaccharides (SBOS) can improve animal health by modulating gut microbiota. The aim of this study was to investigate the different effects of supplementing SBOS and supplementing SBOS plus probiotic on the growth and health of pigs. Three groups of growing pigs (n = 12) were fed with basal diet (Control), basal diet + 0.5% SBOS (SBOS), or basal diet +0.5% SBOS + 0.1% compound probiotics (SOP) for 42 days. Results showed that SBOS and SOP treatments had positive effects on the pigs in the experiment, and the latter was more effective. Compared with the control pigs, the average daily gain of SBOS group and SOP group slightly increased, SOP significantly increased the serum levels of growth hormone and thyroid hormone T3. Importantly, serum concentrations of immunoglobulin (IgA, IgG and IgM), total antioxidant capacity and superoxide dismutase in both treatments were increased significantly, SOP group most. Moreover, the faecal odour compounds of pigs, especially skatole, were significantly reduced by the treatments. Additionally, SOP significantly increased the diversity and richness of the faecal microbiota, both the treatments increased genera of norank_f_Muribaculaceae and Ruminococcaceae but reduced Lactobacillus. Correlation analysis indicated that Lactobacillus was significantly positively correlated with odour compounds, while Ruminococcaceae was the opposite. Conclusively, synbiotics combined with SBOS and probiotics had stronger promotion effects on the growth and health of pigs.
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Affiliation(s)
- Lei Du
- Animal Nutrition Institute, Chongqing Academy of Animal Science, Chongqing, China.,State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Xiaoyu Qiu
- Animal Nutrition Institute, Chongqing Academy of Animal Science, Chongqing, China
| | - Siyuan Zhu
- College of Life Sciences, Southwest University of Science and Technology, Mianyang, China
| | - Jingbo Liu
- College of Life Sciences, Southwest University of Science and Technology, Mianyang, China
| | - Jing Wang
- Animal Nutrition Institute, Chongqing Academy of Animal Science, Chongqing, China
| | - Qi Wang
- Animal Nutrition Institute, Chongqing Academy of Animal Science, Chongqing, China
| | - Zuohua Liu
- Animal Nutrition Institute, Chongqing Academy of Animal Science, Chongqing, China.,Key Laboratory of Pig Industry Sciences, Ministry of Agriculture, Rongchang, Chongqing, China
| | - Feiyun Yang
- Animal Nutrition Institute, Chongqing Academy of Animal Science, Chongqing, China.,Key Laboratory of Pig Industry Sciences, Ministry of Agriculture, Rongchang, Chongqing, China
| | - Tingting Yun
- Zhengzhou Yunyi Biological Technology Co., Ltd, Zhengzhou, Henan, China
| | - Renli Qi
- Animal Nutrition Institute, Chongqing Academy of Animal Science, Chongqing, China.,Key Laboratory of Pig Industry Sciences, Ministry of Agriculture, Rongchang, Chongqing, China
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16
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Mansilla FI, Ficoseco CA, Miranda MH, Puglisi E, Nader-Macías MEF, Vignolo GM, Fontana CA. Administration of probiotic lactic acid bacteria to modulate fecal microbiome in feedlot cattle. Sci Rep 2022; 12:12957. [PMID: 35902668 PMCID: PMC9334624 DOI: 10.1038/s41598-022-16786-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2021] [Accepted: 07/15/2022] [Indexed: 11/20/2022] Open
Abstract
Modulation of animal gut microbiota is a prominent function of probiotics to improve the health and performance of livestock. In this study, a large-scale survey to evaluate the effect of lactic acid bacteria probiotics on shaping the fecal bacterial community structure of feedlot cattle during three experimental periods of the fattening cycle (163 days) was performed. A commercial feedlot located in northwestern Argentina was enrolled with cattle fed mixed rations (forage and increasing grain diet) and a convenience-experimental design was conducted. A pen (n = 21 animals) was assigned to each experimental group that received probiotics during three different periods. Groups of n = 7 animals were sampled at 40, 104 and 163 days and these samples were then pooled to one, thus giving a total of 34 samples that were subjected to high-throughput sequencing. The microbial diversity of fecal samples was significantly affected (p < 0.05) by the administration period compared with probiotic group supplementation. Even though, the three experimental periods of probiotic administration induced changes in the relative abundance of the most representative bacterial communities, the fecal microbiome of samples was dominated by the Firmicutes (72–98%) and Actinobacteria (0.8–27%) phyla, while a lower abundance of Bacteroidetes (0.08–4.2%) was present. Probiotics were able to modulate the fecal microbiota with a convergence of Clostridiaceae, Lachnospiraceae, Ruminococcaceae and Bifidobacteriaceae associated with health and growth benefits as core microbiome members. Metabolic functional prediction comparing three experimental administration periods (40, 104 and 163 days) showed an enrichment of metabolic pathways related to complex plant-derived polysaccharide digestion as well as amino acids and derivatives during the first 40 days of probiotic supplementation. Genomic-based knowledge on the benefits of autochthonous probiotics on cattle gastrointestinal tract (GIT) microbiota composition and functions will contribute to their selection as antibiotic alternatives for commercial feedlot.
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Affiliation(s)
| | | | | | - Edoardo Puglisi
- Dipartimento di Scienze e Tecnologie Alimentari per una Filiera Agro-alimentare Sostenibile (DISTAS), Università Cattolica del Sacro Cuore, Cremona-Piacenza, Italy
| | | | | | - Cecilia Alejandra Fontana
- Instituto Nacional de Tecnología Agropecuaria INTA EEA-Famaillá, Tucumán, Argentina. .,Dipartimento di Scienze e Tecnologie Alimentari per una Filiera Agro-alimentare Sostenibile (DISTAS), Università Cattolica del Sacro Cuore, Cremona-Piacenza, Italy.
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17
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Li L, lv X, Han X, Sun C, An K, Gao W, Xia Z. Effect of Dietary Bacillus licheniformis Supplementation on Growth Performance and Microbiota Diversity of Pekin Ducks. Front Vet Sci 2022; 9:832141. [PMID: 35265695 PMCID: PMC8899091 DOI: 10.3389/fvets.2022.832141] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Accepted: 01/07/2022] [Indexed: 11/13/2022] Open
Abstract
This experiment was conducted to investigate the effects of different concentrations of Bacillus licheniformis (B. licheniformis) on growth performance and microbiota diversity of Pekin ducks. Three hundred 1-day-old healthy Pekin ducks were randomly divided into 5 groups with 6 replicates per group and 10 ducks per replicate. The five treatments supplemented with basal diets containing: either 0 (group CON), 200 (group LLB), 400 (group MLB), and 800 (group HLB) mg/kg B. licheniformis or 150 mg/kg aureomycin (group ANT) for 42 days, respectively, and were sacrificed and sampled in the morning of the 42nd day for detection of relevant indexes. The results showed as follows: The feed conversion ratio of the LLB group and MLB groups were lower than the CON group (P < 0.05). The body weight and average daily feed intake of the MLB group were significantly higher than that of the CON group and ANT group (P < 0.05). Compared with the CON group, the MLB group significantly increased the content of IgA (P < 0.05) and proinflammatory IL-6 were significantly decreased (P < 0.05), besides, the activity of SOD and T-AOC were also significantly increased in the MLB group (P < 0.05). The 16S rRNA analysis showed that B. licheniformis treatments had no effect (P > 0.05) on the alpha diversities of the intestine. The addition of B. licheniformis had a dynamic effect on the abundance of cecal microflora of Pekin ducks, and 1-21 d increased the diversity of microflora, while 21d-42 d decreased it. Compared with the CON group, the relative abundance of Epsilonbacteraeota in the MLB group was significantly increased on Day 21 (P < 0.05), and that of Tenericutes in the LLB group was significantly increased as well (P < 0.05). At 42 d, the relative abundance of Bacteroidetes in LLB, MBL, HBL, and ANT groups was significantly increased (P < 0.05). In addition, the addition of B. licheniformis increased the amount of SCAF-producing bacteria in the intestinal microbiota, such as Lachnospiraceae, Collinsella, Christensenellaceae, and Bilophila. The PICRUSt method was used to predict the intestinal microbiota function, and it was found that lipid transport and metabolism of intestinal microbiota in the MLB group were significantly affected. Overall, these results suggest diet supplemented with B. licheniformis improved growth performance, immune status, antioxidant capacity, and modulated intestinal microbiota in Pekin ducks. The optimal dietary supplement dose is 400 mg/kg.
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Affiliation(s)
- Lei Li
- College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Xueze lv
- College of Veterinary Medicine, China Agricultural University, Beijing, China
- Beijing General Station of Animal Husbandry, Beijing, China
| | - Xu Han
- College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Chenglei Sun
- College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Keying An
- College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Wenwen Gao
- College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Zhaofei Xia
- College of Veterinary Medicine, China Agricultural University, Beijing, China
- *Correspondence: Zhaofei Xia
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18
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Agglomerated live yeast (Saccharomyces cerevisiae) supplemented to pelleted total mixed rations improves the growth performance of fattening lambs. Livest Sci 2022. [DOI: 10.1016/j.livsci.2022.104855] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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19
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Koyun OY, Callaway TR, Nisbet DJ, Anderson RC. Innovative Treatments Enhancing the Functionality of Gut Microbiota to Improve Quality and Microbiological Safety of Foods of Animal Origin. Annu Rev Food Sci Technol 2022; 13:433-461. [DOI: 10.1146/annurev-food-100121-050244] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
The gastrointestinal tract, or gut, microbiota is a microbial community containing a variety of microorganisms colonizing throughout the gut that plays a crucial role in animal health, growth performance, and welfare. The gut microbiota is closely associated with the quality and microbiological safety of foods and food products originating from animals. The gut microbiota of the host can be modulated and enhanced in ways that improve the quality and safety of foods of animal origin. Probiotics—also known as direct-fed microbials—competitive exclusion cultures, prebiotics, and synbiotics have been utilized to achieve this goal. Reducing foodborne pathogen colonization in the gut prior to slaughter and enhancing the chemical, nutritional, or sensory characteristics of foods (e.g., meat, milk, and eggs) are two of many positive outcomes derived from the use of these competitive enhancement–based treatments in food-producing animals. Expected final online publication date for the Annual Review of Food Science and Technology, Volume 13 is March 2022. Please see http://www.annualreviews.org/page/journal/pubdates for revised estimates.
