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Kholif AE, Rahman MA, Abo El-Nor SAH, Morsy TA, Gouda GA, Fahmy M, Chahine M. Efficacy of Salvia officinalis Shrub as a Sustainable Feed Additive for Reducing Ruminal Methane Production and Enhancing Fermentation in Ruminants. Animals (Basel) 2024; 14:1648. [PMID: 38891692 PMCID: PMC11171110 DOI: 10.3390/ani14111648] [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: 04/20/2024] [Revised: 05/24/2024] [Accepted: 05/29/2024] [Indexed: 06/21/2024] Open
Abstract
The objective of this study was to evaluate the effects of the inclusion of dried Salvia officinalis (SO) shrub leaves on nutrient degradability, ruminal in vitro fermentation, gas production (GP), methane (CH4), and carbon dioxide (CO2) productions. Dried and ground SO shrub leaves were included at 0% (control), 0.5%, 1%, 1.5%, and 2% DM of a diet consisting of (per kg DM) 500 g concentrate feed mixture, 400 g berseem hay, and 100 g rice straw. The diet was incubated for 48 h. The asymptotic GP and the rate of GP changed linearly and quadratically (p < 0.01), with the highest GP observed at 1% inclusion of SO and then decreasing thereafter with greater inclusion (i.e., 1.5% and 2%), while CH4 production and its rate decreased linearly (p < 0.01) with all levels of SO inclusion. A linear increase in CO2 production and its rate was also found with an increasing level of SO inclusion in the diet (p < 0.05). Furthermore, the degradability of DM, NDF, and the concentration of total short-chain fatty acids and acetate changed linearly and quadratically, with the greatest being found at 1% SO inclusion and then steadily declining after (p < 0.01) with the 1.5% and 2% inclusion levels. Meanwhile, the propionate, NH3-N, and microbial crude protein levels showed similar trends, with the plateau found at 1% inclusion of SO, where there was no change in butyrate concentration. Moreover, the pH, metabolizable energy, and partitioning factor (PF24) also changed linearly and quadratically (p < 0.05), where the pH and PF24 were considerably reduced and ME increased with a 1% inclusion of SO (p < 0.05). In summary, SO at 1% inclusion in the diet showed the potential to improve gas production kinetics, nutrient degradability, and the ruminal fermentation profile, with a more significant reduction in ruminal CH4 production suggesting that SO at 1% could be included in the ruminant diet to reduce their carbon footprint and increase the production performance.
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Affiliation(s)
- Ahmed E. Kholif
- Dairy Science Department, National Research Centre, 33 Bohouth St. Dokki, Giza 12622, Egypt; (S.A.H.A.E.-N.); (T.A.M.); (G.A.G.); (M.F.)
- Department of Animal Sciences, North Carolina Agricultural and Technical State University, Greensboro, NC 24711, USA
| | - Md Atikur Rahman
- Department of Agriculture, Nutrition and Food Systems, University of New Hampshire, Durham, NH 03824, USA;
| | - Salah A. H. Abo El-Nor
- Dairy Science Department, National Research Centre, 33 Bohouth St. Dokki, Giza 12622, Egypt; (S.A.H.A.E.-N.); (T.A.M.); (G.A.G.); (M.F.)
| | - Tarek A. Morsy
- Dairy Science Department, National Research Centre, 33 Bohouth St. Dokki, Giza 12622, Egypt; (S.A.H.A.E.-N.); (T.A.M.); (G.A.G.); (M.F.)
| | - Gouda A. Gouda
- Dairy Science Department, National Research Centre, 33 Bohouth St. Dokki, Giza 12622, Egypt; (S.A.H.A.E.-N.); (T.A.M.); (G.A.G.); (M.F.)
| | - Mahmoud Fahmy
- Dairy Science Department, National Research Centre, 33 Bohouth St. Dokki, Giza 12622, Egypt; (S.A.H.A.E.-N.); (T.A.M.); (G.A.G.); (M.F.)
| | - Mireille Chahine
- Department of Animal, Veterinary and Food Sciences, University of Idaho, 315 Falls Ave., Twin Falls, ID 83301, USA
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Palangi V, Lackner M. Management of Enteric Methane Emissions in Ruminants Using Feed Additives: A Review. Animals (Basel) 2022; 12:ani12243452. [PMID: 36552373 PMCID: PMC9774182 DOI: 10.3390/ani12243452] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 11/20/2022] [Accepted: 12/05/2022] [Indexed: 12/13/2022] Open
Abstract
In ruminants' metabolism, a surplus of hydrogen is removed from the reduction reaction of NAD+ (nicotinamide adenine dinucleotide) by the formation of methane by methanogenic bacteria and archaea methanogens. The balance of calculations between VFA (volatile fatty acids), CO2, and CH4 indicates that acetate and butyrate play a role in methane production, while the formation of propionate maintains hydrogen and therefore reduces methane production. CH4 formation in ruminant livestock is not desired because it reduces feed efficiency and contributes to global warming. Therefore, numerous strategies have been investigated to mitigate methane production in ruminants. This review focuses on feed additives which have the capability of reducing methane emissions in ruminants. Due to the environmental importance of methane emissions, such studies are needed to make milk and meat production more sustainable. Additionally, the additives which have no adverse effects on rumen microbial population and where the reduction effects are a result of their hydrogen sink property, are the best reduction methods. Methane inhibitors have shown such a property in most cases. More work is needed to bring methane-reducing agents in ruminant diets to full market maturity, so that farmers can reap feed cost savings and simultaneously achieve environmental benefits.
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Affiliation(s)
- Valiollah Palangi
- Department of Animal Science, Agricultural Faculty, Ataturk University, 25240 Erzurum, Turkey
- Correspondence: (V.P.); (M.L.)
| | - Maximilian Lackner
- Department of Industrial Engineering, University of Applied Sciences Technikum Wien, Hoechstaedtplatz 6, 1200 Vienna, Austria
- Circe Biotechnologie GmbH, Kerpengasse 125, 1210 Vienna, Austria
- Correspondence: (V.P.); (M.L.)
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Samal L, Kumar Dash S. Nutritional Interventions to Reduce Methane Emissions in Ruminants. Vet Med Sci 2022. [DOI: 10.5772/intechopen.101763] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
Abstract
Methane is the single largest source of anthropogenic greenhouse gases produced in ruminants. As global warming is a main concern, the interest in mitigation strategies for ruminant derived methane has strongly increased over the last years. Methane is a natural by-product of anaerobic microbial (bacteria, archaea, protozoa, and fungi) fermentation of carbohydrates and, to a lesser extent, amino acids in the rumen. This gaseous compound is the most prominent hydrogen sink product synthesized in the rumen. It is formed by the archaea, the so-called methanogens, which utilize excessive ruminal hydrogen. Different nutritional strategies to reduce methane production in ruminants have been investigated such as dietary manipulations, plant extracts, lipids and lipid by-products, plant secondary metabolites, flavonoids, phenolic acid, statins, prebiotics, probiotics, etc. With the range of technical options suggested above, it is possible to develop best nutritional strategies to reduce the ill effects of livestock on global warming. These nutritional strategies seem to be the most developed means in mitigating methane from enteric fermentation in ruminants and some are ready to be applied in the field at the moment.
