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Khattab MSA, Hassanein HAM, El-Sherbiny M, Sakr AM, Hadhoud FI, Shreif ESA, Abd El Tawab AM. Lactational performance and nutrients digestibility response of dairy buffaloes fed diets supplemented with probiotic (Streptococcus spp.) and fibrolytic enzymes. J Anim Physiol Anim Nutr (Berl) 2024; 108:291-299. [PMID: 37830380 DOI: 10.1111/jpn.13890] [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: 04/01/2023] [Revised: 09/10/2023] [Accepted: 10/02/2023] [Indexed: 10/14/2023]
Abstract
The current study was conducted to explore the productive performance and health status of lactating buffaloes fed diets supplemented with probiotic and/or fibrolytic enzymes. Forty multiparous lactating Egyptian buffaloes (body weight 451 ± 8.5 kg) were equally assigned to four experimental groups: (1) the first group fed control diet, (2) second experimental group fed control diet plus 4 g of probiotic/kg dry matter (DM) (probiotic), (3) third experimental group fed control diet plus 4 g of fibrolytic enzymes/kg DM (enzymes) and (4) fourth experimental group fed control diet plus 2 g of probiotic + 2 g fibrolytic enzymes/kg DM (Mix), The experiment was extended for 63 days. Nutrients digestibility was estimated, daily milk yield was recorded and milk samples were analyzed for total solids, fat protein, lactose and ash. Blood serum samples were analyzed for glucose, total protein, albumin, urea-N, aspartate transaminase, alanine transaminase and cholesterol concentrations. Results showed that adding probiotic and/or fibrolytic enzymes improved nutrients digestibility (p < 0.05). The probiotic, enzymes and mix groups did not affect (p > 0.05) concentrations of serum total protein, albumin (A), globulin (G), albumin/globulin (A/G) ratio and urea-N concentrations. An improvement in daily milk yield (p < 0.0001) and energy-corrected milk (p = 0.0146) were observed with the probiotic and mix groups compared with the control. In conclusion, this study suggests that supplementing lactating buffaloes' diets with probiotic alone or in combination with fibrolytic enzymes would improve their productive performance without adversely impacting their health.
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Affiliation(s)
| | - Hanan A M Hassanein
- By-Product Utilization Department, Animal Production Research Institute, Agricultural Research Center, Giza, Egypt
| | | | - Abdelaziz M Sakr
- By-Product Utilization Department, Animal Production Research Institute, Agricultural Research Center, Giza, Egypt
| | | | - Ebrahim Sh Abo Shreif
- By-Product Utilization Department, Animal Production Research Institute, Agricultural Research Center, Giza, Egypt
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Lopez A, Sarturi J, Johnson B, Woerner D, Henry D, Ciriaco F, Silva KS, Rush C. Effects of bacterial direct-fed microbial combinations on beef cattle growth performance, feeding behavior, nutrient digestibility, ruminal morphology, and carcass characteristics. J Anim Sci 2024; 102:skae004. [PMID: 38190444 PMCID: PMC10836501 DOI: 10.1093/jas/skae004] [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: 01/06/2024] [Indexed: 01/10/2024] Open
Abstract
The effects of the dietary inclusion of a mixture of bacterial direct-fed microbial (DFM) on feedlot beef cattle growth performance, carcass characteristics, nutrient digestibility, feeding behavior, and ruminal papillae morphology were evaluated. Crossbred-Angus steers (n = 192; initial body weight (BW) = 409 kg ± 8 kg) were blocked by BW and randomly assigned into 48 pens (4 steers/pen and 16 pens/treatment) following a randomized complete block design. A steam-flaked corn-based fishing diet was offered to ad libitum intake once daily for 153 d containing the following treatments: (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 with 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 pen as the experimental unit, the fixed effect of treatment, and the random effect of BW-block, while preplanned contrasts comparing Control × treat-A or treat-B were used. Steers offered treat-A had increased carcass-adjusted average daily gain (P = 0.03) by 6.7%, gain efficiency (P < 0.01) by 6%, tended (P = 0.07) to have increased carcass-adjusted final BW by 15 kg, and hot carcass weight (P = 0.07) by 10 kg, while treat-B did not differ (P ≥ 0.17) from control. Overall dry matter (DM) intake (P = 0.36) and other carcass traits (P ≥ 0.13) were not affected by treatments. Steers offered treat-A tended to have increased digestibility of DM (P = 0.07) by 3%, neutral detergent fiber (P = 0.10), and hemicellulose (P = 0.08) by 9% compared with control, while treat-B did not differ (P ≥ 0.10) from control. No treatment × period interactions (P ≥ 0.21) or main effects of treatment (P ≥ 0.12) were observed during 24-h feeding behavior. Steers ruminated, ate, chewed, and were more active (P ≤ 0.01) during the second behavioral assessment (day 113), while drinking behavior was not affected (P ≥ 0.88). Ruminal papillae morphology and ruminal ammonia concentration (ruminal fluid collected at slaughter facility) were not affected by treatment (P ≥ 0.39). Steers offered the DFM treat-A had improved growth performance and it positively affected carcass weight and nutrient digestion. The DFM combinations did not seem to affect feedlot cattle feeding behavior or ruminal papillae morphology.
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Affiliation(s)
- Alejandra M Lopez
- Department of Animal and Food Sciences, Texas Tech University, Lubbock, TX 79409, USA
| | - Jhones O Sarturi
- Department of Animal and Food Sciences, Texas Tech University, Lubbock, TX 79409, USA
| | - Bradley J Johnson
- Department of Animal and Food Sciences, Texas Tech University, Lubbock, TX 79409, USA
| | - Dale R Woerner
- Department of Animal and Food Sciences, Texas Tech University, Lubbock, TX 79409, USA
| | - Darren D Henry
- Department of Animal and Dairy Science, University of Georgia, Tifton, GA 31793, USA
| | - Francine M Ciriaco
- Department of Animal and Dairy Science, University of Georgia, Tifton, GA 31793, USA
| | - Kaliu G S Silva
- Department of Animal and Food Sciences, Texas Tech University, Lubbock, TX 79409, USA
| | - Camron J Rush
- Department of Animal and Food Sciences, Texas Tech University, Lubbock, TX 79409, USA
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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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Yang J, Chen R, Peng Y, Chai J, Li Y, Deng F. The role of gut archaea in the pig gut microbiome: a mini-review. Front Microbiol 2023; 14:1284603. [PMID: 37876779 PMCID: PMC10593451 DOI: 10.3389/fmicb.2023.1284603] [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: 08/28/2023] [Accepted: 09/22/2023] [Indexed: 10/26/2023] Open
Abstract
The gastrointestinal microbiota of swine harbors an essential but often overlooked component: the gut archaea. These enigmatic microorganisms play pivotal roles in swine growth, health, and yield quality. Recent insights indicate that the diversity of gut archaea is influenced by various factors including breed, age, and diet. Such factors orchestrate the metabolic interactions within the porcine gastrointestinal environment. Through symbiotic relationships with bacteria, these archaea modulate the host's energy metabolism and digestive processes. Contemporary research elucidates a strong association between the abundance of these archaea and economically significant traits in swine. This review elucidates the multifaceted roles of gut archaea in swine and underscores the imperative for strategic interventions to modulate their population and functionality. By exploring the probiotic potential of gut archaea, we envisage novel avenues to enhance swine growth, health, and product excellence. By spotlighting this crucial, yet under-investigated, facet of the swine gut microbiome, we aim to galvanize further scientific exploration into harnessing their myriad benefits.