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Affiliation(s)
- Osman Y. Koyun
- Department of Animal and Dairy Science, University of Georgia, Athens, Georgia, USA
| | - Todd R. Callaway
- Department of Animal and Dairy Science, University of Georgia, Athens, Georgia, USA
| | - David J. Nisbet
- Food and Feed Safety Research Unit, Southern Plains Agricultural Research Center, Agricultural Research Service, United States Department of Agriculture, College Station, Texas, USA
| | - Robin C. Anderson
- Food and Feed Safety Research Unit, Southern Plains Agricultural Research Center, Agricultural Research Service, United States Department of Agriculture, College Station, Texas, USA
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Wang B, Zhou Y, Mao Y, Gong L, Li X, Xu S, Wang F, Guo Q, Zhang H, Li W. Dietary Supplementation With Lactobacillus plantarum Ameliorates Compromise of Growth Performance by Modulating Short-Chain Fatty Acids and Intestinal Dysbiosis in Broilers Under Clostridium perfringens Challenge. Front Nutr 2021; 8:706148. [PMID: 34722602 PMCID: PMC8551491 DOI: 10.3389/fnut.2021.706148] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Accepted: 09/17/2021] [Indexed: 12/12/2022] Open
Abstract
Clostridium perfringens is an important zoonotic pathogen associated with food contamination and poisoning, gas gangrene, necrotizing enterocolitis or necrotic enteritis in humans and animals. Dysbacteriosis is supposedly associated with the development of C. perfringens infection induced necrotic enteritis, but the detailed relationship between intestinal health, microbiome, and C. perfringens infection-induced necrotic enteritis remains poorly understood. This research investigated the effect of probiotics on the growth performance and intestinal health of broilers, and the involved roles of intestinal microbiota and microbial metabolic functions under C. perfringens infection. Results showed that subclinical necrotic enteritis was successfully induced as evidenced by the significant lower body weight (BW), suppressed feed conversion ratio (FCR), decreased ileal villus height and mucosal barrier function, and increased ileal histopathological score and bursal weight index. Lactobacillus plantarum or Paenibacillus polymyxa significantly attenuated C. perfringens-induced compromise of growth performance (BW, FCR) and ileal mucosa damage as illustrated by the increased ileal villus height and villus/crypt ratio, the decreased ileal histopathological score and the enhanced ileal mucosal barrier function. L. plantarum also significantly alleviated C. perfringens-induced enlarged bursa of fabricius and the decreased levels of ileal total SCFAs, acetate, lactate, and butyrate. Furthermore, dietary L. plantarum improved C. perfringens infection-induced intestinal dysbiosis as evidenced by significantly enriched short-chain fatty acids-producing bacteria (Lachnospiraceae, Ruminococcaceae, Oscillospira, Faecalibacterium, Blautia), reduced drug-resistant bacteria (Bacteroides, Alistipes) and enteric pathogens (Escherichia coli, Bacteroides fragilis) and bacterial metabolic dysfunctions as illustrated by significantly increased bacterial fatty acid biosynthesis, decreased bacterial lipopolysaccharide biosynthesis, and antibiotic biosynthesis (streptomycin and vancomycin). Additionally, the BW and intestinal SCFAs were the principal factors affecting the bacterial communities and microbial metabolic functions. The above findings indicate that dietary with L. plantarum attenuates C. perfringens-induced compromise of growth performance and intestinal dysbiosis by increasing SCFAs and improving intestinal health in broilers.
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Affiliation(s)
- Baikui Wang
- Key Laboratory of Molecular Animal Nutrition of the Ministry of Education, Key Laboratory of Animal Nutrition and Feed Science (Eastern of China) of the Ministry of Agriculture, Key Laboratory of Animal Feed and Nutrition of Zhejiang, College of Animal Sciences, Institute of Animal Nutrition and Feed Sciences, Zhejiang University, Hangzhou, China
| | - Yuanhao Zhou
- Key Laboratory of Molecular Animal Nutrition of the Ministry of Education, Key Laboratory of Animal Nutrition and Feed Science (Eastern of China) of the Ministry of Agriculture, Key Laboratory of Animal Feed and Nutrition of Zhejiang, College of Animal Sciences, Institute of Animal Nutrition and Feed Sciences, Zhejiang University, Hangzhou, China
| | - Yulong Mao
- Key Laboratory of Molecular Animal Nutrition of the Ministry of Education, Key Laboratory of Animal Nutrition and Feed Science (Eastern of China) of the Ministry of Agriculture, Key Laboratory of Animal Feed and Nutrition of Zhejiang, College of Animal Sciences, Institute of Animal Nutrition and Feed Sciences, Zhejiang University, Hangzhou, China
| | - Li Gong
- Key Laboratory of Molecular Animal Nutrition of the Ministry of Education, Key Laboratory of Animal Nutrition and Feed Science (Eastern of China) of the Ministry of Agriculture, Key Laboratory of Animal Feed and Nutrition of Zhejiang, College of Animal Sciences, Institute of Animal Nutrition and Feed Sciences, Zhejiang University, Hangzhou, China.,School of Life Science and Engineering, Foshan University, Foshan, China
| | - Xiang Li
- Key Laboratory of Molecular Animal Nutrition of the Ministry of Education, Key Laboratory of Animal Nutrition and Feed Science (Eastern of China) of the Ministry of Agriculture, Key Laboratory of Animal Feed and Nutrition of Zhejiang, College of Animal Sciences, Institute of Animal Nutrition and Feed Sciences, Zhejiang University, Hangzhou, China
| | - Shujie Xu
- Key Laboratory of Molecular Animal Nutrition of the Ministry of Education, Key Laboratory of Animal Nutrition and Feed Science (Eastern of China) of the Ministry of Agriculture, Key Laboratory of Animal Feed and Nutrition of Zhejiang, College of Animal Sciences, Institute of Animal Nutrition and Feed Sciences, Zhejiang University, Hangzhou, China
| | - Fei Wang
- Key Laboratory of Molecular Animal Nutrition of the Ministry of Education, Key Laboratory of Animal Nutrition and Feed Science (Eastern of China) of the Ministry of Agriculture, Key Laboratory of Animal Feed and Nutrition of Zhejiang, College of Animal Sciences, Institute of Animal Nutrition and Feed Sciences, Zhejiang University, Hangzhou, China
| | - Qianpeng Guo
- Key Laboratory of Molecular Animal Nutrition of the Ministry of Education, Key Laboratory of Animal Nutrition and Feed Science (Eastern of China) of the Ministry of Agriculture, Key Laboratory of Animal Feed and Nutrition of Zhejiang, College of Animal Sciences, Institute of Animal Nutrition and Feed Sciences, Zhejiang University, Hangzhou, China
| | - Huihua Zhang
- School of Life Science and Engineering, Foshan University, Foshan, China
| | - Weifen Li
- Key Laboratory of Molecular Animal Nutrition of the Ministry of Education, Key Laboratory of Animal Nutrition and Feed Science (Eastern of China) of the Ministry of Agriculture, Key Laboratory of Animal Feed and Nutrition of Zhejiang, College of Animal Sciences, Institute of Animal Nutrition and Feed Sciences, Zhejiang University, Hangzhou, China
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21
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Ban Y, Guan LL. Implication and challenges of direct-fed microbial supplementation to improve ruminant production and health. J Anim Sci Biotechnol 2021; 12:109. [PMID: 34635155 PMCID: PMC8507308 DOI: 10.1186/s40104-021-00630-x] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Accepted: 08/08/2021] [Indexed: 01/03/2023] Open
Abstract
Direct-fed microbials (DFMs) are feed additives containing live naturally existing microbes that can benefit animals' health and production performance. Due to the banned or strictly limited prophylactic and growth promoting usage of antibiotics, DFMs have been considered as one of antimicrobial alternatives in livestock industry. Microorganisms used as DFMs for ruminants usually consist of bacteria including lactic acid producing bacteria, lactic acid utilizing bacteria and other bacterial groups, and fungi containing Saccharomyces and Aspergillus. To date, the available DFMs for ruminants have been largely based on their effects on improving the feed efficiency and ruminant productivity through enhancing the rumen function such as stabilizing ruminal pH, promoting ruminal fermentation and feed digestion. Recent research has shown emerging evidence that the DFMs may improve performance and health in young ruminants, however, these positive outcomes were not consistent among studies and the modes of action have not been clearly defined. This review summarizes the DFM studies conducted in ruminants in the last decade, aiming to provide the new knowledge on DFM supplementation strategies for various ruminant production stages, and to identify what are the potential barriers and challenges for current ruminant industry to adopt the DFMs. Overall literature research indicates that DFMs have the potential to mitigate ruminal acidosis, improve immune response and gut health, increase productivity (growth and milk production), and reduce methane emissions or fecal shedding of pathogens. More research is needed to explore the mode of action of specific DFMs in the gut of ruminants, and the optimal supplementation strategies to promote the development and efficiency of DFM products for ruminants.