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Eid Mohamed Mahmoud A, Awny Fouad Rahmy H, Mostafa Ali Ghoneem W. Role of Caraway, Fennel and Melissa Addition on Productive Performance of Lactating Frisian Cows. Pak J Biol Sci 2020; 23:1380-1389. [PMID: 33274865 DOI: 10.3923/pjbs.2020.1380.1389] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND AND OBJECTIVE The use of aromatic and herbal plants as a feed additive became a new trend in feeding dairy cows to enhance animal productivity. This study was conducted to evaluate the effect of adding some herbal and aromatic plants (Melissa, Fennel and Caraway) at 0.7% of total DM of rations. MATERIALS AND METHODS Three herbal plants were evaluated in this study (melissa, fennel and caraway) by using thirteen Holstein Friesian cows. Cows were in 3rd and 5th lactation seasons were used as one experimental group by swing over design in lactation experiment (control then T1 then T2 then T3 then control). Nutrients digestibility, milk production, milk composition and blood constituents were determined. RESULTS Data indicated that nutrients digestibility and nutritive value were improved with herbal plants addition, especially with caraway treatment which recorded significantly (p>0.05) the highest values. In the same trend, Actual milk yield, 4% FCM and fat content were significantly (p>0.05) increased when cows fed rations supplemented with fennel and caraway. The addition of melissa decreased the concentration of Total Saturated Fatty Acids (TSFA) in the milk. Normal ranges for blood parameters with no negative impact on animal health were observed with experimental rations. CONCLUSION It could be concluded that caraway addition at 0.7% of the total dry matter of dairy rations, has a great potential to improve animal productivity and enhance the quality of milk fatty acids profile.
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Top-dressing of chelated phytogenic feed additives in the diet of lactating Friesian cows to enhance feed utilization and lactational performance. ANNALS OF ANIMAL SCIENCE 2020. [DOI: 10.2478/aoas-2020-0086] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Abstract
The present experiment evaluated the inclusion of chelated phytogenic feed additives mixture in the diet of lactating cows for the first 3 months of lactation. A week before calving, thirty multiparous Friesian cows were divided into three treatments in a complete randomized design and fed a basal diet without supplementation (Control treatment), or the control diet supplemented with chelated phytogenic additives at 3 g (PHY3 treatment), or at 6 g/cow/d (PHY6 treatment). Menthol, levomenthol, β-linaloolm, anethole, hexadecanoic acid and pmenthane were the principal compounds identified in the additives mixture. Milk production, total solid, protein, fat, and lactose were increased with PHY3, but decreased by PHY6 (P<0.01). Whereas the PHY3 treatment increased (P<0.05) milk contents of Ca and Zn, PHY3 and PHY6 treatments increased (P<0.05) milk Fe and Mn concentrations. Though the PHY3 treatment increased (P<0.05) nutrient digestibility, the PHY6 treatment decreased (P<0.05) the digestibility of organic matter, crude protein and neutral detergent fiber. The PHY3 treatment increased (P<0.05) ruminal volatile fatty acids (VFA) concentration and proportional acetate and propionate and decreased butyrate, while the PHY6 treatment decreased ruminal VFA concentration and proportional acetate. The PHY3 treatment increased (P<0.05) serum total protein, glucose, total antioxidant capacity, and the concentrations of Ca and Zn. Both PHY3 and PHY6 treatment decreased (P<0.05) the concentrations of serum triglycerides, and cholesterol. Daily inclusion of 3 g/cow of chelated feed additives mixture in diet of lactating cows improved milk production and ruminal fermentation, but additives dose of 6 g/cow/d had negative impact on cows’ performance.
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Effects of Three Herbs on Methane Emissions from Beef Cattle. Animals (Basel) 2020; 10:ani10091671. [PMID: 32948058 PMCID: PMC7552129 DOI: 10.3390/ani10091671] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2020] [Revised: 09/15/2020] [Accepted: 09/15/2020] [Indexed: 12/30/2022] Open
Abstract
Simple Summary Cattle represent a significant source of greenhouse gases (GHGs). In 2010, cattle emitted 5.0 gigatons of CO2 equivalents globally, which represents about 62% of the livestock sector emissions. Therefore, mitigating GHGs such as methane (CH4) originating from the cattle industry, offers an opportunity to reduce GHG emissions and climate change over the short term. Ruminant nutritionists have developed different strategies, which include the use of antibiotics, herbs and chemical compounds, such as nitrate, to manipulate rumen fermentation and reduce CH4 emissions. So, the objectives of the present work were to evaluate the in vivo antimethanogenic effects of three herbs: Cymbopogon citratus (CC), Matricaria chamomilla (MC) and Cosmos bipinnatus (CB) on beef cattle fed a high in concentrate diet and the effects of increasing levels of CC on enteric CH4 emissions by beef cattle fed a ration low in concentrate. We concluded that CC significantly reduced methane yield (g of CH4/kg of DMI) by 33%, CB reduced methane yield by 28%, and MC had no significant effect. In Experiment 2, CC supplemented with 2% of the daily DMI significantly reduced the total daily CH4 emissions by 26% without affecting the supply of nutrients to the animal. Abstract The objectives of the present work were to evaluate the in vivo antimethanogenic effects of Cymbopogon citratus (CC), Matricaria chamomilla (MC) and Cosmos bipinnatus (CB) on beef cattle fed a high in concentrate diet (forage-to-concentrate ratio [F:C] of 19.4:80.6), and the effects of increasing levels of CC (0%, 2%, 3%, and 4% of the daily DM intake (DMI)) on enteric CH4 emissions by beef cattle fed a ration low in concentrate (F:C ratio of 49.3:50.7). Two experiments were conducted to address the objectives. For the first experiment, eight Charolais × Brown Swiss steers distributed in a replicated 4 × 4 Latin square experimental design were used. Four treatments were evaluated: (1) control diet (CO), (2) CO + 365 g dry matter (DM)/d CB, (3) CO + 365 g DM/d MC, (4) CO + 100 g DM/d CC. For Experiment 2, four Charolais x Brown Swiss steers distributed in a single 4 × 4 Latin square design were used. It was concluded that 100 g DM per day CC and 365 g DM per day CB (Experiment 1) reduced CH4 yield of beef cattle. In Experiment 2, CC supplementation levels exceeding 2% of DMI reduced daily CH4 emissions but at the expense of decreasing digestibility of DM.
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Kholif AE, Hassan AA, El Ashry GM, Bakr MH, El-Zaiat HM, Olafadehan OA, Matloup OH, Sallam SMA. Phytogenic feed additives mixture enhances the lactational performance, feed utilization and ruminal fermentation of Friesian cows. Anim Biotechnol 2020; 32:708-718. [PMID: 32248772 DOI: 10.1080/10495398.2020.1746322] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The assay aimed to evaluate the effect of feeding a recently developed phytogenic feed additives mixture in diets of lactating Friesian cows (n = 30; 514 ± 10.1 kg body weight) for 3 months. Cows were stratified into three groups of 10 cows each and fed a control diet alone or the control diet supplemented with the additives mixture at 3 g (PHY3) or 6 g (PHY6)/cow daily. Menthol, levomenthol, β-linaloolm, anethole, hexadecanoic acid and p-menthane were the principle compounds identified in the additives mixture. The PHY3 increased (p < 0.01) intake and nutrient digestibility. PHY3 and PHY6 increased (p < 0.01) ruminal pH, total volatile fatty acids, propionate and acetate. PHY3 and PHY6 improved serum total protein and antioxidant capacity and decreased the concentrations of serum urea-N, triglycerides, total lipids, cholesterol and malondialdehyde (p < 0.05). PHY3 increased milk production and milk content of total solids, protein, lactose and fat. Both PHY3 and PHY6 did not affect mineral concentrations in blood or milk. It is concluded that the inclusion of 3 g/cow/d of feed additives mixture in the lactating Friesian cows diet enhanced milk production and feed utilization, with negative effects observed with increasing the dose of additives mixture to 6 g/cow daily.