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Affiliation(s)
- Jianbo Yang
- Guangdong Provincial Key Laboratory of Animal Molecular Design and Precise Breeding, College of Life Science and Engineering, Foshan University, Foshan, China
- School of Life Science and Engineering, Foshan University, Foshan, Guangdong, China
| | - Routing Chen
- Guangdong Provincial Key Laboratory of Animal Molecular Design and Precise Breeding, College of Life Science and Engineering, Foshan University, Foshan, China
- School of Life Science and Engineering, Foshan University, Foshan, Guangdong, China
| | - Yunjuan Peng
- Guangdong Provincial Key Laboratory of Animal Molecular Design and Precise Breeding, College of Life Science and Engineering, Foshan University, Foshan, China
- School of Life Science and Engineering, Foshan University, Foshan, Guangdong, China
| | - Jianmin Chai
- Guangdong Provincial Key Laboratory of Animal Molecular Design and Precise Breeding, College of Life Science and Engineering, Foshan University, Foshan, China
- School of Life Science and Engineering, Foshan University, Foshan, Guangdong, China
- State Key Laboratory of Swine and Poultry Breeding Industry, Guangzhou, China
| | - Ying Li
- Guangdong Provincial Key Laboratory of Animal Molecular Design and Precise Breeding, College of Life Science and Engineering, Foshan University, Foshan, China
- School of Life Science and Engineering, Foshan University, Foshan, Guangdong, China
| | - Feilong Deng
- Guangdong Provincial Key Laboratory of Animal Molecular Design and Precise Breeding, College of Life Science and Engineering, Foshan University, Foshan, China
- School of Life Science and Engineering, Foshan University, Foshan, Guangdong, China
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Gaafar HM, Dell'Anno M, Rossi L, Mohsen MK, Abdel-Raouf ESM, El-Nahrawy MM, Amer AW. Evaluation of Beeswax Supplementation on Productive Performance of Growing Assaf Lambs. Vet Sci 2023; 10:574. [PMID: 37756096 PMCID: PMC10536123 DOI: 10.3390/vetsci10090574] [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: 05/17/2023] [Revised: 09/07/2023] [Accepted: 09/08/2023] [Indexed: 09/28/2023] Open
Abstract
The aim of this work was to assess the effects of beeswax supplementation on growth rate, feed intake, nutrient digestion, rumen fermentation, blood parameters, and economic sustainability in Assaf lambs. Eighteen growing Assaf (5 months old) lambs were separated into three experimental groups (n = 6 lambs/group). The lambs were fed a basal diet without supplementation (G1) or supplemented with 2 and 4 g beeswax/head/day in G2 and G3 groups, respectively. Zootechnical performance was evaluated over a 90 day period. Feed digestibility was assessed in faeces through the acid insoluble-ash method, and rumen liquor was collected to measure ammonia (NH3-N) and total volatile fatty acid (TVFA) levels. Blood samples were obtained for the titration serum metabolites by colorimetric tests. The findings showed that G3 had an improved performance compared to the other groups (p < 0.01). The lambs in G3 revealed the highest nutrient digestibility and feed use, followed by G2, and G1. G3 recorded the highest economic efficiency followed by G2 and G1 (p < 0.01). The TVFA, acetate, and propionate concentrations were higher and the pH values, NH3-N, and butyrate concentrations were lower in G3 compared to G2 and particularly to G1 (p < 0.01). The concentrations of total protein, globulin, and glucose were significantly higher with 4 g beeswax (p < 0.05). However, albumin, cholesterol, total lipids, urea, creatinine, glutamic oxaloacetic transaminase (GOT), and glutamate pyruvate transaminase (GPT) concentrations as well as the albumin to globulin ratio decreased significantly with both levels of beeswax (p < 0.05). The addition of beeswax at the level of 4 g/head/day for growing Assaf lambs significantly improved the growth performance, digestibility, rumen fermentation, and blood serum parameters in addition to the economic efficiency.
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Affiliation(s)
- Hamed Mohamed Gaafar
- Animal Production Research Institute, Agricultural Research Center, Dokki, Giza P.O. Box 33717, Egypt
| | - Matteo Dell'Anno
- Department of Veterinary Medicine and Animal Sciences-DIVAS, University of Milan, Via dell'Università 6, 26900 Lodi, Italy
| | - Luciana Rossi
- Department of Veterinary Medicine and Animal Sciences-DIVAS, University of Milan, Via dell'Università 6, 26900 Lodi, Italy
| | - Mohamed Kamel Mohsen
- Department of Animal Production, Faculty of Agriculture, Kafrelsheikh University, Kafr El-Sheikh P.O. Box 33516, Egypt
| | - El-Sayed Mohamed Abdel-Raouf
- Department of Animal Production, Faculty of Agriculture, Kafrelsheikh University, Kafr El-Sheikh P.O. Box 33516, Egypt
| | | | - Abdeen Wajeeh Amer
- Animal Production Specialist at the National Campaign to Advance Camel Productivity Project, Desert Research Center, Cairo P.O. Box 11756, Egypt
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Wang L, Sun H, Gao H, Xia Y, Zan L, Zhao C. A meta-analysis on the effects of probiotics on the performance of pre-weaning dairy calves. J Anim Sci Biotechnol 2023; 14:3. [PMID: 36597147 PMCID: PMC9811714 DOI: 10.1186/s40104-022-00806-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Accepted: 11/23/2022] [Indexed: 01/05/2023] Open
Abstract
BACKGROUND Probiotics have been used in livestock production for many years, but information on their benefits during the early life of calves is inconsistent. This study aimed to assess the effects of probiotics on the performance of pre-weaning dairy calves and identify the factors influencing their effect sizes. RESULTS Forty-nine studies were selected for meta-analysis based on the inclusion and exclusion criteria. The study qualities were evaluated using a predefined risk assessment tool following GRADE guidelines. Meta-analysis results showed that probiotics increased the growth performance (body weight by 1.988 kg and average daily gain by 40.689 g/d), decreased digestibility and feed efficiency (feed conversion rate by 0.073), altered rumen parameter (decreased acetate by 2.815 mmol/L and increased butyrate by 0.788 mmol/L), altered blood parameter (decreased AST by 4.188 U/L, increased BHBA by 0.029 mmol/L and IgG by 0.698 g/L), increased faecal parameter (faecal bacteria counts by 0.680 log10 CFU/g), based on the strict criteria (PSMD < 0.05, I2 < 50%). Additionally, probiotics increased digestibility and feed efficiency (starter dry matter intake by 0.034 kg/d and total dry matter intake by 0.020 kg/d), altered blood parameter (increased IgA by 0.313 g/L, IgM by 0.262 g/L, and total antioxidant capacity by 0.441 U/mL, decreased MDA by 0.404 nmol/mL), decreased faecal parameter (faecal score by 0.052), based on the loose criteria (PSMD < 0.05, I2 > 50%). Regression and sub-group analyses showed that probiotic strains, supplementation dosage, and methods significantly affected the performance of calves. The probiotics supplied with more than 9.5 log10 CFU/d significantly increased IgA and IgM contents (PSMD < 0.05). Additionally, the compound probiotics significantly increased TDMI, IgA, and IgM (PSMD ≤ 0.001). Furthermore, probiotics supplemented in liquid (whole milk or milk replacer) significantly increased TDMI and decreased faecal score (PSMD < 0.05), while in whole milk, they significantly increased body weight, IgA, and IgM (PSMD < 0.001). CONCLUSIONS Probiotics could improve the growth performance, feed intake and efficiency, rumen fermentation, immune and antioxidant capacity, and health of pre-weaning calves. However, the effect sizes were related to the dosage, composition, and supplementation methods of probiotics.