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Affiliation(s)
- Yajing Ban
- Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, Alberta, T6G 2P5, Canada
| | - Le Luo Guan
- Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, Alberta, T6G 2P5, Canada.
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Palma-Hidalgo JM, Yáñez-Ruiz DR, Jiménez E, Martín-García AI, Belanche A. Presence of Adult Companion Goats Favors the Rumen Microbial and Functional Development in Artificially Reared Kids. Front Vet Sci 2021; 8:706592. [PMID: 34557542 PMCID: PMC8453066 DOI: 10.3389/fvets.2021.706592] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Accepted: 08/03/2021] [Indexed: 02/01/2023] Open
Abstract
Newborn dairy ruminants are usually separated from their dams after birth and fed on milk replacer. This lack of contact with adult animals may hinder the rumen microbiological and physiological development. This study evaluates the effects of rearing newborn goat kids in contact with adult companions on the rumen development. Thirty-two newborn goat kids were randomly allocated to two experimental groups which were reared either in the absence (CTL) or in the presence of non-lactating adult goats (CMP) and weaned at 7 weeks of age. Blood and rumen samples were taken at 5, 7, and 9 weeks of age to evaluate blood metabolites and rumen microbial fermentation. Next-generation sequencing was carried out on rumen samples collected at 7 weeks of age. Results showed that CTL kids lacked rumen protozoa, whereas CMP kids had an abundant and complex protozoal community as well as higher methanogen abundance which positively correlated with the body weight and blood β-hydroxybutyrate as indicators of the physiological development. CMP kids also had a more diverse bacterial community (+132 ASVs) and a different structure of the bacterial and methanogen communities than CTL kids. The core rumen bacterial community in CMP animals had 53 more ASVs than that of CTL animals. Furthermore, the number of ASVs shared with the adult companions was over 4-fold higher in CMP kids than in CTL kids. Greater levels of early rumen colonizers Proteobacteria and Spirochaetes were found in CTL kids, while CMP kids had higher levels of Bacteroidetes and other less abundant taxa (Veillonellaceae, Cyanobacteria, and Selenomonas). These findings suggest that the presence of adult companions facilitated the rumen microbial development prior to weaning. This accelerated microbial development had no effect on the animal growth, but CMP animals presented higher rumen pH and butyrate (+45%) and ammonia concentrations than CTL kids, suggesting higher fibrolytic and proteolytic activities. CMP kids also had higher blood β-hydroxybutyrate (+79%) and lower blood glucose concentrations (-23%) at weaning, indicating an earlier metabolic development which could favor the transition from pre-ruminant to ruminant after the weaning process. Further research is needed to determine the effects of this intervention in more challenging farm conditions.
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Affiliation(s)
| | | | | | | | - Alejandro Belanche
- Estación Experimental del Zaidín (CSIC), Granada, Spain
- Department of Animal Production and Food Sciences, AgriFood Institute of Aragon (IA2), University of Zaragoza-CITA, Zaragoza, Spain
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23
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Wang B, Gong L, Zhou Y, Tang L, Zeng Z, Wang Q, Zou P, Yu D, Li W. Probiotic Paenibacillus polymyxa 10 and Lactobacillus plantarum 16 enhance growth performance of broilers by improving the intestinal health. ANIMAL NUTRITION (ZHONGGUO XU MU SHOU YI XUE HUI) 2021; 7:829-840. [PMID: 34466687 PMCID: PMC8384779 DOI: 10.1016/j.aninu.2021.03.008] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Revised: 02/03/2021] [Accepted: 03/09/2021] [Indexed: 01/13/2023]
Abstract
With the ever-growing strict prohibitions on antibiotic growth promoters (AGP) in animal production, in-feed probiotics are becoming attractive alternatives to antibiotics in the poultry industry. To investigate the effects of Paenibacillus polymyxa 10 and Lactobacillus plantarum 16 on the growth performance and intestinal health of broilers, 540 male Cobb 500 broilers of 1 d old were randomly divided into 3 groups with 6 replicates per group and 30 chicks per replicate. Broilers were fed with either a basal diet or basal diets supplemented with 1 × 108 colony-forming units (CFU)/kg P. polymyxa 10 (BSC10) or L. plantarum 16 (Lac16) for 42 d. Results showed that Lac16 treatment improved (P < 0.05) the growth performance (body weight and feed conversion) of broilers at the starter phase, while BSC10 treatment slightly improved (P > 0.05) the growth performance of the starter phase broilers. The increased villus height (P < 0.05) at d 14, 21 and 42 and villus height to crypt depth ratio (P < 0.05) at d 14 and 21 were observed in the ileum of the 2 probiotic groups. Besides, transmission electron microscopy results showed that the 2 probiotics enhanced the intestinal epithelial barrier. Both probiotic treatments up-regulated (P < 0.05) the mRNA expression of fatty acid binding protein 1 (FABP1) and sodium-dependent glucose transporters-1 (SGLT-1) in the ileal mucosa of broilers at d 21. In addition, BSC10 and Lac16 treatments significantly (P < 0.05) increased the relative abundance of short-chain fatty acids-producing bacteria, such as Butyricicoccus pullicaecorum, Faecalibacterium prausnitzii, Lachnospira and Coprococcu, and significantly (P < 0.05) decreased the relative abundance of enteric pathogens (Escherichia coli, Bacteroides fragilis and Shigella sonnei). Furthermore, the 2 probiotic treatments also increased the positive connection among the intestinal microbes and the carbohydrate metabolism-related pathways of the intestinal bacteria (P < 0.05), with decreasing (P < 0.05) nucleotides biosynthesis-related pathways of the intestinal bacteria. Overall, these results suggest that the 2 probiotics, especially Lac16, have a potential beneficial effect on the growth performance and intestinal health of starter phase broilers.
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Affiliation(s)
- Baikui Wang
- Key Laboratory of Molecular Animal Nutrition of the Ministry of Education, Key Laboratory of Animal Nutrition and Feed Science (Eastern of China) of the Ministry of Agriculture, Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Institute of Animal Nutrition and Feed Sciences, College of Animal Sciences, Zhejiang University, 310058, Hangzhou, China
| | - Li Gong
- Key Laboratory of Molecular Animal Nutrition of the Ministry of Education, Key Laboratory of Animal Nutrition and Feed Science (Eastern of China) of the Ministry of Agriculture, Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Institute of Animal Nutrition and Feed Sciences, College of Animal Sciences, Zhejiang University, 310058, Hangzhou, China
| | - Yuanhao Zhou
- Key Laboratory of Molecular Animal Nutrition of the Ministry of Education, Key Laboratory of Animal Nutrition and Feed Science (Eastern of China) of the Ministry of Agriculture, Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Institute of Animal Nutrition and Feed Sciences, College of Animal Sciences, Zhejiang University, 310058, Hangzhou, China
| | - Li Tang
- Key Laboratory of Molecular Animal Nutrition of the Ministry of Education, Key Laboratory of Animal Nutrition and Feed Science (Eastern of China) of the Ministry of Agriculture, Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Institute of Animal Nutrition and Feed Sciences, College of Animal Sciences, Zhejiang University, 310058, Hangzhou, China
| | - Zihan Zeng
- Key Laboratory of Molecular Animal Nutrition of the Ministry of Education, Key Laboratory of Animal Nutrition and Feed Science (Eastern of China) of the Ministry of Agriculture, Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Institute of Animal Nutrition and Feed Sciences, College of Animal Sciences, Zhejiang University, 310058, Hangzhou, China
| | - Qi Wang
- Key Laboratory of Molecular Animal Nutrition of the Ministry of Education, Key Laboratory of Animal Nutrition and Feed Science (Eastern of China) of the Ministry of Agriculture, Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Institute of Animal Nutrition and Feed Sciences, College of Animal Sciences, Zhejiang University, 310058, Hangzhou, China
| | - Peng Zou
- Key Laboratory of Molecular Animal Nutrition of the Ministry of Education, Key Laboratory of Animal Nutrition and Feed Science (Eastern of China) of the Ministry of Agriculture, Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Institute of Animal Nutrition and Feed Sciences, College of Animal Sciences, Zhejiang University, 310058, Hangzhou, China
| | - Dongyou Yu
- Key Laboratory of Molecular Animal Nutrition of the Ministry of Education, Key Laboratory of Animal Nutrition and Feed Science (Eastern of China) of the Ministry of Agriculture, Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Institute of Animal Nutrition and Feed Sciences, College of Animal Sciences, Zhejiang University, 310058, Hangzhou, China
- Hainan Institute, Zhejiang University, Sanya 572000, China
| | - Weifen Li
- Key Laboratory of Molecular Animal Nutrition of the Ministry of Education, Key Laboratory of Animal Nutrition and Feed Science (Eastern of China) of the Ministry of Agriculture, Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Institute of Animal Nutrition and Feed Sciences, College of Animal Sciences, Zhejiang University, 310058, Hangzhou, China
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Frimpong Y, Boateng M, Amoah K, Atuahene P, Okungbowa S, Baah J, Okai D. Response of large white gilts to diets containing differing probiotic products. SCIENTIFIC AFRICAN 2021. [DOI: 10.1016/j.sciaf.2021.e00878] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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25
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Effects of bacterial DFM and tannins on measures of immunity and growth performance of newly weaned beef calves. Livest Sci 2021. [DOI: 10.1016/j.livsci.2021.104571] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Wang B, Ye X, Zhou Y, Zhao P, Mao Y. Glycyrrhizin Attenuates Salmonella Typhimurium-Induced Tissue Injury, Inflammatory Response, and Intestinal Dysbiosis in C57BL/6 Mice. Front Vet Sci 2021; 8:648698. [PMID: 34239908 PMCID: PMC8258384 DOI: 10.3389/fvets.2021.648698] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2021] [Accepted: 05/12/2021] [Indexed: 11/13/2022] Open
Abstract
Salmonellae are one of the most important foodborne pathogens, which threaten the health of humans and animals severely. Glycyrrhizin (GL) has been proven to exhibit anti-inflammatory and tissue-protective properties. Here, we investigated the effects of GL on tissue injury, inflammatory response, and intestinal dysbiosis in Salmonella Typhimurium-infected mice. Results showed that GL or gentamicin (GM) significantly (P < 0.05) alleviated ST-induced splenomegaly indicated by the decreased spleen index, injury of liver and jejunum indicated by the decreased hepatocytic apoptosis, and the increased jejunal villous height. GL significantly (P < 0.05) increased secretion of inflammatory cytokines (IFN-γ, IL-12p70, IL-6, and IL-10) in spleen and IL-12p40 mRNA expression in liver. Meanwhile, GL or GM pre-infection treatments significantly (P < 0.05) decreased ST-induced pro-inflammatory cytokine (IFN-γ, TNF-α, and IL-6) expression in both spleen and liver and increased (P < 0.05) anti-inflammatory cytokine IL-10 secretion in spleen. Furthermore, GL or GM pre-infection treatment also regulates the diversities and compositions of intestinal microbiota and decreased the negative connection among the intestinal microbes in ST-infected mice. The above findings indicate that GL alleviates ST-induced splenomegaly, hepatocytic apoptosis, injury of jejunum and liver, inflammatory response of liver and spleen, and intestinal dysbacteriosis in mice.