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Affiliation(s)
- A E Kholif
- Dairy Science Department, National Research Centre, Giza, Egypt
| | - A A Hassan
- Agriculture Research Centre, Animal Production Research Institute, Dokki, Giza, Egypt
| | - Ghada M El Ashry
- Regional Centre for Food and Feed, Agriculture Research Centre, Dokki, Giza, Egypt
| | - M H Bakr
- Animal Production Department, Faculty of Agriculture, Cairo University, Giza, Egypt
| | - H M El-Zaiat
- Department of Animal Production, Faculty of Agriculture, Alexandria University, Alexandria, Egypt.,Sultan Qaboos University, College of Agricultural and Marine Sciences, Department of Animal and Veterinary Sciences, Al-Khod, Oman
| | - O A Olafadehan
- Department of Animal Science, University of Abuja, Abuja, Nigeria
| | - O H Matloup
- Dairy Science Department, National Research Centre, Giza, Egypt
| | - S M A Sallam
- Department of Animal Production, Faculty of Agriculture, Alexandria University, Alexandria, Egypt
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β-Sitosterol Attenuates High Grain Diet-Induced Inflammatory Stress and Modifies Rumen Fermentation and Microbiota in Sheep. Animals (Basel) 2020; 10:ani10010171. [PMID: 31963945 PMCID: PMC7022687 DOI: 10.3390/ani10010171] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Revised: 01/10/2020] [Accepted: 01/13/2020] [Indexed: 12/22/2022] Open
Abstract
β-sitosterol (BSS) is a plant-derived natural bioactive compound, its cellular mechanism of anti-inflammatory activity has been proven recently. Little information is available regarding the application of BSS on ruminants under high grain diet. The objective of this study was to evaluate the effects of dietary BSS supplementation on inflammatory response, ruminal fermentation characteristics and the composition of the ruminal bacterial community under high grain diet. Eight rumen-cannulated Hu sheep (59.7 ± 4.8 kg of initial body weight) were randomly assigned into a replicated 4 × 4 Latin square design trial. Sheep were fed a high grain diet (non-fiber carbohydrate: neutral detergent fiber = 2.03) supplemented either with 0.25 (LBS), 0.5 (MBS), 1.0 (HBS) or without (CON) g BSS /kg dry matter diet. On day 21 of each period, rumen content samples were obtained at 6 h postfeeding, and blood samples were obtained before morning feeding. The data showed that compared with control group, Dietary BSS supplementation decreased serum concentrations of tumor necrosis factor, interleukin (IL)-6, and IL-1β. The ruminal pH and acetate concentration for BSS treatment were improved, while concentration of propionate, butyrate and lactate was decreased. The result of Illumina MiSeq sequencing of 16S rRNA gene revealed that BSS addition can increase the proportion of Prevotella_1, Rikenellaceae_RC9_gut_group, Prevotella_7, and Selenomonas_1, and decrease the proportion of Lachnospiraceae_NK3A20_group. These results indicated that BSS attenuates high grain diet-induced inflammatory response and modifies ruminal fermentation. In addition, the BSS dietary supplementation at the level of 0.5 g/kg is recommended in sheep.
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Zhou R, Wu J, Lang X, Liu L, Casper DP, Wang C, Zhang L, Wei S. Effects of oregano essential oil on in vitro ruminal fermentation, methane production, and ruminal microbial community. J Dairy Sci 2020; 103:2303-2314. [PMID: 31954586 DOI: 10.3168/jds.2019-16611] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2019] [Accepted: 11/07/2019] [Indexed: 12/26/2022]
Abstract
Different inclusion rates of oregano essential oil (OEO) were investigated for their effects on ruminal in vitro fermentation parameters, total gas, methane production, and bacterial communities. Treatments were (1) control, 0 mg/L of OEO (CON); 13 mg/L (OEO1); 52 mg/L (OEO2); 91 mg/L (OEO3); and 130 mg/L (OEO4), each incubated with 150 mL of buffered rumen fluid and 1,200 mg of substrate for 24 h using the Ankom in vitro gas production system (Ankom Technology Corp., Fairport, NY). Treatment responses were statistically analyzed using polynomial contrasts. Digestibility of DM, NDF, and ADF increased quadratically with increasing OEO inclusion rates. Digestibility of DM and NDF were highest for OEO2, whereas ADF digestibility was highest for OEO3, compared with CON, with the remaining treatments being intermediate and similar. Ammonia nitrogen concentrations decreased from CON at a quadratic rate with increasing OEO inclusion rates, and OEO2 had the lowest concentration compared with the other groups. Total VFA, acetate, propionate, butyrate, valerate, and isovalerate concentrations linearly decreased with increasing OEO inclusion rates. Total gas production levels by CON and OEO4 were greater than those of OEO1, OEO2, and OEO3 in a quadratic response, and methane production linearly decreased from CON, compared with OEO4, at a decreasing rate with OEO inclusion rates. As determined by 16S rRNA sequencing, the α biodiversity of ruminal bacteria was similar among OEO inclusion rates. Increasing OEO inclusion rates linearly increased the relative abundance of Prevotella and Dialister bacteria. Several bacteria demonstrated different polynomial responses, whereas several bacteria were similar among increasing OEO inclusion rates. These results suggested that OEO supplementation can modify ruminal fermentation to alter VFA concentrations and reduce methane emissions by extensively altering the ruminal bacterial community, suggesting an optimal feeding rate for future animal studies of approximately 52 mg/L for mature ruminants.
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Affiliation(s)
- Rui Zhou
- College of Animal Science and Technology, Gansu Agricultural University, No. 1 Yingmen Village Anning, Lanzhou, Gansu, People's Republic of China, 730070
| | - Jianping Wu
- College of Animal Science and Technology, Gansu Agricultural University, No. 1 Yingmen Village Anning, Lanzhou, Gansu, People's Republic of China, 730070.