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Affiliation(s)
- Liyun Wang
- grid.144022.10000 0004 1760 4150College of Animal Science and Technology, Northwest A&F University, No.22 Xinong Road, Yangling, Shaanxi 712100 P. R. China
| | - Honghong Sun
- grid.144022.10000 0004 1760 4150College of Animal Science and Technology, Northwest A&F University, No.22 Xinong Road, Yangling, Shaanxi 712100 P. R. China
| | - Haixu Gao
- grid.144022.10000 0004 1760 4150College of Animal Science and Technology, Northwest A&F University, No.22 Xinong Road, Yangling, Shaanxi 712100 P. R. China
| | - Yaohui Xia
- grid.144022.10000 0004 1760 4150College of Animal Science and Technology, Northwest A&F University, No.22 Xinong Road, Yangling, Shaanxi 712100 P. R. China
| | - Linsen Zan
- grid.144022.10000 0004 1760 4150College of Animal Science and Technology, Northwest A&F University, No.22 Xinong Road, Yangling, Shaanxi 712100 P. R. China
| | - Chunping Zhao
- grid.144022.10000 0004 1760 4150College of Animal Science and Technology, Northwest A&F University, No.22 Xinong Road, Yangling, Shaanxi 712100 P. R. China
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Hamdon HA, Kassab AY, Vargas-Bello-Pérez E, Abdel Hafez GA, Sayed TA, Farghaly MM, Kholif AE. Using probiotics to improve the utilization of chopped dried date palm leaves as a feed in diets of growing Farafra lambs. Front Vet Sci 2022; 9:1048409. [PMID: 36387408 PMCID: PMC9645356 DOI: 10.3389/fvets.2022.1048409] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Accepted: 10/11/2022] [Indexed: 09/03/2023] Open
Abstract
The study determined the ability of three probiotics to improve the nutritional value of date palm leaves in diets of growing lambs. Twenty male Farafra lambs (26 ± 0.33 kg) were randomly allocated to one of four treatments (n = 6) and fed: a control or basal diet (C; 70% concentrate + 30% date palm leaves without additives) and supplemented with Bacillofort containing 2 × 1011 CFU of Bacillus subtilis/g (BAC treatment), Lacotpro containing 1 × 1012 CFU of Lactobacillus acidophilus/g (LAC treatment) or ZAD containing 6 × 108 CFU of R. albus/g (ZAD treatment) at 4 g of all additives for 150 days. As a result of this study, LAC improved (P < 0.05) growth performance and feed efficiency compared to control. Additives increased (P = 0.001) concentrations of albumin, triiodothyronine, and thyroxine, hemoglobin concentration and red blood cells and decreased (P = 0.001) globulin and urea-N. Additives increased hot carcass (P = 0.040) while BAC increased Longissimus dorsi, meat and fat without affecting water holding capacity compared to other treatments. In the metabolism experiment, BAC increased the digestibility of crude protein, while BAC and ZAD increased the digestibility of dry matter, organic matter, and neutral detergent fiber. Additives did not affect nitrogen (N) intake and urinary N; however, decreased fecal N and increased N balance compared to the control. BAC and ZAD increased ruminal volatile fatty acids concentration compared to the control. Based on our results, Lacotpro could be used to improve growth performance and feed efficiency, while Bacillofort could be used to improve meat quality of in lambs.
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Affiliation(s)
- Hatem A. Hamdon
- Department of Animal Production, Faculty of Agriculture, New Valley University, Kharga, Egypt
| | - Ayman Y. Kassab
- Department of Animal Production, Faculty of Agriculture, New Valley University, Kharga, Egypt
| | - Einar Vargas-Bello-Pérez
- Department of Animal Sciences, School of Agriculture, Policy and Development, University of Reading, Reading, United Kingdom
| | - Galal A. Abdel Hafez
- Department of Animal Production, Faculty of Agriculture, Assiut University, Assiut, Egypt
| | - Talaat A. Sayed
- Department of Animal Production, Faculty of Agriculture, New Valley University, Kharga, Egypt
| | - Mohsen M. Farghaly
- Department of Animal Production, Faculty of Agriculture, Assiut University, Assiut, Egypt
| | - Ahmed E. Kholif
- Department of Dairy Science, National Research Centre, Giza, Egypt
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Azzaz HH, Kholif AE, Murad HA, Vargas-Bello-Pérez E. A newly developed strain of Enterococcus faecium isolated from fresh dairy products to be used as a probiotic in lactating Holstein cows. Front Vet Sci 2022; 9:989606. [PMID: 36311649 PMCID: PMC9607892 DOI: 10.3389/fvets.2022.989606] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Accepted: 09/15/2022] [Indexed: 11/13/2022] Open
Abstract
The objective of this study was to determine the ability of an isolated strain (EGY_NRC1) or commercial (NCIMB 11181) Enterococcus faecium as a probiotic for lactating cows. Two experiments were conducted: In Experiment 1, the effects of three levels (1, 2, and 3 g/kg diet, DM basis) of isolated and commercial E. faecium on in vitro ruminal fermentation kinetics, gas, methane (CH4) and nutrient degradability were determined. In Experiment 2, thirty multiparous Holstein cows (633 ± 25.4 kg body weight) with 7 days in milk, were randomly assigned to 3 treatments in a completely randomized design in a 60-day experiment. Cows were fed without any additives (control treatment) or supplemented with 2 g/kg feed daily of E. faecium EGY_NRC1 (contain 1.1 × 109 CFU/g) or commercial E. faecium NCIMB 11181 (contain 2 × 1012 CFU/g). Diets were prepared to meet cow's nutrient requirements according to NRC recommendations. Probiotic doses were based on the in vitro Experiment 1. Feed intake, digestibility, blood parameters and lactation performance were evaluated. In Experiment 1, the isolated E. faecium linearly and quadratically increased (P < 0.001) in vitro total gas production (TGP), the degradability of dry matter (dDM) and organic matter (dOM) while decreased (P < 0.05) methane (CH4) percent of TGP, NH3CH4 production, and pH. The commercial E. faecium increased TGP and decreased (P < 0.01) CH4 production, pH and increased the dDM and dOM, short chain fatty acids and ruminal NH3-N concentration. In Experiment 2, the isolated E. faecium increased (P < 0.01) total tract digestibility of DM, neutral and acid detergent fiber, daily milk production and feed efficiency compared to the control treatment without affecting feed intake and milk composition. Moreover, the isolated E. faecium increased (P < 0.05) the proportion of C18:1 trans-9, C18:2 cis-9-12 and C18:2 trans-10 cis-12. Both isolated and commercial E. faecium improved (P < 0.01) organic matter, crude protein and nonstructural carbohydrates digestibility, increased serum glucose (P = 0.002) and decreased serum cholesterol (P = 0.002). Additionally, both E. faecium strains decreased C23:0 (P = 0.005) in milk. In conclusion, the use of E. faecium (isolated and commercial) at 2 g/kg DM of feed improved feed efficiency and production performance, with superior effects on animal performance from isolated E. faecium compared to the commercial one.