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Affiliation(s)
- Baikui Wang
- Key Laboratory of Animal Molecular Nutrition of Education of Ministry, National Engineering Laboratory of Biological Feed Safety and Pollution Prevention and Control, Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Institute of Animal Nutrition and Feed Sciences, College of Animal Sciences, Zhejiang University, Hangzhou, China
| | - Xiaolin Ye
- Medical Faculty, Heinrich-Heine University Düsseldorf, Düsseldorf, Germany
| | - Yuanhao Zhou
- Key Laboratory of Animal Molecular Nutrition of Education of Ministry, National Engineering Laboratory of Biological Feed Safety and Pollution Prevention and Control, Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Institute of Animal Nutrition and Feed Sciences, College of Animal Sciences, Zhejiang University, Hangzhou, China
| | - Pengwei Zhao
- Key Laboratory of Animal Molecular Nutrition of Education of Ministry, National Engineering Laboratory of Biological Feed Safety and Pollution Prevention and Control, Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Institute of Animal Nutrition and Feed Sciences, College of Animal Sciences, Zhejiang University, Hangzhou, China
| | - Yulong Mao
- Key Laboratory of Animal Molecular Nutrition of Education of Ministry, National Engineering Laboratory of Biological Feed Safety and Pollution Prevention and Control, Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Institute of Animal Nutrition and Feed Sciences, College of Animal Sciences, Zhejiang University, Hangzhou, China
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Fesseha H, Demlie T, Mathewos M, Eshetu E. Effect of Lactobacillus Species Probiotics on Growth Performance of Dual-Purpose Chicken. VETERINARY MEDICINE-RESEARCH AND REPORTS 2021; 12:75-83. [PMID: 33854957 PMCID: PMC8039195 DOI: 10.2147/vmrr.s300881] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Accepted: 03/12/2021] [Indexed: 12/14/2022]
Abstract
Introduction In-feed probiotics are becoming attractive alternatives to antibiotics in the poultry industry due to the ever-growing strict prohibitions on antibiotic growth promoters (AGP) in animal production. Methods The study was conducted to investigate the effects of Lactobacillus paracaseis sparacasei and Lactobacillus rhamnosus on the growth performance of 120 day-olds randomly selected Sasso dual-purpose chicken. They were divided into four groups with two replicates per group and 15 chicks per replicate. The treatments were T1 (control), T2 (supplement diet with 4g probiotic), T3 (supplement diet with 2g probiotic), T4 (supplement diet with 1g probiotic). The experimental feeding trials were conducted after two weeks adaptation period. Results The present findings revealed that the chickens supplemented with Lactobacillus species probiotics during the first week of age have shown higher body weight than control (p < 0.05). The feed intake of week one of T2 and T3 were significantly higher (p< 0.05) than the T1 (control). However, there was no significant difference (p> 0.05) in feed intake in the 2nd, 3rd, 4th, and 5t h weeks of all treatment groups. The present result showed that there was a significant body weight gain (p< 0.05) in all probiotic fed groups than the control group. The highest body weight gain was observed in chickens found in the T4 treatment group. Whereas the body weight gains significantly higher and improved the feed conversion (p<0.05) in the T2 and T4 than the T1 (control). However, the feed conversion ratio was significantly influenced by probiotic inclusion in T3 as compared to the control group. Conclusion Overall, the results suggest that Lactobacillus paracaseis sparacasei and Lactobacillus rhamnosus have a positive effect on the growth performance of broilers.
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Affiliation(s)
- Haben Fesseha
- Department of Veterinary Surgery and Diagnostic Imaging, Wolaita Sodo University, School of Veterinary Medicine, Wolaita Sodo, Ethiopia
| | - Tigabu Demlie
- Department of Veterinary Clinical Laboratory Science, School of Veterinary Medicine, Wollo University, Dessie, Ethiopia
| | - Mesfin Mathewos
- Department of Veterinary Pathology, Wolaita Sodo University, School of Veterinary Medicine, Wolaita Sodo, Ethiopia
| | - Eyob Eshetu
- Department of Veterinary Parasitology, Wolaita Sodo University, School of Veterinary Medicine, Wolaita Sodo, Ethiopia
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28
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Jeni RE, Dittoe DK, Olson EG, Lourenco J, Corcionivoschi N, Ricke SC, Callaway TR. Probiotics and potential applications for alternative poultry production systems. Poult Sci 2021; 100:101156. [PMID: 34077849 PMCID: PMC8181177 DOI: 10.1016/j.psj.2021.101156] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Accepted: 03/17/2021] [Indexed: 12/24/2022] Open
Abstract
Concerns over animal welfare continue to be a critical component of law and policies associated with commercial food animal production. Social and market pressures are the driving forces behind the legislation and result in the change of poultry production management systems. As a result, the movement toward cage-free and aviary-based egg production systems has become standard practices. Cage-based systems being replaced by alternative methods that offer a suitable housing environment to meet or exceed poultry welfare needs and require different management, including the ban of antibiotics in poultry diets. For broiler production, pasture- raised and free-range management systems have become more popular. However, challenges remain from exposure to disease-causing organisms and foodborne pathogens in these environments. Consequently, probiotics can be supplemented in poultry diets as commercial feed additives. The present review discusses the impacts of these probiotics on the performance of alternative poultry production systems for improving food safety and poultry health by mitigating pathogenic organisms and improving egg and meat quality and production.
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Affiliation(s)
- Rim El Jeni
- Department of Animal and Dairy Science, University of Georgia, Athens, GA, USA
| | - Dana K Dittoe
- Department of Animal and Dairy Sciences, Meat Science and Animal Biologics Discovery Program, University of Wisconsin, Madison, WI, USA
| | - Elena G Olson
- Department of Animal and Dairy Sciences, Meat Science and Animal Biologics Discovery Program, University of Wisconsin, Madison, WI, USA
| | - Jeferson Lourenco
- Bacteriology Branch, Veterinary Sciences Division, Agri-Food and Biosciences Institute, Belfast, Northern Ireland, United Kingdom
| | - Nicolae Corcionivoschi
- Bacteriology Branch, Veterinary Sciences Division, Agri-Food and Biosciences Institute, Belfast, Northern Ireland, United Kingdom; Faculty of Bioengineering of Animal Resources, Banat University of Animal Sciences and Veterinary Medicine - King Michael I of Romania, Timisoara, Romania
| | - Steven C Ricke
- Department of Animal and Dairy Sciences, Meat Science and Animal Biologics Discovery Program, University of Wisconsin, Madison, WI, USA
| | - Todd R Callaway
- Faculty of Bioengineering of Animal Resources, Banat University of Animal Sciences and Veterinary Medicine - King Michael I of Romania, Timisoara, Romania.
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Ruiz Sella SRB, Bueno T, de Oliveira AAB, Karp SG, Soccol CR. Bacillus subtilis natto as a potential probiotic in animal nutrition. Crit Rev Biotechnol 2021; 41:355-369. [PMID: 33563053 DOI: 10.1080/07388551.2020.1858019] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
The growing global demand for animal products and processed meat has created a challenge for the livestock sector to enhance animal productivity without compromising product quality. The restriction of antibiotics in animal feeds as growth promoters makes the use of probiotics a natural and safe alternative to obtain functional foods that provide animal health and quality and to maintain food safety for consumers. To incorporate these additives into the diet, detailed studies are required, in which in vitro and in vivo assays are used to prove the efficacy and to ensure the safety of probiotic candidate strains. Studies on the use of Bacillus subtilis natto as a spore-forming probiotic bacterium in animal nutrition have shown no hazardous effects and have demonstrated the effectiveness of its use as a probiotic, mainly due to its proven antimicrobial, anti-inflammatory, antioxidant, enzymatic, and immunomodulatory activity. This review summarizes the recent scientific background on the probiotic effects of B. subtilis natto in animal nutrition. It focuses on its safety assessment, host-associated efficacy, and industrial requirements.