| | - Xia Lang
- Animal Husbandry, Pasture, and Green Agriculture Institute, Gansu Academy of Agricultural Sciences, No. 1 Nongkeyuan Village Anning, Lanzhou, Gansu, People's Republic of China, 730030
| | - Lishan Liu
- Animal Husbandry, Pasture, and Green Agriculture Institute, Gansu Academy of Agricultural Sciences, No. 1 Nongkeyuan Village Anning, Lanzhou, Gansu, People's Republic of China, 730030
| | - David P Casper
- Casper's Calf Ranch, 4890 West Lily Creek Road, Freeport, IL 61032
| | - Cailian Wang
- Animal Husbandry, Pasture, and Green Agriculture Institute, Gansu Academy of Agricultural Sciences, No. 1 Nongkeyuan Village Anning, Lanzhou, Gansu, People's Republic of China, 730030
| | - Liping Zhang
- College of Animal Science and Technology, Gansu Agricultural University, No. 1 Yingmen Village Anning, Lanzhou, Gansu, People's Republic of China, 730070
| | - Sheng Wei
- College of Animal Science and Technology, Gansu Agricultural University, No. 1 Yingmen Village Anning, Lanzhou, Gansu, People's Republic of China, 730070
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Patra AK, Park T, Braun HS, Geiger S, Pieper R, Yu Z, Aschenbach JR. Dietary Bioactive Lipid Compounds Rich in Menthol Alter Interactions Among Members of Ruminal Microbiota in Sheep. Front Microbiol 2019; 10:2038. [PMID: 31551974 PMCID: PMC6738200 DOI: 10.3389/fmicb.2019.02038] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2019] [Accepted: 08/19/2019] [Indexed: 12/17/2022] Open
Abstract
This study aimed to investigate the effects of two practically relevant doses of menthol-rich plant bioactive lipid compounds (PBLC) on fermentation, microbial community composition, and their interactions in sheep rumen. Twenty-four growing Suffolk sheep were divided into three treatments and were fed hay ad libitum plus 600 g/d of concentrate containing no PBLC (Control) or PBLC at low dose (80 mg/d; PBLC-L) or high dose (160 mg/d; PBLC-H). After 4 weeks on the diets, samples of ruminal digesta were collected and analyzed for short-chain fatty acid (SCFA), ammonia, and microbiota; microbiota being analyzed in the solid and the liquid digesta fractions separately. Ruminal SCFA and ammonia concentrations were not affected by the PBLC treatments. The microbiota in the solid fraction was more diverse than that in the liquid fraction, and the relative abundance of most taxa differed between these two fractions. In the solid fraction, phylogenetic diversity increased linearly with increased PBLC doses, whereas evenness (lowest in PBLC-L) and Simpson diversity index (greatest in PBLC-H) changed quadratically. In the liquid fraction, however, the PBLC supplementation did not affect any of the microbial diversity measurements. Among phyla, Chloroflexi (highest in PBLC-L) and unclassified_bacteria (lowest in PBLC-L) were altered quadratically by PBLC. Lachnospiraceae, Bacteroidaceae (increased linearly), BS11 (increased in PBLC-L), Christensenellaceae (decreased in PBLC treatments), and Porphyromonadaceae (increased in PBLC treatments) were affected at the family level. Among genera, Butyrivibrio increased linearly in the solid fraction, YRC22 increased linearly in the liquid fraction, whereas Paludibacter increased and BF311 increased linearly with increasing doses of PBLC in both fractions. The PBLC treatments also lowered methanogens within the classes Thermoplasmata and Euryarchaeota. Correlation network analysis revealed positive and negative correlations among many microbial taxa. Differential network analysis showed that PBLC supplementation changed the correlation between some microbial taxa and SCFA. The majority of the predicted functional features were different between the solid and the liquid digesta fractions, whereas the PBLC treatments altered few of the predicted functional gene categories. Overall, dietary PBLC treatments had little influence on the ruminal fermentation and microbiota but affected the associations among some microbial taxa and SCFA.
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Affiliation(s)
- Amlan K. Patra
- Institute of Veterinary Physiology, Freie Universität Berlin, Berlin, Germany
- Department of Animal Nutrition, West Bengal University of Animal and Fishery Sciences, Kolkata, India
| | - Tansol Park
- Department of Animal Sciences, The Ohio State University, Columbus, OH, United States
| | | | - Sebastian Geiger
- Institute of Veterinary Physiology, Freie Universität Berlin, Berlin, Germany
| | - Robert Pieper
- Institute of Animal Nutrition, Freie Universität Berlin, Berlin, Germany
| | - Zhongtang Yu
- Department of Animal Sciences, The Ohio State University, Columbus, OH, United States
| | - Jörg R. Aschenbach
- Institute of Veterinary Physiology, Freie Universität Berlin, Berlin, Germany
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Zhou R, Wu J, Zhang L, Liu L, Casper DP, Jiao T, Liu T, Wang J, Lang X, Song S, Gong X. Effects of oregano essential oil on the ruminal pH and microbial population of sheep. PLoS One 2019; 14:e0217054. [PMID: 31107883 PMCID: PMC6527227 DOI: 10.1371/journal.pone.0217054] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2018] [Accepted: 05/05/2019] [Indexed: 02/04/2023] Open
Abstract
Oregano essential oil (OEO), which has antimicrobial properties, may be used for altering the ruminal pH and microbial populations of sheep, as observed by the altered volatile fatty acid patterns. To further elucidate the effects of OEO on ruminal pH and microbial populations of sheep, 3 German merino sheep × local sheep crossbred rams with permanent ruminal fistulas were randomly assigned to a 3 × 3 Latin square design with 12-d periods. The treatments were as follows: control (CON); OEO4: OEO supplied at 4 g•d-1; and OEO7: OEO supplied at 7 g•d-1. Starting on day 11, rumen fluid was collected at 0 h, and at 4, 8, 12, 24 and 48 h after supplying OEO, and then pH values of rumen fluid were immediately measured. The abundance of microbial populations was determined by using qPCR. The ruminal pH values were similar among the sheep from all treatments. The abundance of ruminal fungi was higher for the sheep supplied OEO7 compared with the sheep supplied CON and OEO4, especially at 4 and 12 h. The abundance of ruminal protozoa decreased with supplied OEO, indicating that OEO could inhibit the protozoa. The abundance of the total ruminal bacteria was similar for the sheep from all treatments, but R. flavefaciens, R. albus and F. succinogenes increased in the sheep supplied OEO4 compared with those in the sheep supplied CON, however, the sheep supplied OEO7 had higher abundances of R. flavefaciens than the sheep supplied CON. These results demonstrated that supplying OEO to sheep did not affect the ruminal pH but could shift the rumen microbial population to one with less protozoa. Supplying OEO can preferentially enhance the growth of certain rumen microbial populations, but the shifts were influenced by the supply rate. Therefore, supplying low amount (i.e. 4 g•d-1) of OEO could have positive effects on ruminal microbial populations, whereas supplying elevated doses of OEO could be detrimental to those same ruminal microbial populations.
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Affiliation(s)
- Rui Zhou
- College of Animal Science and Technology, Gansu Agricultural University, Lanzhou, Gansu, People’s Republic of China
| | - Jianping Wu
- College of Animal Science and Technology, Gansu Agricultural University, Lanzhou, Gansu, People’s Republic of China
- * E-mail:
| | - Liping Zhang
- College of Animal Science and Technology, Gansu Agricultural University, Lanzhou, Gansu, People’s Republic of China
| | - Lishan Liu
- Animal Husbandry, Pasture, and Green Agriculture Institute, Gansu Academy of Agricultural Sciences, Gansu, People’s Republic of China
| | - David P. Casper
- Furst-McNess Company, Freeport, IL, United States of America
| | - Ting Jiao
- College of Grassland Science, Key Laboratory of Grassland Ecosystem, Gansu Agricultural University, Lanzhou, People’s Republic of China
| | - Ting Liu
- College of Animal Science and Technology, Gansu Agricultural University, Lanzhou, Gansu, People’s Republic of China
| | - Jianfu Wang
- College of Animal Science and Technology, Gansu Agricultural University, Lanzhou, Gansu, People’s Republic of China
| | - Xia Lang
- Animal Husbandry, Pasture, and Green Agriculture Institute, Gansu Academy of Agricultural Sciences, Gansu, People’s Republic of China
| | - Shuzhen Song
- Animal Husbandry, Pasture, and Green Agriculture Institute, Gansu Academy of Agricultural Sciences, Gansu, People’s Republic of China
| | - Xuyin Gong
- Animal Husbandry, Pasture, and Green Agriculture Institute, Gansu Academy of Agricultural Sciences, Gansu, People’s Republic of China
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WADHWA M, BAKSHI MPS. Effect of supplementing total mixed ration with ajwain (Trachyspermum ammi) oil on the performance of buffalo calves. THE INDIAN JOURNAL OF ANIMAL SCIENCES 2019. [DOI: 10.56093/ijans.v89i4.89144] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
This study was taken up to assess the impact of different levels of ajwain oil (rich in essential oils) on the nutrient utilization by in vitro gas production technique. The best level of ajwain oil obtained was tested on the performance of buffalo calves. Ajwain oil was supplemented at 0.05, 0.1, 0.15 and 0.2% of total mixed ration (TMR; concentrate:green fodder:wheat straw in 40:48:12 ratio on DM basis). The results revealed that supplementation of incremental levels of ajwain oil to the TMR resulted in linear decrease in net gas production (NGP), digestibility of true OM and NDF; ME availability and methane production. Supplementing the TMR with ajwain oil beyond 0.05% resulted in significant depression in total and individual volatile fatty acids (VFAs) and acetate to propionate ratio. The protozoa numbers declined linearly with increase in level of ajwain oil supplementation. Hence 0.05% level of ajwain oil was selected for assessing its impact on performance of growing buffalo calves. In the first experiment, a 146-day feeding trial was conducted on 20 male buffalo calves divided into 2 groups, offered a TMR-1 (concentrate: green fodder: wheat straw ratio of 40:48:12 on DM basis) or TMR-1 supplemented with 0.05% ajwain oil. After completion of this trial, another 138-day feeding trial was conducted on 18 male buffalo calves divided into 2 groups and were offered a TMR-2 (concentrate: wheat straw ratio of 50:50 on DM basis) or TMR-2 supplemented with 0.05% ajwain oil. In the first growth trial, supplementing the control diet with ajwain oil did not show any impact on daily DM intake, digestibility of nutrients and N-retention, but in the second experiment the digestibility of all the nutrients, except that of crude protein was improved significantly in the ajwain oil supplemented group. The daily DM intake and N-retention was comparable in both the groups. The blood profile, urinary purine derivatives excretion and microbial biomass synthesis was not affected by ajwain oil supplementation during both the experiments. The average daily gain was comparable between control and ajwain oil supplemented group in both the feeding trials. It was concluded that supplementing ajwain oil to the TMR suppressed the in vitro methane production; improved the digestibility of nutrients in wheat straw based TMR supplemented with 0.05% ajwain oil, but did not show any significant beneficial effect on the performance of buffalo calves.