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Affiliation(s)
- Hossam H. Azzaz
- Dairy Science Department, National Research Centre, Giza, Egypt
| | - Ahmed E. Kholif
- Dairy Science Department, National Research Centre, Giza, Egypt,*Correspondence: Ahmed E. Kholif
| | | | - Einar Vargas-Bello-Pérez
- Department of Animal Sciences, School of Agriculture, Policy and Development, University of Reading, Reading, United Kingdom,Einar Vargas-Bello-Pérez
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Influence of direct-fed microbial blend and Ferula elaeochytris on in vitro rumen fermentation pattern and degradability during simulated ruminal acidosis. J Vet Res 2022; 66:411-419. [PMID: 36349133 PMCID: PMC9597934 DOI: 10.2478/jvetres-2022-0052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2022] [Accepted: 09/13/2022] [Indexed: 11/07/2022] Open
Abstract
Introduction The use of probiotics and phytobiotics has attracted interest because of their protective effect against acidosis. Ferula elaeochytris (FE) is considered a good source of bioactive compounds, mainly monoterpene α-pinene. This study aimed to investigate the effect of a direct-fed microbial blend (Pro) and FE on rumen fermentation parameters in vitro under normal and acidosis conditions. Material and Methods An in vitro experiment using the Hohenheimer Futterwerttest (HFT) gas production system was conducted. An acidosis challenge was made to compare the effectiveness of the probiotics blend and FE extract on ruminal pH regulation. To generate different ruminal fermentation parameters, the design of the trial considered the 2 additives (Pro and FE) × 6 incubation times (2, 4, 8, 12, 24 and 48 h) × 2 conditions (acidosis and normal) × 2 incubation runs for each feedstuff (barley, alfalfa and straw). Results An acidosis challenge was successfully induced. The Pro and FE additives had no impact on the observed rumen fermentation parameters such as volatile fatty acid concentration or ammonia (P = 0.001). The acidosis condition decreased total in vitro degradability (IVD) by 3.5% and 21.9% for barley and straw, respectively (P < 0.001). The additives had different significant effects on the IVD of nutrients during both normal and acidosis conditions. In alfalfa samples, FE supplementation significantly decreased the IVD of all observed nutrients under the ruminal acidosis condition, although it had no effect during the normal condition. Conclusion An acidosis challenge was successfully induced and the effect of additives was varied on fermentation parameters and rumen degradability of different feeds either under normal or acidosis conditions.
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Prophylactic Feeding of Clostridium butyricum and Saccharomyces cerevisiae Were Advantageous in Resisting the Adverse Effects of Heat Stress on Rumen Fermentation and Growth Performance in Goats. Animals (Basel) 2022; 12:ani12182455. [PMID: 36139314 PMCID: PMC9494967 DOI: 10.3390/ani12182455] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Revised: 09/10/2022] [Accepted: 09/13/2022] [Indexed: 11/17/2022] Open
Abstract
This study aimed to investigate the effect of the prophylactic feeding of Clostridium butyricum (CB), Saccharomyces cerevisiae (SC), and their mixture before the onset of heat stress on the rumen fermentation and growth performance of goats, and subsequently, on heat stress status. Forty-eight male Macheng Black × Boer crossed goats (22.25 ± 4.26 kg) were divided into four groups—the control group (fed the basal diet), and the CB (0.05% CB added to the basal diet), SC (0.60% SC added to the basal diet), and Mix (0.05% CB and 0.60% SC added to the basal diet) groups—and fed for fourteen days. Then, these goats were kept in a heat stress environment (with a temperature−humidity index of 87.04) for fourteen days. Then, the parameters of rumen fermentation and growth performance were measured. The results showed that the pH values, the activities of cellulolytic enzymes (avicelase, CMCaes, cellobiase, and xylanase), and the concentrations of ammonia-N, total volatile fatty acid, acetic acid, propionic acid, and butyric acid were significantly increased (p < 0.05) in the rumens of the CB, SC, and Mix groups compared to those of the control group. Moreover, the average daily gain and the digestibility of dry matter, neutral detergent fiber, and acid detergent fiber were significantly increased (p < 0.05) in the CB, SC, and Mix groups compared to those of the control group. These results suggest that these two probiotics and their mixture effectively alleviate the adverse effects of heat stress on rumen fermentation and growth performance via prophylactic feeding.
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11
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Nalla K, Manda NK, Dhillon HS, Kanade SR, Rokana N, Hess M, Puniya AK. Impact of Probiotics on Dairy Production Efficiency. Front Microbiol 2022; 13:805963. [PMID: 35756055 PMCID: PMC9218901 DOI: 10.3389/fmicb.2022.805963] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Accepted: 04/07/2022] [Indexed: 12/12/2022] Open
Abstract
There has been growing interest on probiotics to enhance weight gain and disease resistance in young calves and to improve the milk yield in lactating animals by reducing the negative energy balance during the peak lactation period. While it has been well established that probiotics modulate the microbial community composition in the gastrointestinal tract, and a probiotic-mediated homeostasis in the rumen could improve feed conversation competence, volatile fatty acid production and nitrogen flow that enhances the milk composition as well as milk production, detailed changes on the molecular and metabolic level prompted by probiotic feed additives are still not understood. Moreover, as living biotherapeutic agents, probiotics have the potential to directly change the gene expression profile of animals by activating the signalling cascade in the host cells. Various direct and indirect components of probiotic approaches to improve the productivity of dairy animals are discussed in this review.
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Affiliation(s)
- Kirankumar Nalla
- Department of Plant Science, School of Life Sciences, University of Hyderabad, Hyderabad, India
| | - Naresh Kumar Manda
- Department of Biosensors and Nanotechnology, CSIR-Institute of Microbial Technology, Chandigarh, India
| | | | - Santosh R Kanade
- Department of Plant Science, School of Life Sciences, University of Hyderabad, Hyderabad, India
| | - Namita Rokana
- Department of Dairy Microbiology, College of Dairy Science and Technology, Guru Angad Dev Veterinary and Animal Sciences University, Ludhiana, India
| | - Matthias Hess
- Systems Microbiology and Natural Product Discovery Laboratory, Department of Animal Science, University of California, Davis, Davis, CA, United States
| | - Anil Kumar Puniya
- Dairy Microbiology Division, ICAR-National Dairy Research Institute, Karnal, India
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12
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Role of probiotics in ruminant nutrition as natural modulators of health and productivity of animals in tropical countries: an overview. Trop Anim Health Prod 2022; 54:110. [PMID: 35195775 DOI: 10.1007/s11250-022-03112-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Accepted: 02/11/2022] [Indexed: 01/21/2023]
Abstract
Given the ever-growing population in the developing countries located in the tropics of Asia, Africa, South America, and the Caribbean, the demand for products of animal origin has increased. Probiotics have proven to be a substantial substitute for antibiotics used in the animal diet and thus gained popularity. Probiotics are live and non-pathogenic microbes commercially utilized as modulators of gut microflora, hence exerting advantageous effects on the health and productivity of animals in tropical countries. Probiotics are mainly derived from a few bacterial (Lactobacillus, Enterococcus, Streptococcus, Propionibacterium, and Prevotella bryantii) and yeast (Saccharomyces and Aspergillus) species. Numerous studies in tropical animals revealed that probiotic supplementation in a ruminant diet improves the growth of beneficial rumen microbes, thus enhancing nutrient intake and digestibility, milk production, and reproductive and feed efficiency, along with immunomodulation. Furthermore, probiotic applications have proven to minimize adverse environmental consequences, including reduced methane emissions from ruminants' anaerobic fermentation of tropical feedstuffs. However, obtained results were inconsistent due to sources of probiotics, probiotic stability during storage and feeding, dose, feeding frequency, and animal factors including age, health, and nutritional status of the host. Furthermore, the mechanism of action of probiotics by which they exhibit beneficial effects is still not clear. Thus, more definitive research is needed to select the most effective strains of probiotics and their cost-benefit analysis. In this review article, we have briefly explained the impact of feeding probiotics on nutrient intake, digestibility, reproduction, growth efficiency, productivity, and health status of tropical ruminant animals.