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Affiliation(s)
- Sandra R B Ruiz Sella
- Department of Bioprocess Engineering and Biotechnology, Federal University of Paraná, Curitiba, Brazil.,Departament of Research and Development, Production and Research Centre of Immunobiological Products, Secretaria de Estado da Saúde, Piraquara, Brazil
| | - Tarcila Bueno
- Department of Bioprocess Engineering and Biotechnology, Federal University of Paraná, Curitiba, Brazil.,Biotechnology Coordination, Federal Institute of Paraná, Curitiba, Brazil
| | - Angelo A B de Oliveira
- Department of Bioprocess Engineering and Biotechnology, Federal University of Paraná, Curitiba, Brazil
| | - Susan Grace Karp
- Department of Bioprocess Engineering and Biotechnology, Federal University of Paraná, Curitiba, Brazil
| | - Carlos Ricardo Soccol
- Department of Bioprocess Engineering and Biotechnology, Federal University of Paraná, Curitiba, Brazil
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Trevisi P, Luise D, Correa F, Bosi P. Timely Control of Gastrointestinal Eubiosis: A Strategic Pillar of Pig Health. Microorganisms 2021; 9:313. [PMID: 33546450 PMCID: PMC7913656 DOI: 10.3390/microorganisms9020313] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Revised: 01/30/2021] [Accepted: 02/01/2021] [Indexed: 12/15/2022] Open
Abstract
The pig gastrointestinal tract (GIT) is an open ecosystem in which microorganisms and their host are mutually involved and continually adapt to different factors and problems which may or may not be host dependent or due to the production system. The aim of the present review is to highlight the factors affecting the GIT microbial balance in young pigs, focusing on the pre- and post-weaning phases, to define a road map for improving pig health and the production efficiency of the food chain. Birth and weaning body weight, physiological maturation, colostrum and milk (composition and intake), genetic background, environmental stressors and management practices, antibiotic use and diet composition are considered. Overall, there is a lack of knowledge regarding the effect that some factors, including weaning age, the use of creep feed, the composition of the colostrum and milk and the use of antibiotics, may have on the gut microbiome of piglets. Furthermore, the information on the gut microbiome of piglets is mainly based on the taxonomy description, while there is a lack of knowledge regarding the functional modification of the microbiota, essential for the exploitation of microbiota potential for modulating pig physiology.
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Affiliation(s)
- Paolo Trevisi
- Department of Agricultural and Food Sciences (DISTAL), University of Bologna, 40127 Bologna, Italy; (D.L.); (F.C.); (P.B.)
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Amin AB, Mao S. Influence of yeast on rumen fermentation, growth performance and quality of products in ruminants: A review. ACTA ACUST UNITED AC 2020; 7:31-41. [PMID: 33997329 PMCID: PMC8110857 DOI: 10.1016/j.aninu.2020.10.005] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2020] [Revised: 08/14/2020] [Accepted: 10/15/2020] [Indexed: 12/28/2022]
Abstract
This review aims to give an overview of the efficacy of yeast supplementation on growth performance, rumen pH, rumen microbiota, and their relationship to meat and milk quality in ruminants. The practice of feeding high grain diets to ruminants in an effort to increase growth rate and weight gain usually results in excess deposition of saturated fatty acids in animal products and increased incidence of rumen acidosis. The supplementation of yeast at the right dose and viability level could counteract the acidotic effects of these high grain diets in the rumen and positively modify the fatty acid composition of animal products. Yeast exerts its actions by competing with lactate-producing (Streptococcus bovis and Lactobacillus) bacteria for available sugar and encouraging the growth of lactate-utilising bacteria (Megasphaera elsdenii). M. elsdenii is known to convert lactate into butyrate and propionate leading to a decrease in the accumulation of lactate thereby resulting in higher rumen pH. Interestingly, this creates a conducive environment for the proliferation of vaccenic acid-producing bacteria (Butyrivibrio fibrisolvens) and ciliate protozoa, both of which have been reported to increase the ruminal concentration of trans-11 and cis-9, trans-11-conjugated linoleic acid (CLA) at a pH range between 5.6 and 6.3. The addition of yeast into the diet of ruminants has also been reported to positively modify rumen biohydrogenation pathway to synthesise more of the beneficial biohydrogenation intermediates (trans -11 and cis -9, trans -11). This implies that more dietary sources of linoleic acid, linolenic acid, and oleic acid along with beneficial biohydrogenation intermediates (cis-9, trans-11-CLA, and trans-11) would escape complete biohydrogenation in the rumen to be absorbed into milk and meat. However, further studies are required to substantiate our claim. Therefore, techniques like transcriptomics should be employed to identify the mRNA transcript expression levels of genes like stearoyl-CoA desaturase, fatty acid synthase, and elongase of very long chain fatty acids 6 in the muscle. Different strains of yeast need to be tested at different doses and viability levels on the fatty acid profile of animal products as well as its vaccenic acid and rumenic acid composition.
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Affiliation(s)
- Abdulmumini B. Amin
- Centre for Ruminant Nutrition and Feed Engineering Research, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, 210095, China
- Department of Animal Science, Federal University Dutse, P.M.B 7156, Dutse, Jigawa State, Nigeria
| | - Shengyong Mao
- Centre for Ruminant Nutrition and Feed Engineering Research, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, 210095, China
- Jilin Inter-Regional Cooperation Centre for the Scientific and Technological Innovation of Ruminant Precision Nutrition and Smart and Ecological Farming, 132109, Jilin, China
- Corresponding author.
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Wang B, Hussain A, Zhou Y, Zeng Z, Wang Q, Zou P, Gong L, Zhao P, Li W. Saccharomyces boulardii attenuates inflammatory response induced by Clostridium perfringens via TLR4/TLR15-MyD8 pathway in HD11 avian macrophages. Poult Sci 2020; 99:5356-5365. [PMID: 33142452 PMCID: PMC7647824 DOI: 10.1016/j.psj.2020.07.045] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2020] [Revised: 06/29/2020] [Accepted: 07/06/2020] [Indexed: 02/08/2023] Open
Abstract
Macrophages are professional phagocytic cells that play a critical role in initiating immune responses by presenting antigen and phagocytic clearance. The macrophages can be targeted for immunomodulation by beneficial microbes, such as probiotics. The aim of this study is to investigate the protective effect of Saccharomyces boulardii against Clostridium perfringens infection in avian macrophage cell line HD11. In this study, HD11 macrophages were prestimulated with S. boulardii for 6 h and then infected with C. perfringens for 3 h. Results showed that S. boulardii enhanced phagocytosis and bactericidal capacity against C. perfringens by HD11 cells. The S. boulardii effectively promoted the mRNA expression of CD80, CD83, and CD197 cell-surface molecules in C. perfringens-infected HD11 cells. Moreover, we found that prestimulation with S. boulardii reduced the mRNA expression of CD40, toll-like receptor [TLR] 4, and TLR15 induced by C. perfringens and thereby downregulated the mRNA expression of myeloid differentiation primary response 88, TNF receptor associated factor 6, nuclear factor kappa-B p65 subunit, and c-Jun N-terminal kinase genes in HD11 cells. The upregulation of cytokines (interleukin [IL]-6, tumor necrosis factor alpha, and IL-10) and inducible nitric oxide synthase mRNA expression in C. perfringens-infected HD11 cells were noticeably inhibited by S. boulardii pretreatment. Conclusively, these results might provide a new insight into the role of S. boulardii in regulating avian immune defense against C. perfringens invasion and immune escape.
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Affiliation(s)
- Baikui Wang
- Key Laboratory of Molecular Animal Nutrition of the Ministry of Education, Key Laboratory of Animal Nutrition and Feed Science (Eastern of China) of the Ministry of Agriculture, Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Institute of Animal Nutrition and Feed Sciences, College of Animal Sciences, Zhejiang University, Hangzhou 310058, China
| | - Altaf Hussain
- Key Laboratory of Molecular Animal Nutrition of the Ministry of Education, Key Laboratory of Animal Nutrition and Feed Science (Eastern of China) of the Ministry of Agriculture, Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Institute of Animal Nutrition and Feed Sciences, College of Animal Sciences, Zhejiang University, Hangzhou 310058, China; Department of Poultry Science, University of Agriculture Faisakabad, Faisalabad 38000, Pakistan
| | - Yuanhao Zhou
- Key Laboratory of Molecular Animal Nutrition of the Ministry of Education, Key Laboratory of Animal Nutrition and Feed Science (Eastern of China) of the Ministry of Agriculture, Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Institute of Animal Nutrition and Feed Sciences, College of Animal Sciences, Zhejiang University, Hangzhou 310058, China
| | - Zihan Zeng
- Key Laboratory of Molecular Animal Nutrition of the Ministry of Education, Key Laboratory of Animal Nutrition and Feed Science (Eastern of China) of the Ministry of Agriculture, Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Institute of Animal Nutrition and Feed Sciences, College of Animal Sciences, Zhejiang University, Hangzhou 310058, China
| | - Qi Wang
- Key Laboratory of Molecular Animal Nutrition of the Ministry of Education, Key Laboratory of Animal Nutrition and Feed Science (Eastern of China) of the Ministry of Agriculture, Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Institute of Animal Nutrition and Feed Sciences, College of Animal Sciences, Zhejiang University, Hangzhou 310058, China
| | - Peng Zou
- Key Laboratory of Molecular Animal Nutrition of the Ministry of Education, Key Laboratory of Animal Nutrition and Feed Science (Eastern of China) of the Ministry of Agriculture, Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Institute of Animal Nutrition and Feed Sciences, College of Animal Sciences, Zhejiang University, Hangzhou 310058, China
| | - Li Gong
- Key Laboratory of Molecular Animal Nutrition of the Ministry of Education, Key Laboratory of Animal Nutrition and Feed Science (Eastern of China) of the Ministry of Agriculture, Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Institute of Animal Nutrition and Feed Sciences, College of Animal Sciences, Zhejiang University, Hangzhou 310058, China; School of Life Science and Engineering, Foshan University, Foshan, Guangdong Province 528225, China
| | - Pengwei Zhao
- Key Laboratory of Molecular Animal Nutrition of the Ministry of Education, Key Laboratory of Animal Nutrition and Feed Science (Eastern of China) of the Ministry of Agriculture, Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Institute of Animal Nutrition and Feed Sciences, College of Animal Sciences, Zhejiang University, Hangzhou 310058, China.
| | - Weifen Li
- Key Laboratory of Molecular Animal Nutrition of the Ministry of Education, Key Laboratory of Animal Nutrition and Feed Science (Eastern of China) of the Ministry of Agriculture, Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Institute of Animal Nutrition and Feed Sciences, College of Animal Sciences, Zhejiang University, Hangzhou 310058, China.