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Herbal feed additives containing essential oil: 1. Impact on the nutritional worth of complete feed in vitro. Trop Anim Health Prod 2019; 51:1909-1917. [PMID: 30989448 DOI: 10.1007/s11250-019-01887-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2018] [Accepted: 04/01/2019] [Indexed: 10/27/2022]
Abstract
This study was taken up to assess the impact of supplementing herbal feed additives [HFAs; fruit of Myristica fragrans (Jayphall), seeds of Anethum sowa (Suva), fruit of Apium graveolens (Ajmo), fruit of Cuminum cyminum (Jeera), bark of Cinnamonum zeylanicum (Dalchini), or whole plant of Eclipta alba (Bhangro)] containing essential oils as active component on the nutrient utilization and methane production using wheat straw-based total mixed ration (TMR) as a substrate by in vitro gas production technique. The essential oil content was the highest (P < 0.01) in M. fragrans followed by E. alba and A. sowa. In addition to essential oils, these HFAs also contained saponins, tannins, and antioxidants. The HFAs were supplemented at 1-3% of substrate dry matter (DM). The data were analyzed by 6 × 4 factorial design. Irrespective of level of HFA, the net gas production (NGP) and metabolizable energy (ME) availability was the highest (P < 0.01) in TMR supplemented with C. zeylanicum comparable with E. alba, but higher than TMR supplemented with other HFAs. Supplementation of TMR with different HFAs did not affect the digestibility of neutral detergent fiber (NDF) and true organic matter (TOM) and partitioning factor (PF). The total volatile fatty acids (VFAs), acetate, propionate (P < 0.01), and butyrate (P < 0.05) production was the highest in TMR supplemented with A. sowa, and the lowest was observed in TMR supplemented with C. cyminum. The isobutyrate and valerate production was also the highest (P < 0.01) in diet supplemented with A. sowa, but isovalerate production was the highest (P < 0.01) in diet supplemented with C. zeylanicum. The A:P ratio was the best in TMR supplemented with A. sowa. The efficiency of rumen fermentation was the highest, and efficiency of conversion of hexose to methane was the lowest in diet supplemented with A. sowa as compared to all other supplements. The in vitro methane production expressed as either percent of NGP, ml/100 mg DM of substrate/24 h, or as ml/100 mg of digestible OM/24 h was the lowest in TMR supplemented with A. sowa. The ammonia nitrogen production from TMR supplemented with M. fragrans and A. sowa was comparable, but significantly (P < 0.01) lower than TMR supplemented with other HFAs. Irrespective of the nature of HFA, the NGP and ME availability were significantly (P < 0.01) higher in TMR supplemented with HFAs at all levels as compared to un-supplemented TMR. As compared to control, the digestibility of NDF and that of TOM was depressed slightly in all the HFA-supplemented TMRs. The supplementation of HFAs at 2% of substrate DM improved (P < 0.01) the production of total VFAs, acetate, and propionate, and that of isovalerate in comparison to the un-supplemented TMR. The acetate to propionate ratio increased (P < 0.01) with the increase in the level of supplementation of HFAs containing essential oils. The methane and ammonia productions were depressed significantly when TMR was supplemented at 2% level of HFAs as compared to control TMR. It was concluded that supplementation of TMR with A. sowa at 2% of substrate was fermented better as indicated by the production of total and individual VFA, methane, and ammonia as compared to TMR supplemented with other HFA or un-supplemented TMR.
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PAWAR MM, KAMRA DN, CHAUDHARY LC, AGARWAL N, CHATURVEDI VB. Nutrients utilization, methane emission, immune function, blood metabolites and performance of buffalo calves fed Trachyspermum copticum seed oil. THE INDIAN JOURNAL OF ANIMAL SCIENCES 2019. [DOI: 10.56093/ijans.v89i1.86385] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
The effect of ajwain seed oil (Trachyspermum copticum, AjO) on nutrient digestibility, methane emission, immune status, blood metabolites and growth performance was studied on 15 growing male buffalo calves. The animals were divided into three groups in completely randomized design and assigned to three dietary treatments, viz. control without additive (T1), AjO at the rate of 1 ml/calf/day (T2) and AjO at the rate of 2 ml/calf/day (T3). Feeding was continued for 120 days. The dry matter intake (kg/d) was higher by 3 and 8% and average daily weight gain by 10 and 16% in T2 and T3 groups as compared to control (T1) group, but differences were not significant. There was no effect on apparent digestibility of dry matter, organic matter, ether extract, neutral detergent fibre and acid detergent fibre except crude protein digestibility which was higher in T3 group as compared to control. The methane production and energy metabolism were not changed by feeding of AjO. The animals of T3 group were in higher nitrogen balance accompanied with low blood urea level. The blood metabolites and immune status (cell mediated and humoral immune response) reflecting health of the animals, were similar and within normal range in all the groups. Though AjO feeding could not affect the overall performance of the animals but was able to modulate protein etabolism resulting in improvement in protein utilization efficiency.