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13
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Hall JB, Bloomsburg MR, Goddard SA. Effect of a lactobacillus fermentation product on postweaning heifer performance. Transl Anim Sci 2022; 6:txac015. [PMID: 35274081 PMCID: PMC8903881 DOI: 10.1093/tas/txac015] [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: 11/15/2021] [Indexed: 11/14/2022] Open
Abstract
Abstract
The objective of the experiment was to compare the effect of dietary inclusion of a prebiotic fermentation product of Lactobacillus acidophilus (LaP, RumaCell; 5 mL•animal -1•d -1) or monensin on performance of replacement beef heifers. Heifers received a total mixed ration containing either LaP (n =77) or monensin (MON; Rumensin; 200 mg•animal -1•d -1; n = 79). Heifers were fed for 71 days in a GrowSafe unit so individual feed intake could be measured. Heifers were weighed every two weeks and feed efficiency calculated by residual feed intake (RFI). At the end of the RFI trial, heifers remained on their diets for an additional 27 days and were estrus synchronized using the 14-d CIDR + PG protocol and bred by artificial insemination (AI) followed by natural service. Prior to estrous synchronization reproductive tract scores (RTS; 1 = infantile to 5 = cycling/presence of corpus luteum) were measured. Continuous variables were analyzed using generalized mixed models whereas categorical data were analyzed by logistic regression. Body weights, average daily gain, feed intake and RFI value were similar (P > 0.30) among MON and LaP supplemented heifers. Across treatments heifers gained 0.9 ± 0.1 kg/d while consuming 9.3 ± 0.5 kg of diets daily. Reproductive development as indicated by RTS was similar (P > 0.28) between treatments. However, estrus response increased (P < 0.01) and AI pregnancy rates tended to be greater (P < 0.07) for MON compared to LaP heifers. In contrast, the percentage of heifers pregnant by 60 d and 100 d (80.4% and 90.5%, respectively) were not different (P > 0.33) for MON and LaP heifers. In conclusion, addition of LaP to replacement heifer diets may result in growth and reproductive performance similar to an ionophore, if dietary energy is adequate for normal heifer growth.
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Affiliation(s)
- J B Hall
- Nancy M. Cummings Research, Extension and Education Center, University of Idaho, Carmen, ID, USA
- Department of Animal, Veterinary and Food Science, University of Idaho, Moscow, ID, USA
| | - M R Bloomsburg
- Department of Animal, Veterinary and Food Science, University of Idaho, Moscow, ID, USA
| | - S A Goddard
- Nancy M. Cummings Research, Extension and Education Center, University of Idaho, Carmen, ID, USA
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Amran RA, Alhimaidi AR, Al-Ghadi MQ, Ammari AA, Gaafar ARZ. Carryover effect of direct-fed microbial supplementation and early weaning on the growth performance and carcass characteristics of growing Najdi lambs. OPEN CHEM 2021. [DOI: 10.1515/chem-2021-0116] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Abstract
Growing Najdi lambs were randomly selected from lambs weaned at 30, 45, and 60 days old which were treated with 3 doses of direct-fed microbial (DFM) at 5, 10, and 15 days old to investigate the carryover effect of early weaning and DFM supplementation on their growth performance and carcass characteristics. Ten lambs from each group were transferred to individual pens for a feeding trial using the total mixed ration (Wafi). Lambs treated with DFM and weaned at 60 days old showed numerically higher body weight and average daily gains compared to other groups. Concerning the carcass and meat quality, there were significant differences between all groups in all carcass and tissue measurements, except for the back-fat and body wall thickness. In conclusion, treatment did not have any significant negative effect on body weight, feed intake, and conversion ratio compared with the control, but positively affected Zn and Cu absorption. DFM also played an important role in fat metabolism, which affects fat deposits in carcasses. The most important finding was that early weaning can be performed using DFM supplementation without any negative effect on the lambs’ performance during growth.
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Affiliation(s)
- Ramzi A. Amran
- Department of Zoology, College of Science, King Saud University , Riyadh 11451 , Saudi Arabia
| | - Ahmad R. Alhimaidi
- Department of Zoology, College of Science, King Saud University , Riyadh 11451 , Saudi Arabia
| | - Muath Q. Al-Ghadi
- Department of Zoology, College of Science, King Saud University , Riyadh 11451 , Saudi Arabia
| | - Aiman A. Ammari
- Department of Zoology, College of Science, King Saud University , Riyadh 11451 , Saudi Arabia
| | - Abdel-Rhman Z. Gaafar
- Department of Zoology, College of Science, King Saud University , Riyadh 11451 , Saudi Arabia
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15
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Ngo TT, Bang NN, Dart P, Callaghan M, Klieve A, McNeill D. Pellets Inoculated with Bacillus amyloliquefaciens H57 Modulates Diet Preference and Rumen Factors Associated with Appetite Regulation in Steers. Animals (Basel) 2021; 11:ani11123455. [PMID: 34944232 PMCID: PMC8697938 DOI: 10.3390/ani11123455] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2021] [Revised: 11/24/2021] [Accepted: 12/03/2021] [Indexed: 11/16/2022] Open
Abstract
Simple Summary The probiotic Bacillus amyloliquefaciens strain H57 (H57) may reinforce preferential feeding behaviour by changing ruminal fermentation parameters. Four rumen-fistulated steers were offered feedlot pellets, with (H57) or without (Control, C) the H57 probiotic. Half of the pellets were added to the rumen, at time zero, and half were offered for oral consumption over the next six hours, to make four feeding treatments. Each steer was offered each treatment over time. Each offering was over six days, with rumen fluid sampled over the last three days for a six-hour period per day. A five-minute preference test was performed at the end of each rumen sampling period by simultaneously offering the steers 4 kg of H57 and C pellets. The steers preferred the H57 over the C pellets but the route of offering (rumen versus oral) had no effect on preference. Ruminal pH and molar proportions of iso-butyrate and iso-valerate were higher and ammonia concentrations tended to be greater for H57 compared to C. However, since the route of offering had no effect on preference, the hypothesis, that ruminal fermentation changes take precedence over oral (taste) sensations in driving preference, was not supported. Abstract This study examined whether the probiotic Bacillus amyloliquefaciens strain H57 (H57) affects ruminal fermentation parameters that exercise post-ingestive feedback appetite control mechanisms. A 4 × 4 Latin square design was used to separate pre- and post-ingestive effects of H57 in four rumen-fistulated steers. The steers were offered a set amount of feedlot pellets, inoculated with H57 or without H57 (control, C). Half of the total amount of pellets fed were introduced intra-ruminally (r), and then the remaining pellets were orally consumed (o) to make four feeding treatments: H57r/H57o, H57r/Co, Cr/H57o and Cr/Co. Rumen fluid was sampled at 2, 4 and 6 h after feeding. Preference behaviour was tested immediately after the 6 h rumen fluid sampling by simultaneously offering the steers 4 kg of each of H57 and C pellets in adjacent troughs for 5 min. Steers preferred the pellets with added H57 over the C pellets (56:44; p < 0.001) and their preferences were not affected by the treatment protocol imposed to separate post- from pre-ingestive effects (p > 0.05). Steers fed H57 pellets had higher ruminal pH, molar proportions of iso-butyrate and iso-valerate (p < 0.05) and tended to have greater ruminal ammonia concentrations compared to those fed C pellets (p < 0.1). However, post-ingestive signals did not affect diet preference more than pre-ingestive signals.
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Affiliation(s)
- Thi Thuy Ngo
- School of Veterinary Science, The University of Queensland, Gatton, QLD 4343, Australia; (N.N.B.); (D.M.)
- Faculty of Animal Science, Vietnam National University of Agriculture, Hanoi 131000, Vietnam
- Correspondence:
| | - Nguyen N. Bang
- School of Veterinary Science, The University of Queensland, Gatton, QLD 4343, Australia; (N.N.B.); (D.M.)