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Nair J, Xu S, Smiley B, Yang HE, McAllister TA, Wang Y. Effects of inoculation of corn silage with Lactobacillus spp. or Saccharomyces cerevisiae alone or in combination on silage fermentation characteristics, nutrient digestibility, and growth performance of growing beef cattle. J Anim Sci 2020; 97:4974-4986. [PMID: 31679029 DOI: 10.1093/jas/skz333] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2019] [Accepted: 10/25/2019] [Indexed: 11/13/2022] Open
Abstract
This study evaluated the effects of a novel silage inoculant containing Saccharomyces cerevisiae strain 3 as a direct fed microbial (DFM) on the ensiling, aerobic stability, and nutrient digestibility of whole-crop corn silage and growth performance of beef cattle. Treatments included uninoculated corn silage (CON) or corn silage inoculated with a mixture of 1.1 × 105 cfu g-1 fresh forage Lactobacillus plantarum and Lactobacillus buchneri (INOC1) or 1.0 × 104 cfu g-1 fresh forage S. cerevisiae strain 3 (INOC2) or a mixture of INOC1 and INOC2 (INOC3). Silage in INOC1 had lower (P = 0.03) proportion of lactate, with acetate (Ac) proportion ranking as INOC1 > INOC3 > INOC2 (P < 0.01). In terminal silage, numbers of lactic acid bacteria were greater (P = 0.05) for INOC1 than CON and INOC2, while yeast counts tended (P = 0.08) to be greater for INOC2 than INOC3 on day 3 of aerobic exposure. Aerobic stability of corn silage was not impacted by inoculation with S. cerevisiae strain 3. Heifers fed INOC2 and INOC3 had lower (P < 0.01) ruminal Ac concentration than those fed CON. Apparent total tract digestibilities of DM, OM, ADF, and NDF were greater (P ≤ 0.03) for heifers fed INOC2 than those fed CON. Growth performance was similar across treatments, excepting DMI as percent of BW tended to be lower (P = 0.08) for INOC2 steers compared to CON steers. These results suggest that S. cerevisiae strain 3 has potential as a component in a fourth generation DFM silage inoculant.
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Affiliation(s)
- Jayakrishnan Nair
- Agriculture and Agri-Food Canada, Lethbridge Research and Development Centre, Lethbridge AB, Canada
| | - Shanwei Xu
- Alberta Agriculture and Forestry, Lethbridge, AB, Canada
| | - Brenda Smiley
- DuPont Pioneer, Forage Additive Research, Johnston, IA
| | - Hee-Eun Yang
- Agriculture and Agri-Food Canada, Lethbridge Research and Development Centre, Lethbridge AB, Canada
| | - Tim A McAllister
- Agriculture and Agri-Food Canada, Lethbridge Research and Development Centre, Lethbridge AB, Canada
| | - Yuxi Wang
- Agriculture and Agri-Food Canada, Lethbridge Research and Development Centre, Lethbridge AB, Canada
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Mi J, Chen X, Liao X. Screening of single or combined administration of 9 probiotics to reduce ammonia emissions from laying hens. Poult Sci 2019; 98:3977-3988. [PMID: 30982063 DOI: 10.3382/ps/pez138] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2018] [Accepted: 03/07/2019] [Indexed: 12/11/2022] Open
Abstract
The effects of single/combined administration of 9 probiotics on ammonia (NH3) emissions during in vitro fermentation of the caecal contents of laying hens were studied. Not all of the probiotics reduced NH3 emissions. Pichia farinose, Bacillus coagulans, Lactobacillus plantarum, Pichia guilliermondii, and Bacillus subtilis reduced NH3 production by approximately 35.1 to 39%. Compared with the control group, the greatest NH3 inhibition was achieved via the combined application of P. guilliermondii, B. subtilis, and L. plantarum at 1:2:1, resulting in a 46% reduction. Effective probiotics use decreased crude protein digestibility, pH, ammonium nitrogen, valerate levels, and urease and uricase activity, but increased urea, purine trione, nitrate nitrogen, total volatile fatty acids, and acetate levels. The relative abundance of the bacteria responsible for fermenting carbohydrates to produce short fatty acids was increased. Under different treatments, the KEGG Orthology (KO) metabolic pathways of NH3 production and utilization were diverse. Hence, the application of probiotics to control NH3 emissions is dependent on the types and combined ratio of the organisms involved.
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Affiliation(s)
- Jiandui Mi
- College of Animal Science, National Engineering Research Center for Breeding Swine Industry, South China Agricultural University, Guangzhou 510642, China.,Ministry of Agriculture Key Laboratory of Tropical Agricultural Environment, South China Agricultural University, Guangzhou 510642, China.,Guangdong Provincial Key Lab of Agro-Animal Genomics and Molecular Breeding and Key Lab of Chicken Genetics, Breeding and Reproduction, Ministry of Agriculture, Guangzhou 510642, China
| | - Xi Chen
- College of Animal Science, National Engineering Research Center for Breeding Swine Industry, South China Agricultural University, Guangzhou 510642, China.,Ministry of Agriculture Key Laboratory of Tropical Agricultural Environment, South China Agricultural University, Guangzhou 510642, China.,Guangdong Provincial Key Lab of Agro-Animal Genomics and Molecular Breeding and Key Lab of Chicken Genetics, Breeding and Reproduction, Ministry of Agriculture, Guangzhou 510642, China
| | - Xindi Liao
- College of Animal Science, National Engineering Research Center for Breeding Swine Industry, South China Agricultural University, Guangzhou 510642, China.,Ministry of Agriculture Key Laboratory of Tropical Agricultural Environment, South China Agricultural University, Guangzhou 510642, China.,Guangdong Provincial Key Lab of Agro-Animal Genomics and Molecular Breeding and Key Lab of Chicken Genetics, Breeding and Reproduction, Ministry of Agriculture, Guangzhou 510642, China
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Cameron A, McAllister TA. Could probiotics be the panacea alternative to the use of antimicrobials in livestock diets? Benef Microbes 2019; 10:773-799. [PMID: 31965849 DOI: 10.3920/bm2019.0059] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Probiotics are most frequently derived from the natural microbiota of healthy animals. These bacteria and their metabolic products are viewed as nutritional tools for promoting animal health and productivity, disease prevention and therapy, and food safety in an era defined by increasingly widespread antimicrobial resistance in bacterial pathogens. In contemporary livestock production, antimicrobial usage is indispensable for animal welfare, and employed to enhance growth and feed efficiency. Given the importance of antimicrobials in both human and veterinary medicine, their effective replacement with direct-fed microbials or probiotics could help reduce antimicrobial use, perhaps restoring or extending the usefulness of these precious drugs against serious infections. Thus, probiotic research in livestock is rapidly evolving, aspiring to produce local and systemic health benefits on par with antimicrobials. Although many studies have clearly demonstrated the potential of probiotics to positively affect animal health and inhibit pathogens, experimental evidence suggests that probiotics' successes are modest, conditional, strain-dependent, and transient. Here, we explore current understanding, trends, and emerging applications of probiotic research and usage in major livestock species, and highlight successes in animal health and performance.