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Influence of Nigella sativa seeds, Rosmarinus officinalis leaves and their combination on growth performance, immune response and rumen metabolism in Dorper lambs. Trop Anim Health Prod 2018; 50:1011-1023. [PMID: 29654500 DOI: 10.1007/s11250-018-1525-7] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2017] [Accepted: 01/24/2018] [Indexed: 10/17/2022]
Abstract
The objective of this study was to determine the effects of dietary supplementation of Nigella sativa L. seeds, Rosmarinus officinalis L. leaves and their combination on rumen metabolism, nutrient intake and digestibility, growth performance, immune response and blood metabolites in Dorper lambs. Twenty-four entire male Dorper lambs (18.68 ± 0.6 kg, 4-5 months old) were randomly assigned to a concentrate mixture containing on a dry matter basis either, no supplement (control, T1), 1% R. officinalis leaves (T2), 1% N. sativa seeds (T3) or 1% R. officinalis leaves +1% N. sativa seeds (T4). The lambs had ad libitum access to urea-treated rice straw (UTRS) and were raised for 90 days. Supplemented lambs had greater (P < 0.05) intake of DM and UTRS than the control lambs. The T4 lambs had lower (P < 0.05) nutrient digestibility than those fed other treatments. Total and daily weight gain was greater (P < 0.05) in T2 lambs than those fed other diets. The T3 and T4 lambs had greater (P < 0.05) ruminal pH than the T1 and T2 lambs. Supplemented lambs had lower (P < 0.05) ruminal total volatile fatty acids, acetate, propionate, NH3-N and C18:0 than the control lambs. The T4 lambs had lower (P < 0.05) population of Fibrobacter succinogenes, Ruminococcus albus, methanogens and total protozoa compared with those fed other diets. Supplemented lambs had lower (P < 0.05) neutrophils, basophils and serum urea and greater (P < 0.05) serum IgA and IgG compared with the control lambs. The current results emphasised the variation in the efficacy of medicinal plants in ruminant nutrition.
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Mendel M, Chłopecka M, Dziekan N, Karlik W. Phytogenic feed additives as potential gut contractility modifiers—A review. Anim Feed Sci Technol 2017. [DOI: 10.1016/j.anifeedsci.2017.05.008] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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17
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Medjekal S, Bodas R, Bousseboua H, López S. Evaluation of three medicinal plants for methane production potential, fiber digestion and rumen fermentation in vitro. ACTA ACUST UNITED AC 2017. [DOI: 10.1016/j.egypro.2017.07.089] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Pawar MM, Pattanaik AK, Sinha DK, Goswami TK, Sharma K. Effect of dietary mannanoligosaccharide supplementation on nutrient digestibility, hindgut fermentation, immune response and antioxidant indices in dogs. JOURNAL OF ANIMAL SCIENCE AND TECHNOLOGY 2017; 59:11. [PMID: 28507766 PMCID: PMC5426052 DOI: 10.1186/s40781-017-0136-6] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/25/2017] [Accepted: 04/27/2017] [Indexed: 11/10/2022]
Abstract
BACKGROUND Use of prebiotics in companion animal nutrition is often considered advantageous over probiotics because of the ease of handling, ability to withstand processing and storage etc. While most of the studies on prebiotic use in dogs have been done with processed food as basal diet, the response in relation to homemade diet feeding is not very well explored. METHODS The study was conducted to evaluate the effects of dietary mannanoligosaccharide (MOS) supplementation on nutrient digestibility, hindgut fermentation, immune response and antioxidant indices in dogs. Ten Spitz pups were divided into two groups: control (CON) with no supplementation, and experimental (MOS) wherein the basal diet was supplemented with MOS at 15 g/kg diet. All dogs were fed on a home-prepared diet for a period of 150 days. The study protocol included a digestion trial, periodic blood collection and analysis for lipid profile and erythrocytic antioxidants. Immune response of the animals was assessed towards the end of the feeding period. RESULTS Results revealed no significant (P > 0.05) variations in palatability score, intake and apparent digestibility of nutrients between the groups. Faecal score, faeces voided, faecal pH, concentrations of ammonia, lactate and short-chain fatty acids were comparable (P > 0.05) between the two groups. Cell-mediated immune response, assessed as delayed-type of hypersensitivity response, was significantly higher (P < 0.05) in the MOS group. The percent of lymphocyte sub-populations CD4+ and ratio of CD4+:CD8+ were also significantly (P < 0.05) higher in MOS group. The serum IgG levels were similar (P > 0.05) in both the groups. Supplementation of MOS lowered (P < 0.05) serum total- and LDL- cholesterol levels, when compared with the control group. The erythrocytic antioxidant indices were similar (P > 0.05) between the two groups. CONCLUSIONS The results indicated that supplementation of MOS at the rate of 15 g/kg in the diet of dog augmented the cell-mediated immune response and serum lipid profile without any influences on digestibility of nutrients, hindgut fermentation and antioxidants indices.
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Affiliation(s)
- Mahesh M Pawar
- Division of Animal Nutrition, ICAR-Indian Veterinary Research Institute, Izatnagar, 243122 India.,Present address: Department of Animal Nutrition, College of Veterinary Science & Animal Husbandry, Sardarkrushinagar Dantiwada Agricultural University, Sardarkrushinagar, 385506 India
| | - Ashok K Pattanaik
- Division of Animal Nutrition, ICAR-Indian Veterinary Research Institute, Izatnagar, 243122 India.,Present address: Carl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign, Urbana, IL 61801 USA
| | - Dharmendra K Sinha
- Division of Epidemiology, ICAR-Indian Veterinary Research Institute, Izatnagar, 243122 India
| | - Tapas K Goswami
- Immunology Section, ICAR-Indian Veterinary Research Institute, Izatnagar, 243122 India
| | - Kusumakar Sharma
- Division of Animal Nutrition, ICAR-Indian Veterinary Research Institute, Izatnagar, 243122 India
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Aperce CC, Amachawadi R, Van Bibber-Krueger CL, Nagaraja TG, Scott HM, Vinasco-Torre J, Drouillard JS. Effects of Menthol Supplementation in Feedlot Cattle Diets on the Fecal Prevalence of Antimicrobial-Resistant Escherichia coli. PLoS One 2016; 11:e0168983. [PMID: 28030622 PMCID: PMC5193447 DOI: 10.1371/journal.pone.0168983] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2015] [Accepted: 12/10/2016] [Indexed: 11/18/2022] Open
Abstract
The pool of antimicrobial resistance determinants in the environment and in the gut flora of cattle is a serious public health concern. In addition to being a source of human exposure, these bacteria can transfer antibiotic resistance determinants to pathogenic bacteria and endanger the future of antimicrobial therapy. The occurrence of antimicrobial resistance genes on mobile genetic elements, such as plasmids, facilitates spread of resistance. Recent work has shown in vitro anti-plasmid activity of menthol, a plant-based compound with the potential to be used as a feed additive to beneficially alter ruminal fermentation. The present study aimed to determine if menthol supplementation in diets of feedlot cattle decreases the prevalence of multidrug-resistant bacteria in feces. Menthol was included in diets of steers at 0.3% of diet dry matter. Fecal samples were collected weekly for 4 weeks and analyzed for total coliforms counts, antimicrobial susceptibilities, and the prevalence of tet genes in E. coli isolates. Results revealed no effect of menthol supplementation on total coliforms counts or prevalence of E. coli resistant to amoxicillin, ampicillin, azithromycin, cefoxitin, ceftiofur, ceftriaxone, chloramphenicol, ciprofloxacin, gentamicin, kanamycin, nalidixic acid, streptomycin, sulfisoxazole, and sulfamethoxazole; however, 30 days of menthol addition to steer diets increased the prevalence of tetracycline-resistant E. coli (P < 0.02). Although the mechanism by which menthol exerts its effects remains unclear, results of our study suggest that menthol may have an impact on antimicrobial resistance in gut bacteria.