- Faculty of Animal Science, Vietnam National University of Agriculture, Hanoi 131000, Vietnam
| | - Peter Dart
- School of Agriculture and Food Sciences, The University of Queensland, Gatton, QLD 4343, Australia;
| | | | - Athol Klieve
- Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, St Lucia, QLD 4069, Australia;
| | - David McNeill
- School of Veterinary Science, The University of Queensland, Gatton, QLD 4343, Australia; (N.N.B.); (D.M.)
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Miranda MH, Aristimuño Ficoseco C, Nader-Macías MEF. Safety, environmental and technological characterization of beneficial autochthonous lactic bacteria, and their vaginal administration to pregnant cows for the design of homologous multi-strain probiotic formulas. Braz J Microbiol 2021; 52:2455-2473. [PMID: 34505225 PMCID: PMC8578494 DOI: 10.1007/s42770-021-00608-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2021] [Accepted: 09/01/2021] [Indexed: 11/29/2022] Open
Abstract
In recent years, veterinary probiotic formulations constitute an interesting alternative to the use of antibiotics in animals for human consumption, but beneficial microorganisms must meet certain requirements to be included in these products. The objective of this work was to evaluate the safety and innocuity of beneficial autochthonous lactic bacteria (BALB) as well as to determine their beneficial, environmental, and technological characterization. Antibiotic resistance was assayed using phenotypic and genotypic methodology. A bovine vaginal fluid simulated medium (MSBVF) was designed where growth, pH changes, and expression of beneficial characteristics of lactic bacteria were evaluated; additionally, the optimal culture conditions in commercial media were determined in order to obtain the highest biomass production of the strains. Finally, the best strains were lyophilized and administered intravaginally to pregnant cows and their permanence in the vagina and adverse effects were evaluated. The results show that most of the strains were resistant to vancomycin, tetracycline, and streptomycin, with a high sensitivity to ampicillin, gentamicin, and clindamycin. The strains evaluated did not show gelatinase or hyaluronidase activity; however, 11 strains produced α-type hemolysis. The optimal growth of the microorganism was obtained in MRS broth, under slight agitation and without pH control. The strains grown in the MSBVF grew well and maintained the probiotic properties. Animals treated with probiotics bacteria did not show systemic or local inflammation. These strains can be included in a probiotic veterinary product to be applied to different bovine mucosa.
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Affiliation(s)
- María Hortencia Miranda
- Centro de Referencia Para Lactobacilos, Consejo Nacional de Investigaciones Científicas y Técnicas, Chacabuco 145, 4000, San Miguel de Tucumán, Argentina
| | - Cecilia Aristimuño Ficoseco
- Centro de Referencia Para Lactobacilos, Consejo Nacional de Investigaciones Científicas y Técnicas, Chacabuco 145, 4000, San Miguel de Tucumán, Argentina
| | - María Elena Fátima Nader-Macías
- Centro de Referencia Para Lactobacilos, Consejo Nacional de Investigaciones Científicas y Técnicas, Chacabuco 145, 4000, San Miguel de Tucumán, Argentina.
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17
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Han G, Gao X, Duan J, Zhang H, Zheng Y, He J, Huo N, Pei C, Li H, Gu S. Effects of yeasts on rumen bacterial flora, abnormal metabolites, and blood gas in sheep with induced subacute ruminal acidosis. Anim Feed Sci Technol 2021. [DOI: 10.1016/j.anifeedsci.2021.115042] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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18
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Barreto MO, Soust M, Moore RJ, Olchowy TWJ, Alawneh JI. Systematic review and meta-analysis of probiotic use on inflammatory biomarkers and disease prevention in cattle. Prev Vet Med 2021; 194:105433. [PMID: 34298303 DOI: 10.1016/j.prevetmed.2021.105433] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2020] [Revised: 07/08/2021] [Accepted: 07/11/2021] [Indexed: 10/20/2022]
Abstract
The aim of this study was to appraise the available evidence on the effectiveness of probiotic treatment on mature cattle immunity, inflammation, and disease prevention. A systematic review with meta-analysis was conducted to analyse studies that were eligible to answer the following research question: "in cattle of at least 6-months of age, is the use of probiotics associated with immunomodulatory and inflammatory responses, and clinical disease outcomes?" Our literature search yielded 25 studies that fit the inclusion criteria. From these studies, only 19 were suitable for inclusion in the meta-analysis due to data limitations and differences in study population characteristics. Included studies were assessed for bias using a risk assessment tool adapted from the Cochrane Collaboration's tool for assessing risk of bias in randomised trials. GRADE guidelines were used to assess the quality of the body of evidence at the outcome level. The meta-analysis was performed using Review Manager and R. The overall quality of evidence at the outcome level was assessed as being very low. On average, the treatment effect on immunoglobulin G (IgG), serum amyloid A (SAA), haptoglobin (Hp) and β-hydroxybutyrate (BoHB) for cows receiving probiotics did not differ from control cows. Exposure to probiotics was not associated with reduced risk of reproductive disorders (pooled RR = 1.02 95 % CI = 0.81-1.27, P = 0.88). There is insufficient evidence to support any significant positive effects of probiotics on cattle immunity and disease prevention. This lack of consistent evidence could be due to dissimilarities in the design of the included studies such as differences in dosage, dose schedule, diet composition and/or physiological state of the host at the time of treatment.
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Affiliation(s)
- Michelle O Barreto
- The University of Queensland, School of Veterinary Science, Gatton, Queensland, 4343, Australia; The University of Queensland, Good Clinical Practice Research Group (GCPRG), Gatton, Queensland, 4343, Australia
| | - Martin Soust
- Terragen Biotech Pty Ltd., Coolum Beach, Queensland, 4573, Australia
| | - Robert J Moore
- School of Science, RMIT University, Bundoora, Melbourne, Victoria, 3083, Australia
| | - Timothy W J Olchowy
- The University of Queensland, Good Clinical Practice Research Group (GCPRG), Gatton, Queensland, 4343, Australia; Faculty of Veterinary Medicine, University of Calgary, Calgary, Alberta, T3R 1J3, Canada
| | - John I Alawneh
- The University of Queensland, School of Veterinary Science, Gatton, Queensland, 4343, Australia; The University of Queensland, Good Clinical Practice Research Group (GCPRG), Gatton, Queensland, 4343, Australia; Murdoch University, School of Veterinary Medicine, Perth, Western Australia, 6150, Australia.
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Selected Alternative Feed Additives Used to Manipulate the Rumen Microbiome. Animals (Basel) 2021; 11:ani11061542. [PMID: 34070442 PMCID: PMC8228006 DOI: 10.3390/ani11061542] [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: 05/03/2021] [Revised: 05/20/2021] [Accepted: 05/21/2021] [Indexed: 12/23/2022] Open
Abstract
Simple Summary The continuous intensification of ruminant production drives towards the expansion of feed components and additives that are utilizes for the coverage of animal’s demand for nutrients. Additionally, in recent years, studies are focused on the investigation of how feed additives affect the microbiome of the digestive system in order to obtain improved performance and/or reduce methane emissions by ruminants. The use of additives such as algae, probiotics, fermented feed or essential oils can serve as an alternative to antibiotics or other synthetic compounds that may pose a danger to the environment. Abstract In recent years, a boost in the ruminant population has been observed, and consequently, an increase in the animals’ demand for nutrients and methane emissions. Methane emission is generated during the microbial fermentation of feed in the rumen, and a percentage even up to 12% of the energy obtained by this process can be wasted. In addition, the use of antibiotics in animal husbandry is being increasingly restricted. restricted. As a result, there is a continuous search for innovative feed additives that can serve as alternatives to antibiotics, and will also be safe for both people and the environment. In the present review article, additives were selected on basis that, according to studies conducted so far, may positively affect the microbiome of the digestive system by improving indicators and/or reducing methane production. Among them, probiotics, prebiotics or their combination—synbiotics are at the forefront of research. However, additives in the form of algae or plant origin are also gaining ground in popularity, such as essential oils, fermented wheat straw or Gelidium amansii, due to their general recognition as safe (GRAS) for both humans and environment.