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Affiliation(s)
- A Cameron
- Faculty of Veterinary Medicine, University of Calgary, Calgary, AB, Canada.,Agriculture and Agri-Food Canada, 5403 1st Ave South, Lethbridge, AB T1J 4P4, Canada
| | - T A McAllister
- Agriculture and Agri-Food Canada, 5403 1st Ave South, Lethbridge, AB T1J 4P4, Canada
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36
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Adhikari B, Hernandez-Patlan D, Solis-Cruz B, Kwon YM, Arreguin MA, Latorre JD, Hernandez-Velasco X, Hargis BM, Tellez-Isaias G. Evaluation of the Antimicrobial and Anti-inflammatory Properties of Bacillus-DFM (Norum™) in Broiler Chickens Infected With Salmonella Enteritidis. Front Vet Sci 2019; 6:282. [PMID: 31508436 PMCID: PMC6718558 DOI: 10.3389/fvets.2019.00282] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2019] [Accepted: 08/07/2019] [Indexed: 12/18/2022] Open
Abstract
Restrictions of in-feed antibiotics use in poultry has pushed research toward finding appropriate alternatives such as Direct-Fed Microbials (DFM). In this study, previously tested Bacillus isolates (B. subtilis and B. amyloliquefaciens) were used to evaluate their therapeutic and prophylactic effects against Salmonella enterica serovar Enteritidis (S. Enteritidis) in broiler chickens. For this purpose, initial antibacterial activity of Bacillus-DFM (104 spores/g or 106 spores/g) against S. Enteritidis colonization in crop, proventriculus and intestine was investigated using an in vitro digestive model. Furthermore, to evaluate therapeutic and prophylactic effects of Bacillus-DFM (104 spores/g) against S. Enteritidis colonization, altogether 60 (n = 30/group) and 30 (n = 15/group) 1-day-old broiler chickens were randomly allocated to either DFM or control group (without Bacillus-DFM), respectively. Chickens were orally gavaged with 104 cfu of S. Enteritidis per chicken at 1-day old, and cecal tonsils (CT) and crop were collected 3 and 10 days later during the therapeutic study, whereas they were orally gavaged with 107 cfu of S. Enteritidis per chicken at 6-day-old, and CT and crop were collected 24 h later from two independent trials during the prophylactic study. Serum superoxide dismutase (SOD), FITC-d and intestinal IgA levels were reported for both chicken studies, in addition cecal microbiota analysis was performed during the therapeutic study. DFM significantly reduced S. Enteritidis concentration in the intestine compartment, and in both proventriculus and intestine compartments as compared to the control when used at 104 spores/g and 106 spores/g, respectively (p < 0.05). DFM significantly reduced FITC-d and IgA as well as SOD and IgA levels (p < 0.05) compared to the control in therapeutic and prophylactic studies, respectively. Interestingly, in the therapeutic study, there were significant differences in bacterial community structure and predicted metabolic pathways between DFM and control. Likewise, phylum Actinobacteria and the genera Bifidobacterium, Roseburia, Proteus, and cc_115 were decreased, while the genus Streptococcus was enriched significantly in the DFM group as compared to the control (MetagenomeSeq, p < 0.05). Thus, the overall results suggest that the Bacillus-DFM can reduce S. Enteritidis colonization and improve the intestinal health in chickens through mechanism(s) that might involve the modulation of gut microbiota and their metabolic pathways.
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Affiliation(s)
- Bishnu Adhikari
- Department of Poultry Science, University of Arkansas, Fayetteville, AR, United States
| | - Daniel Hernandez-Patlan
- Unidad de Investigación Multidisciplinaria, Laboratorio 5: LEDEFAR, Facultad de Estudios Superiores (FES) Cuautitlán, Universidad Nacional Autónoma de México (UNAM), Cuautitlán Izcalli, Mexico
| | - Bruno Solis-Cruz
- Unidad de Investigación Multidisciplinaria, Laboratorio 5: LEDEFAR, Facultad de Estudios Superiores (FES) Cuautitlán, Universidad Nacional Autónoma de México (UNAM), Cuautitlán Izcalli, Mexico
| | - Young Min Kwon
- Department of Poultry Science, University of Arkansas, Fayetteville, AR, United States
| | | | - Juan D Latorre
- Department of Poultry Science, University of Arkansas, Fayetteville, AR, United States
| | - Xochitl Hernandez-Velasco
- Departamento de Medicina y Zootecnia de Aves, Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autónoma de México, Mexico City, Mexico
| | - Billy M Hargis
- Department of Poultry Science, University of Arkansas, Fayetteville, AR, United States
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Garcia-Mazcorro JF, Rodriguez-Herrera MV, Marroquin-Cardona AG, Kawas JR. The health enhancer yeast Saccharomyces cerevisiae in two types of commercial products for animal nutrition. Lett Appl Microbiol 2019; 68:472-478. [PMID: 30801772 DOI: 10.1111/lam.13141] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2018] [Revised: 02/12/2019] [Accepted: 02/20/2019] [Indexed: 11/28/2022]
Abstract
The health enhancer yeast Saccharomyces cerevisiae (SC) is widely used in diets for different animals. Two main types of SC-based products are commercially available, one containing live yeasts and one containing SC fermentation by-products, which are supposedly not dependent on live yeasts for their physiological effects in vivo. Culture-based techniques were applied to study yeasts in two types of commercial products: a product containing live SC (LSC) and a SC fermentation product (SCFP). Three temperatures (25, 30 and 39°C) and two pH levels (4 and 7) were tested. The product with LSC contained an average of 1·21 × 109 colony-forming units (CFUs) of yeasts per g contents (min: 1 × 108 , max: 3 × 109 ). In contrast, the SCFP contained an average of 4·67 × 103 (min: 3 × 102 , max: 1·9 × 104 ) CFUs per g contents (c. 1 million times less than the concentration of yeasts in the product with LSC). Both temperature and pH level affected the number of CFUs but this effect differed between the two products. Biochemical tests identified the two yeasts as SC, which differed in their ability to ferment maltose (negative in the SCFP). This report encourages more research on commercial microbial strains for animal nutrition that can lead to a better understanding of their mode of action in vivo. SIGNIFICANCE AND IMPACT OF THE STUDY: Probiotics (or direct fed microbials) are increasingly popular in Animal Nutrition. Different products containing live micro-organisms or microbial-derived products are commercially available to enhance health and boost commercial traits. The characteristics of these products dictate their physiological effects and determine their potential to increase profitability from livestock. For the first time, this report presents data about the numbers and phenotype of the health enhancer Saccharomyces cerevisiae in two widely available commercial products in Animal Nutrition. These findings may be useful for scientists and producers around the globe and have the potential to open up novel venues for research.
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Affiliation(s)
- J F Garcia-Mazcorro
- Research and Development, MNA de México, San Nicolás de los Garza, México.,Faculty of Veterinary Medicine, Universidad Autónoma de Nuevo León, General Escobedo, México
| | | | - A G Marroquin-Cardona
- Department of Physiology, Pharmacology and Toxicology, Faculty of Veterinary Medicine, Universidad Autónoma de Nuevo León, General Escobedo, México
| | - J R Kawas
- Faculty of Agronomy, Universidad Autónoma de Nuevo León, General Escobedo, México
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Blavi L, Jørgensen JN, Stein HH. Effects of Bacillus amyloliquefaciens and Bacillus subtilis on ileal digestibility of AA and total tract digestibility of CP and gross energy in diets fed to growing pigs. J Anim Sci 2019; 97:727-734. [PMID: 30445592 PMCID: PMC6358267 DOI: 10.1093/jas/sky432] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2018] [Accepted: 11/10/2018] [Indexed: 12/17/2022] Open
Abstract
The objective of this experiment was to test the hypothesis that the apparent ileal digestibility (AID) of AA, CP, and GE, the apparent total tract digestibility (ATTD) of CP and GE, and the apparent hindgut digestibility of CP and GE by growing pigs may be improved by supplementing diets with two direct-fed microbials (DFM) containing different Bacillus strains. Twenty-four growing barrows (initial BW: 22.69 ± 1.48 kg) that had a T-cannula installed in the distal ileum were individually housed and randomly allotted to a three diet, three period design with 24 pigs and three 21-d periods. There were eight pigs per diet in each period for a total of 24 observations per diet. Three diets that were based on corn, soybean meal, and distillers dried grains with solubles were formulated. The control diet contained no DFM, but two additional diets contained two different Bacillus strains (Bacillus amyloliquefaciens or Bacillus subtilis). Feed was provided in mash form in two daily meals at 0800 and 1600 hours. The initial 12 d of each period was the adaptation period to the diet. Fecal and urine samples were collected from days 13 to 18, and ileal digesta were collected for 8 h on days 20 and 21. Results indicated that there were no differences among diets in ATTD of CP, but the AID of CP was reduced (P < 0.05) for the B. subtilis diet compared with control and B. amyloliquefaciens diets. Therefore, the apparent hindgut digestibility of CP was greater (P < 0.005) in pigs fed the B. subtilis diet compared with the other diets. The AID of total indispensable, total dispensable, and total AA was greater (P < 0.05) in the B. amyloliquefaciens diet compared with the control diet. There were no differences among diets in ATTD of GE, but the AID of GE was greater for the B. amyloliquefaciens diet than for the control and the B. subtilis diets (P < 0.001). Therefore, the apparent hindgut digestibility of GE was less (P < 0.05) in the B. amyloliquefaciens diet compared with the other diets. The DE (DM basis) for the B. subtilis diet was greater (P < 0.05) compared with the control and the B. amyloliquefaciens diets. In conclusion, supplementation of Bacillus spp. to diets fed to growing pigs may increase the AID of AA and GE, but there appears to be differences among strains of Bacillus spp. in their impact on AA and energy digestibility.
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Affiliation(s)
- Laia Blavi
- Department of Animal Sciences, University of Illinois, Urbana
| | | | - Hans H Stein
- Department of Animal Sciences, University of Illinois, Urbana
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40
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Fomenky BE, Chiquette J, Lessard M, Bissonnette N, Talbot G, Chouinard YP, Ibeagha-Awemu EM. Saccharomyces cerevisiae var. boulardii CNCM I-1079 and Lactobacillus acidophilus BT1386 influence innate immune response and serum levels of acute-phase proteins during weaning in Holstein calves. CANADIAN JOURNAL OF ANIMAL SCIENCE 2018. [DOI: 10.1139/cjas-2017-0120] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
The aims of this study were to investigate the effect of Saccharomyces cerevisiae var. boulardii CNCM I-1079 (SCB) or Lactobacillus acidophilus BT1386 (LA) on (1) innate immune response, (2) markers of acute-phase reaction, and (3) immune gene expression of rumen and ileum tissues of Holstein calves. Forty eight calves (∼5 d old) were randomly allocated to four treatments as follows: (1) control (CTRL) fed milk replacer followed by starter feed, (2) CTRL supplemented with SCB in milk and feed, (3) CTRL supplemented with LA in milk and feed, and (4) CTRL supplemented with antibiotics (ATB; chlortetracycline and neomycin in milk, and chlortetracycline in feed). Tumor necrosis factor α (TNF-α) decreased (P < 0.05) on day 66 (post-weaning) for the ATB-treated calves. There were no treatment effects on production of interferon γ (IFN-γ) and interleukin 6 (IL-6) proteins and on expression of TLR4, TLR6, TLR9, TLR10, CLDN3, MUC1, and MUC20 genes. Calves fed SCB or LA had a greater (P < 0.05) oxidative burst at weaning (day 53) compared with CTRL. Oxidative burst was also greater (P < 0.05) after weaning (day 59 and day 87) for SCB-fed calves. Calves fed SCB and ATB had higher (P < 0.05) phagocytosis activity during weaning (day 47) compared with CTRL. The concentration of serum amyloid A2 (SAA2) increased (P < 0.05) in SCB- and LA-fed calves (day 53), whereas the concentration of C-reactive protein (CRP) increased (P < 0.05) in SCB-fed calves during weaning as compared with CTRL. Our results suggest that SCB could improve innate immune response (oxidative burst and phagocytosis) and markers of acute-phase reaction (CRP and SAA2), especially during critical periods like weaning.