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Affiliation(s)
- C. C. Aperce
- Departments of Animal Sciences and Industry, Kansas State University, Manhattan, Kansas, United States of America
| | - R. Amachawadi
- Diagnostic Medicine and Pathobiology, Kansas State University, Manhattan, Kansas, United States of America
| | - C. L. Van Bibber-Krueger
- Departments of Animal Sciences and Industry, Kansas State University, Manhattan, Kansas, United States of America
| | - T. G. Nagaraja
- Diagnostic Medicine and Pathobiology, Kansas State University, Manhattan, Kansas, United States of America
| | - H. M. Scott
- Diagnostic Medicine and Pathobiology, Kansas State University, Manhattan, Kansas, United States of America
| | - J. Vinasco-Torre
- Diagnostic Medicine and Pathobiology, Kansas State University, Manhattan, Kansas, United States of America
| | - J. S. Drouillard
- Departments of Animal Sciences and Industry, Kansas State University, Manhattan, Kansas, United States of America
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Medjekal S, Ghadbane M, Bodas R, Bousseboua H, López S. Volatile fatty acids and methane production from browse species of Algerian arid and semi-arid areas. JOURNAL OF APPLIED ANIMAL RESEARCH 2016. [DOI: 10.1080/09712119.2016.1257432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Samir Medjekal
- Department of Applied Microbiology, University Mentouri of Constantine, Constantine, Algeria
- Department of Microbiology and Biochemistry, Faculty of Science, University Mohamed Boudiaf of M’sila, M’sila, Algeria
| | - Mouloud Ghadbane
- Department of Microbiology and Biochemistry, Faculty of Science, University Mohamed Boudiaf of M’sila, M’sila, Algeria
| | - Raúl Bodas
- Instituto Tecnológico Agrario de Castilla y León, Subdirección de Investigación y Tecnología, Valladolid, Spain
| | - Hacène Bousseboua
- Ecole Nationale Supérieure de Biotechnologie, Ville universitaire Ali Mendjeli, Ali Mendjeli/Constantine, Algérie
| | - Secundino López
- Instituto de Ganadería de Montaña (IGM) CSIC-Universidad de León, Departamento de Producción Animal, Universidad de León, León, Spain
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Van Bibber-Krueger CL, Miller KA, Aperce CC, Alvarado-Gilis CA, Higgins JJ, Drouillard JS. Effects of crystalline menthol on blood metabolites in Holstein steers and in vitro volatile fatty acid and gas production1. J Anim Sci 2016; 94:1170-8. [DOI: 10.2527/jas.2015-8779] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Cobellis G, Trabalza-Marinucci M, Yu Z. Critical evaluation of essential oils as rumen modifiers in ruminant nutrition: A review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2016; 545-546:556-68. [PMID: 26760275 DOI: 10.1016/j.scitotenv.2015.12.103] [Citation(s) in RCA: 124] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2015] [Revised: 12/21/2015] [Accepted: 12/21/2015] [Indexed: 05/22/2023]
Abstract
Ruminant livestock systems contribute significantly to emission of methane, a potent greenhouse gas as they waste a portion of the ingested energy (2-15%) as methane and a large proportion (75-95%) of the ingested nitrogen as ammonia. Recently, numerous researches have been conducted to evaluate plant secondary metabolites, including essential oils (EO), as natural feed additives in ruminant nutrition and to exploit their potential to improve rumen fermentation efficiency. Essential oils appeared to be very promising compounds as they selectively reduced methane production and protein breakdown in both in vitro and in vivo studies. However, in some studies, the use of EO as feed additives was accompanied with decreased feed degradability and lowered volatile fatty acid. These adverse effects could be attributed to their broad and often non-specific antimicrobial activities within the rumen. Future research should be directed to identification of the active and useful EO compounds, optimization of EO doses, and use of a whole-farm approach with a focus on animal welfare, performance and economic benefits.
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Affiliation(s)
- Gabriella Cobellis
- Dipartimento di Medicina Veterinaria, Università degli Studi di Perugia, Perugia, Italy; Department of Animal Sciences, The Ohio State University, Columbus, OH 43210, USA.
| | | | - Zhongtang Yu
- Department of Animal Sciences, The Ohio State University, Columbus, OH 43210, USA
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Khateri N, Azizi O, Jahani-Azizabadi H. Effects of a specific blend of essential oils on apparent nutrient digestion, rumen fermentation and rumen microbial populations in sheep fed a 50:50 alfalfa hay:concentrate diet. ASIAN-AUSTRALASIAN JOURNAL OF ANIMAL SCIENCES 2016; 30:370-378. [PMID: 28249376 PMCID: PMC5337916 DOI: 10.5713/ajas.15.0865] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/20/2015] [Revised: 12/01/2015] [Accepted: 01/15/2016] [Indexed: 11/27/2022]
Abstract
Objective An experiment was conducted to investigate the effects of a specific mixture of essential oils (MEO), containing thyme, clove and cinnamon EO, on rumen microbial fermentation, nutrient apparent digestibility and blood metabolites in fistulated sheep. Methods Six sheep fitted with ruminal fistulas were used in a repeated measurement design with two 24-d periods to investigate the effect of adding MEO at 0 (control), 0.8, and 1.6 mL/d on apparent nutrient digestibility, rumen fermentation characteristics, rumen microbial population and blood chemical metabolites. Animals were fed with a 50:50 alfalfa hay:concentrate diet. Results Ruminal pH, total volatile fatty acids (VFA) concentration, molar proportion of individual VFA, acetate: propionate ratio and methane production were not affected with MEO. Relative to the control, Small peptides plus amino acid nitrogen and large peptides nitrogen concentration in rumen fluid were not affected with MEO supplementation; while, rumen fluid ammonia nitrogen concentration at 0 and 6 h after morning feeding in sheep fed with 1.6 mL/d of MEO was lower (p<0.05) compared to the control and 0.8 mL/d of MEO. At 0 h after morning feeding, ammonia nitrogen concentration was higher (p<0.05) in sheep fed 0.8 mL/d of MEO relative to 1.6 mL/d and control diet. Ruminal protozoa and hyper ammonia producing (HAP) bacteria counts were not affected by addition of MEO in the diet. Relative to the control, no changes were observed in the red and white blood cells, hemoglobin, hematocrit, glucose, beta-hydroxybutyric acid, cholesterol, total protein, albumin, blood urea nitrogen and aspartate aminotransferase and alanine aminotransferase concentration. Apparent total tract digestibility of dry matter, crude proten, organic matter, and neutral detergent fiber were not influenced by MEO supplementation. Conclusion The results of the present study suggested that supplementation of MEO may have limited effects on apparent nutrient digestibility, ruminal fermentation and protozoa and HAP bacteria count, blood cells and metabolites.