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Goetz B, Lefler J, Abeyta M, Horst E, Mayorga E, Al-Qaisi M, Rodriguez-Jimenez S, Martino C, Izzo A, La R, Green H, Moore C, Embree M, Baumgard L. Effects of dietary microbial feed supplement on production efficacy in lactating dairy cows. JDS COMMUNICATIONS 2021; 2:118-122. [PMID: 36339501 PMCID: PMC9623639 DOI: 10.3168/jdsc.2020-0002] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Accepted: 12/10/2020] [Indexed: 06/16/2023]
Abstract
This study evaluated the effects of a microbial feed supplement (MFS; Galaxis, Ascus Biosciences Inc.) comprising 2 native rumen microbes on performance parameters in mid-lactation dairy cows. Forty-six lactating primiparous and multiparous Holstein cows [629 ± 62 kg of body weight, mean ± standard deviation (SD); parity 1.64 ± 0.49; 119 ± 38 days in milk; 45.11 ± 3.81 and 52.73 ± 4.77 kg/d of milk yield for primiparous and multiparous, respectively] were enrolled in a study containing 3 experimental periods (P). During all periods, enrolled cows were fed the same base total mixed ration (TMR) ad libitum once daily. During P1 (7 d), baseline data were obtained for covariate analysis. At the beginning of P2 (60 d), cows were assigned to 1 of 2 dietary treatment groups in a randomized complete block design to balance for milk yield (MY), parity, and days in milk: (1) a control diet (CON; base TMR; n = 23), or (2) a control diet supplemented with 5 g/d of MFS (MFS; n = 23). Sample size was determined based on previous, unpublished results involving this MFS; a 3-kg difference between groups with a SD of 3.5 kg could be detected with sufficient power (0.81) using a total sample size of 46 cows. Treatment was top-dressed and hand-mixed into the top one-third of the TMR. During P3 (7 d), no treatment was administered, and all cows were fed the base TMR. When analyzing all cows in the data set, MFS had little to no effect on performance. However, modeling revealed that the fixed effect of covariate milk production level had a significant effect on the response of MY and ECM, and further investigation of the data revealed that treatment effectiveness in P2 correlated with milk production during P1. Cows were retrospectively categorized into 2 milk production groups (MPG) balanced for parity: MPG1 (i.e., <53 kg/d of ECM during P1; n = 34) or MPG2 (i.e., ≥53 kg/d of ECM during P1; n = 12). Energy-corrected milk was increased by 4.4% in MFS-administered MPG1 cows compared with CON cows during P2. Although there were no significant effects of MFS on production variables for MPG2 cows, MY tended to be decreased by 3.9% in MFS-administered cows compared with CON cows. Further investigation is needed to understand production level response differences and the effect of supplemented native rumen microbes on animal health and productivity.
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Affiliation(s)
- B.M. Goetz
- Department of Animal Science, Iowa State University, Ames 50011
| | - J. Lefler
- Ascus Biosciences Inc., San Diego, CA 92121
| | - M.A. Abeyta
- Department of Animal Science, Iowa State University, Ames 50011
| | - E.A. Horst
- Department of Animal Science, Iowa State University, Ames 50011
| | - E.J. Mayorga
- Department of Animal Science, Iowa State University, Ames 50011
| | - M. Al-Qaisi
- Department of Animal Science, Iowa State University, Ames 50011
| | | | - C. Martino
- Ascus Biosciences Inc., San Diego, CA 92121
| | - A. Izzo
- Ascus Biosciences Inc., San Diego, CA 92121
| | - R. La
- Ascus Biosciences Inc., San Diego, CA 92121
| | - H.B. Green
- Ascus Biosciences Inc., San Diego, CA 92121
| | - C.E. Moore
- Ascus Biosciences Inc., San Diego, CA 92121
| | - M. Embree
- Ascus Biosciences Inc., San Diego, CA 92121
| | - L.H. Baumgard
- Department of Animal Science, Iowa State University, Ames 50011
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21
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Enhancing the Utilization of Palm Leaf Hay Using Bacillus subtilis and Phanerochaete chrysosporium in the Diet of Lambs Under Desert Conditions. ANNALS OF ANIMAL SCIENCE 2020. [DOI: 10.2478/aoas-2020-0052] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Abstract
The efficiency of the bacterium Bacillus subtilis and white-rot fungus Phanerochaete chrysosporium on growth performance, blood metabolites, carcass characteristics, meat composition and nutrient digestibility of lambs fed crushed whole palm leaf hay was investigated for 105 d. In Experiment 1 (Growth experiment), twenty-four lambs (29.5 ± 1.25 kg) were divided into four feed-based treatments: (1) concentrate and wheat straw ad libitum (control), (2) palm leaf hay (DPL), (3) palm leaf hay supplemented with 2 g of B. subtilis and P. chrysosporium (DPL2) or (4) palm leaf hay supplemented with 4 g of B. subtilis and P. chrysosporium (DPL4). In Experiment 2 (Digestibility experiment), twelve rams, three from each treatment, were used to study nutrient digestibility using the faecal bag technique. Results of the Experiment 1 showed that the DPL4 showed greater (P=0.049) live-weight gain than the control. The diets containing palm leaf hay showed lower (P=0.001) roughage and total feed intake and higher (P=0.001) feed efficiency than the control. Increased serum total protein, globulin, urea-N, aspartate aminotransferase and alanine aminotransferase (ALT) levels were observed with the DPL4 (P˂0.05). Additionally, diets containing palm leaf hay showed higher ALT levels than the control. The DPL4 increased the hot carcass weight (P=0.006) and dressing percentage (P=0.036), and the diets supplemented with B. subtilis and P. chrysosporium decreased (P˂0.05) the tail fat and all fat levels compared with the DPL treatment. Results of the Experiment 2 showed that nutrient digestibility was lower (P˂0.05) with the DPL and DPL2 than with the control and DPL4. Compared with the control, nutrient digestibility of DPL4 was not affected. It is concluded that replacement of wheat straw with palm leaf hay did not affect the feed utilization or animal performance of the lambs; however, supplementation with B. subtilis and P. chrysosporium at 4 g/lamb daily enhanced the growth performance, and carcass characteristics without any adverse effects on blood metabolites.
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Toxin Degradation by Rumen Microorganisms: A Review. Toxins (Basel) 2020; 12:toxins12100664. [PMID: 33092236 PMCID: PMC7590051 DOI: 10.3390/toxins12100664] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Revised: 10/07/2020] [Accepted: 10/13/2020] [Indexed: 12/21/2022] Open
Abstract
Animal feeds may contain exogenous compounds that can induce toxicity when ruminants ingest them. These toxins are secondary metabolites originating from various sources including plants, bacteria, algae and fungi. Animal feed toxins are responsible for various animal poisonings which negatively impact the livestock industry. Poisoning is more frequently reported in newly exposed, naïve ruminants while ‘experienced’ ruminants are observed to better tolerate toxin-contaminated feed. Ruminants can possess detoxification ability through rumen microorganisms with the rumen microbiome able to adapt to utilise toxic secondary metabolites. The ability of rumen microorganisms to metabolise these toxins has been used as a basis for the development of preventative probiotics to confer resistance against the poisoning to naïve ruminants. In this review, detoxification of various toxins, which include plant toxins, cyanobacteria toxins and plant-associated fungal mycotoxins, by rumen microorganisms is discussed. The review will include clinical studies of the animal poisoning caused by these toxins, the toxin mechanism of action, toxin degradation by rumen microorganisms, reported and hypothesised detoxification mechanisms and identified toxin metabolites with their toxicity compared to their parent toxin. This review highlights the commercial potential of rumen inoculum derived probiotics as viable means of improving ruminant health and production.