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Affiliation(s)
- Bridget E. Fomenky
- Agriculture and Agri-Food Canada, Sherbrooke Research and Development Centre, Sherbrooke, QC J1M 0C8, Canada
- Département des Sciences Animales, Université Laval, Québec, QC G1V 0A6, Canada
| | - Johanne Chiquette
- Agriculture and Agri-Food Canada, Sherbrooke Research and Development Centre, Sherbrooke, QC J1M 0C8, Canada
| | - Martin Lessard
- Agriculture and Agri-Food Canada, Sherbrooke Research and Development Centre, Sherbrooke, QC J1M 0C8, Canada
| | - Nathalie Bissonnette
- Agriculture and Agri-Food Canada, Sherbrooke Research and Development Centre, Sherbrooke, QC J1M 0C8, Canada
| | - Guylaine Talbot
- Agriculture and Agri-Food Canada, Sherbrooke Research and Development Centre, Sherbrooke, QC J1M 0C8, Canada
| | - Yvan P. Chouinard
- Département des Sciences Animales, Université Laval, Québec, QC G1V 0A6, Canada
| | - Eveline M. Ibeagha-Awemu
- Agriculture and Agri-Food Canada, Sherbrooke Research and Development Centre, Sherbrooke, QC J1M 0C8, Canada
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Seal BS, Drider D, Oakley BB, Brüssow H, Bikard D, Rich JO, Miller S, Devillard E, Kwan J, Bertin G, Reeves S, Swift SM, Raicek M, Gay CG. Microbial-derived products as potential new antimicrobials. Vet Res 2018; 49:66. [PMID: 30060765 PMCID: PMC6066938 DOI: 10.1186/s13567-018-0563-5] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2017] [Accepted: 02/01/2018] [Indexed: 12/24/2022] Open
Abstract
Due to the continuing global concerns involving antibiotic resistance, there is a need for scientific forums to assess advancements in the development of antimicrobials and their alternatives that might reduce development and spread of antibiotic resistance among bacterial pathogens. The objectives of the 2nd International Symposium on Alternatives to Antibiotics were to highlight promising research results and novel technologies that can provide alternatives to antibiotics for use in animal health and production, assess challenges associated with their authorization and commercialization for use, and provide actionable strategies to support their development. The session on microbial-derived products was directed at presenting novel technologies that included exploiting CRISPR-Cas nucleases to produce sequence-specific antimicrobials, probiotics development via fecal microbiome transplants among monogastric production animals such as chickens and mining microbial sources such as bacteria or yeast to identify new antimicrobial compounds. Other research has included continuing development of antimicrobial peptides such as newly discovered bacteriocins as alternatives to antibiotics, use of bacteriophages accompanied by development of unique lytic proteins with specific cell-wall binding domains and novel approaches such as microbial-ecology guided discovery of anti-biofilm compounds discovered in marine environments. The symposium was held at the Headquarters of the World Organisation for Animal Health (OIE) in Paris, France during 12-15 December 2016.
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Affiliation(s)
- Bruce S. Seal
- Biology Program, Oregon State University Cascades, 1500 SW Chandler Avenue, Bend, OR 97702 USA
| | - Djamel Drider
- Institut Charles Viollette, Université Lille 1, 59000 Lille, France
| | - Brian B. Oakley
- College of Veterinary Medicine, Western University of Health Sciences, 309 E Second St, Pomona, CA 91766-1854 USA
| | - Harald Brüssow
- Nestlé Research Centre, Nestec Ltd, Vers-chez-les-Blanc, 1000 Lausanne 26, Switzerland
| | - David Bikard
- Synthetic Biology Group, Microbiology Department, Institut Pasteur, 75015 Paris, France
| | - Joseph O. Rich
- Renewable Product Technology Research Unit, National Center for Agricultural Utilization Research, Agricultural Research Service, U.S. Department of Agriculture, 1815 North University Street, Peoria, IL 61604 USA
| | - Stefan Miller
- Lisando GmbH, Josef-Engert-Straße 13, 93053 Regensburg, Germany
| | - Estelle Devillard
- Nutrition Research Team, Adisseo France S.A.S.-CERN, 6 Route Noire, 03600 Commentry, France
| | - Jason Kwan
- School of Pharmacy, University of Wisconsin, 777 Highland Ave., Madison, WI 53705-2222 USA
| | - Gérard Bertin
- European Probiotic Association & Erawan Consulting SARL, Asnières Affaires, 25 rue des Bas, 92600 Asnières-sur-Seine, France
| | - Stuart Reeves
- Embria Health Sciences, 2105 SE Creekview Dr., Ankeny, IA 50021 USA
| | - Steven M. Swift
- Animal Biosciences and Biotechnology Laboratory, BARC, Agricultural Research Service, USDA, 10300 Baltimore Ave, Beltsville, MD 20705-2350 USA
| | - Margot Raicek
- Intern, World Organisation for Animal Health (OIE), 12 rue de Prony, 75017 Paris, France
| | - Cyril G. Gay
- National Program Staff-Animal Health, Agricultural Research Service, US Department of Agriculture, Beltsville, MD 20705 USA
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Heak C, Sukon P, Sornplang P. Effect of direct-fed microbials on culturable gut microbiotas in broiler chickens: a meta-analysis of controlled trials. ASIAN-AUSTRALASIAN JOURNAL OF ANIMAL SCIENCES 2018; 31:1781-1794. [PMID: 29879823 PMCID: PMC6212764 DOI: 10.5713/ajas.18.0009] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/29/2017] [Accepted: 05/21/2018] [Indexed: 02/07/2023]
Abstract
Objective This meta-analysis was conducted to evaluate the overall effect of direct-fed microbial (DFM) or probiotic supplementation on the log concentrations of culturable gut microbiota in broiler chickens. Methods Relevant studies were collected from PubMed, SCOPUS, Poultry Science Journal, and Google Scholar. The studies included controlled trials using DFM supplementation in broiler chickens and reporting log concentrations of the culturable gut microbiota. The overall effect of DFM supplementation was determined using standardized mean difference (SMD) with a random-effects model. Subgroups were analyzed to identify pre-specified characteristics possibly associated with the heterogeneity of the results. Risk of bias and publication bias were assessed. Results Eighteen taxa of the culturable gut microbiota were identified from 42 studies. The overall effect of DFM supplementation on the log concentrations of all 18 taxa did not differ significantly from the controls (SMD = −0.06, 95% confidence interval [−0.16, 0.04], p = 0.228, I2 = 85%, n = 699 comparisons), but the 18 taxa could be further classified into three categories by the direction of the effect size: taxa whose log concentrations did not differ significantly from the controls (category 1), taxa whose log concentrations increased significantly with DFM supplementation (category 2), and taxa whose log concentrations decreased significantly with DFM supplementation (category 3). Category 1 comprised nine taxa, including total bacterial counts. Category 2 comprised four taxa: Bacillus, Bifidobacterium, Clostridium butyricum, and Lactobacillus. Category 3 comprised five taxa: Clostridium perfringens, coliforms, Escherichia coli, Enterococcus, and Salmonella. Some characteristics identified by the subgroup analysis were associated with result heterogeneity. Most studies, however, were present with unclear risk of bias. Publication bias was also identified. Conclusion DFM supplementation increased the concentrations of some beneficial bacteria (e.g. Bifidobacterium and Lactobacillus) and decreased those of some detrimental bacteria (e.g. Clostridium perfringens and Salmonella) in the guts of broiler chickens.
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Affiliation(s)
- Chhaiden Heak
- Faculty of Veterinary Medicine, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Peerapol Sukon
- Faculty of Veterinary Medicine, Khon Kaen University, Khon Kaen 40002, Thailand.,Research Group for Animal Health Technology, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Pairat Sornplang
- Faculty of Veterinary Medicine, Khon Kaen University, Khon Kaen 40002, Thailand
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Celi P, Cowieson A, Fru-Nji F, Steinert R, Kluenter AM, Verlhac V. Gastrointestinal functionality in animal nutrition and health: New opportunities for sustainable animal production. Anim Feed Sci Technol 2017. [DOI: 10.1016/j.anifeedsci.2017.09.012] [Citation(s) in RCA: 158] [Impact Index Per Article: 22.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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44
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Fomenky BE, Chiquette J, Bissonnette N, Talbot G, Chouinard PY, Ibeagha-Awemu EM. Impact of Saccharomyces cerevisiae boulardii CNCMI-1079 and Lactobacillus acidophilus BT1386 on total lactobacilli population in the gastrointestinal tract and colon histomorphology of Holstein dairy calves. Anim Feed Sci Technol 2017. [DOI: 10.1016/j.anifeedsci.2017.08.019] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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