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Aristimuño Ficoseco C, Mansilla FI, Maldonado NC, Miranda H, Fátima Nader-Macias ME, Vignolo GM. Safety and Growth Optimization of Lactic Acid Bacteria Isolated From Feedlot Cattle for Probiotic Formula Design. Front Microbiol 2018; 9:2220. [PMID: 30323790 PMCID: PMC6172481 DOI: 10.3389/fmicb.2018.02220] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2018] [Accepted: 08/30/2018] [Indexed: 01/08/2023] Open
Abstract
In order to eliminate the widespread use of antibiotics in livestock production, the research for alternatives has increased lately. This study examined the safety of 40 lactic acid bacteria (LAB) isolated from bovine feedlot environment and previously selected as potential probiotics. A high sensitivity prevalence to ampicillin (AMP, 100%), gentamicin (GEN, 96.3%), kanamycin (KAN, 96.3%), clindamycin (CLI, 85.2%), chloramphenicol (CHL, 92.6%) and streptomycin (STR, 88.9%) while moderate and high resistance against erythromycin (ERY, 48%) and tetracycline (TET, 79%) respectively, were determined. Feedlot enterococci and pediococci displayed high resistance to CLI, ERY, GEN and TET (73, 100, 54.5, and 73%, respectively). Among fifteen resistance genes investigated, seven were identified in lactobacilli; their presence not always was correlated with phenotypic resistance. STR resistance genes, aadA and ant(6) were observed in 7.4 and 3.7% of isolates, respectively; genes responsible for aminoglycosides resistance, such as bla (7.4%), and aph(3”)-III (3.7%) were also recognized. In addition, resistance cat and tetS genes (3.7 and 7.4%, respectively) were harbored by feedlot lactobacilli strains. The presence of ermB gene in 22.3% of isolates, including two of the six strains phenotypically resistant to ERY, exhibited the highest prevalence among the assessed antibiotics. None of the feedlot lactobacilli harbored virulence factors genes, while positive PCR amplification for ace, agg, fsrA, and atpA genes was found for enterococci. With the objective of producing large cell biomass for probiotic delivery, growth media without peptone but containing glucose and skim milk powder (Mgl and Mlac) were selected as optimal. Lactobacillus acidophilus CRL2074, L. amylovorus CRL2115, L. mucosae CRL2069, and L. rhamnosus CRL2084 were strains selected as free of antibiotic resistance and virulence determinants, able to reach high cell numbers in non-expensive culture media and being compatible among them.
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Affiliation(s)
- Cecilia Aristimuño Ficoseco
- Centro de Referencia para Lactobacilos, Consejo Nacional de Investigaciones Científicas y Técnicas, San Miguel de Tucuman, Argentina
| | - Flavia I Mansilla
- Centro de Referencia para Lactobacilos, Consejo Nacional de Investigaciones Científicas y Técnicas, San Miguel de Tucuman, Argentina
| | - Natalia C Maldonado
- Centro de Referencia para Lactobacilos, Consejo Nacional de Investigaciones Científicas y Técnicas, San Miguel de Tucuman, Argentina
| | - Hortencia Miranda
- Centro de Referencia para Lactobacilos, Consejo Nacional de Investigaciones Científicas y Técnicas, San Miguel de Tucuman, Argentina
| | - María E Fátima Nader-Macias
- Centro de Referencia para Lactobacilos, Consejo Nacional de Investigaciones Científicas y Técnicas, San Miguel de Tucuman, Argentina
| | - Graciela M Vignolo
- Centro de Referencia para Lactobacilos, Consejo Nacional de Investigaciones Científicas y Técnicas, San Miguel de Tucuman, Argentina
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Sharma C, Rokana N, Chandra M, Singh BP, Gulhane RD, Gill JPS, Ray P, Puniya AK, Panwar H. Antimicrobial Resistance: Its Surveillance, Impact, and Alternative Management Strategies in Dairy Animals. Front Vet Sci 2018; 4:237. [PMID: 29359135 PMCID: PMC5766636 DOI: 10.3389/fvets.2017.00237] [Citation(s) in RCA: 131] [Impact Index Per Article: 21.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2017] [Accepted: 12/15/2017] [Indexed: 01/10/2023] Open
Abstract
Antimicrobial resistance (AMR), one among the most common priority areas identified by both national and international agencies, is mushrooming as a silent pandemic. The advancement in public health care through introduction of antibiotics against infectious agents is now being threatened by global development of multidrug-resistant strains. These strains are product of both continuous evolution and un-checked antimicrobial usage (AMU). Though antibiotic application in livestock has largely contributed toward health and productivity, it has also played significant role in evolution of resistant strains. Although, a significant emphasis has been given to AMR in humans, trends in animals, on other hand, are not much emphasized. Dairy farming involves surplus use of antibiotics as prophylactic and growth promoting agents. This non-therapeutic application of antibiotics, their dosage, and withdrawal period needs to be re-evaluated and rationally defined. A dairy animal also poses a serious risk of transmission of resistant strains to humans and environment. Outlining the scope of the problem is necessary for formulating and monitoring an active response to AMR. Effective and commendably connected surveillance programs at multidisciplinary level can contribute to better understand and minimize the emergence of resistance. Besides, it requires a renewed emphasis on investments into research for finding alternate, safe, cost effective, and innovative strategies, parallel to discovery of new antibiotics. Nevertheless, numerous direct or indirect novel approaches based on host-microbial interaction and molecular mechanisms of pathogens are also being developed and corroborated by researchers to combat the threat of resistance. This review places a concerted effort to club the current outline of AMU and AMR in dairy animals; ongoing global surveillance and monitoring programs; its impact at animal human interface; and strategies for combating resistance with an extensive overview on possible alternates to current day antibiotics that could be implemented in livestock sector.
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Affiliation(s)
- Chetan Sharma
- Department of Dairy Microbiology, College of Dairy Science and Technology, Guru Angad Dev Veterinary and Animal Sciences University (GADVASU), Ludhiana, India
| | - Namita Rokana
- Department of Dairy Microbiology, College of Dairy Science and Technology, Guru Angad Dev Veterinary and Animal Sciences University (GADVASU), Ludhiana, India
| | - Mudit Chandra
- Department of Veterinary Microbiology, College of Veterinary Science, Guru Angad Dev Veterinary and Animal Sciences University (GADVASU), Ludhiana, India
| | - Brij Pal Singh
- Department of Dairy Microbiology, College of Dairy Science and Technology, Guru Angad Dev Veterinary and Animal Sciences University (GADVASU), Ludhiana, India
| | - Rohini Devidas Gulhane
- Department of Dairy Microbiology, College of Dairy Science and Technology, Guru Angad Dev Veterinary and Animal Sciences University (GADVASU), Ludhiana, India
| | - Jatinder Paul Singh Gill
- School of Public Health and Zoonoses, Guru Angad Dev Veterinary and Animal Sciences University (GADVASU), Ludhiana, India
| | - Pallab Ray
- Department of Medical Microbiology, Post Graduate Institute for Medical Education and Research (PGIMER), Chandigarh, India
| | - Anil Kumar Puniya
- Department of Dairy Microbiology, College of Dairy Science and Technology, Guru Angad Dev Veterinary and Animal Sciences University (GADVASU), Ludhiana, India
| | - Harsh Panwar
- Department of Dairy Microbiology, College of Dairy Science and Technology, Guru Angad Dev Veterinary and Animal Sciences University (GADVASU), Ludhiana, India
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