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Affiliation(s)
- N Khateri
- Department of Animal Science, Faculty of Agriculture, University of Kurdistan, Sanandaj, Kurdistan, P.O. Box: 416, Iran
| | - O Azizi
- Department of Animal Science, Faculty of Agriculture, University of Kurdistan, Sanandaj, Kurdistan, P.O. Box: 416, Iran
| | - H Jahani-Azizabadi
- Department of Animal Science, Faculty of Agriculture, University of Kurdistan, Sanandaj, Kurdistan, P.O. Box: 416, Iran
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Oh J, Hristov AN. Effects of Plant-Derived Bio-Active Compounds on Rumen Fermentation, Nutrient Utilization, Immune Response, and Productivity of Ruminant Animals. ACS SYMPOSIUM SERIES 2016. [DOI: 10.1021/bk-2016-1218.ch011] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/05/2022]
Affiliation(s)
- J. Oh
- Department of Animal Science, The Pennsylvania State University, University Park, Pennsylvania 16802, United States
| | - A. N. Hristov
- Department of Animal Science, The Pennsylvania State University, University Park, Pennsylvania 16802, United States
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Joch M, Cermak L, Hakl J, Hucko B, Duskova D, Marounek M. In vitro Screening of Essential Oil Active Compounds for Manipulation of Rumen Fermentation and Methane Mitigation. ASIAN-AUSTRALASIAN JOURNAL OF ANIMAL SCIENCES 2015; 29:952-9. [PMID: 26954157 PMCID: PMC4932589 DOI: 10.5713/ajas.15.0474] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 06/01/2015] [Revised: 09/17/2015] [Accepted: 10/08/2015] [Indexed: 11/27/2022]
Abstract
The objective of this study was to investigate the effects of 11 active compounds of essential oils (ACEO) on rumen fermentation characteristics and methane production. Two trials were conducted. In trial 1, ACEO (eugenol, carvacrol, citral, limonene, 1,4-cineole, p-cymene, linalool, bornyl acetate, α-pinene, and β-pinene) at a dose of 1,000 μL/L were incubated for 24 h in diluted rumen fluid with a 70:30 forage:concentrate substrate (16.2% crude protein; 36.6% neutral detergent fiber). Three fistulated Holstein cows were used as donors of rumen fluid. The reduction in methane production was observed with nine ACEO (up to 86% reduction) compared with the control (p<0.05). Among these, only limonene, 1,4-cineole, bornyl acetate, and α-pinene did not inhibit volatile fatty acid (VFA) production, and only bornyl acetate produced less methane per mol of VFA compared with the control (p<0.05). In a subsequent trial, the effects on rumen fermentation and methane production of two concentrations (500 and 2,000 μL/L) of bornyl acetate, the most promising ACEO from the first trial, were evaluated using the same in vitro incubation method that was used in the first trial. In trial 2, monensin was used as a positive control. Both doses of bornyl acetate decreased (p<0.05) methane production and did not inhibit VFA production. Positive effects of bornyl acetate on methane and VFA production were more pronounced than the effects of monensin. These results confirm the ability of bornyl acetate to decrease methane production, which may help to improve the efficiency of energy use in the rumen.
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Affiliation(s)
- M Joch
- Institute of Animal Science, Prague Uhrineves 10400, Czech Republic
| | - L Cermak
- Institute of Animal Science, Prague Uhrineves 10400, Czech Republic
| | - J Hakl
- Department of Forage Crops and Grassland Management, Czech University of Life Sciences, Prague 16521, Czech Republic
| | - B Hucko
- Department of Microbiology, Nutrition and Dietetics, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences, Prague 16521, Czech Republic
| | - D Duskova
- Institute of Animal Science, Prague Uhrineves 10400, Czech Republic
| | - M Marounek
- Institute of Animal Science, Prague Uhrineves 10400, Czech Republic
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Evaluation of the Effects of Mitigation on Methane and Ammonia Production by Using Origanum vulgare L. and Rosmarinus officinalis L. Essential Oils on in Vitro Rumen Fermentation Systems. SUSTAINABILITY 2015. [DOI: 10.3390/su70912856] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Rira M, Chentli A, Boufenera S, Bousseboua H. Effects of Plants Containing Secondary Metabolites on Ruminal Methanogenesis of Sheep in vitro. ACTA ACUST UNITED AC 2015. [DOI: 10.1016/j.egypro.2015.07.513] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Park NS, Cho CH, Heo JM, Song M, Yang BM, Lee HS, Lee SK. Effects of dietary Forsythia suspensa on feed utilization, rumen fermentation, and immune response of Korean native goats (Capra hircus). REV COLOMB CIENC PEC 2015. [DOI: 10.17533/udea.rccp.v28n2a05] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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Kouazounde JB, Jin L, Assogba FM, Ayedoun MA, Wang Y, Beauchemin KA, McAllister TA, Gbenou JD. Effects of essential oils from medicinal plants acclimated to Benin on in vitro ruminal fermentation of Andropogon gayanus grass. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2015; 95:1031-1038. [PMID: 24930456 DOI: 10.1002/jsfa.6785] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2014] [Revised: 06/04/2014] [Accepted: 06/10/2014] [Indexed: 06/03/2023]
Abstract
BACKGROUND Plants from West Africa commonly used in both human and veterinary medicine contain various secondary metabolites. However, their potential in mitigating ruminal methane production has not been explored. This study examined the effects of seven essential oils (EOs) from plants acclimated to Benin at four dosages (100, 200, 300 and 400 mg L(-1)), on in vitro rumen microbial fermentation and methane production using Andropogon gayanus grass as a substrate. RESULTS Compared to control, Laurus nobilis (300-400 mg L(-1) ), Citrus aurantifolia (300-400 mg L(-1)) and Ocimum gratissimum (200-400 mg L(-1)) decreased (P < 0.05) methane production (mL g(-1) DM) by 8.1-11.8%, 11.9-17.8% and 7.9-30.6%, respectively. Relative to the control, reductions in methane (mL g(-1) DM) of 11.4%, 13.5% and 14.2% were only observed at 400 mg L(-1) for Eucalyptus citriodora, Ocimum basilicum and Cymbopogon citratus, respectively. These EOs lowered methane without reducing concentrations of total volatile fatty acids or causing a shift from acetate to propionate production. All EOs (except M. piperita) reduced (P < 0.05) apparent dry matter (DM) disappearance of A. gayanus. CONCLUSIONS The current study demonstrated that EOs from plants grown in Benin inhibited in vitro methane production mainly through a reduction in apparent DM digestibility.
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Affiliation(s)
- Jacques B Kouazounde
- Agriculture and Agri-Food Canada, Lethbridge Research Centre, P.O. Box 3000, Lethbridge, AB, Canada T1J 4B1
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Roy D, Tomar SK, Kumar V. Rumen modulatory effect of thyme, clove and peppermint oils in vitro using buffalo rumen liquor. Vet World 2015; 8:203-7. [PMID: 27047073 PMCID: PMC4774704 DOI: 10.14202/vetworld.2015.203-207] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2014] [Revised: 01/02/2015] [Accepted: 01/09/2015] [Indexed: 11/16/2022] Open
Abstract
AIM The present study was conducted to examine the rumen modulatory effect of thyme, clove and peppermint oils on rumen fermentation pattern in vitro using roughage based diet. MATERIALS AND METHODS Thyme, clove and peppermint oils were tested at concentration of 0, 30, 300 and 600 mg/l (ppm) of total culture fluid using in vitro gas production technique in wheat straw based diet (concentrate: Wheat straw 50:50). Different in vitro parameters e.g., total gas production, methane production, nutrient degradability, volatile fatty acid (VFA) production and ammonia nitrogen concentration were studied using buffalo rumen liquor. RESULTS Thyme oil at higher dose level (600 ppm) reduced (p<0.05) total gas production, feed degradability and ammonia nitrogen (NH3-N) concentration whereas total VFA concentration was significantly lower (p>0.05) in 300 and 600 ppm dose levels. 600 ppm dose level of clove oil reduced (p<0.05) total gas production, feed degradability, total VFA and acetate to propionate ratio. Methane production was significantly reduced (p<0.05) in 300 and 600 ppm dose levels of clove and peppermint oil. CONCLUSION Right combination of these essential oils may prove to enhance performance of animals by reducing methane production and inhibiting protein degradation in rumen.
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Affiliation(s)
- Debashis Roy
- Department of Animal Nutrition, College of Veterinary Science and Animal Husbandry, Uttar Pradesh Pandit Deen Dayal Upadhyaya Pashu Chikitsa Vigyan Vishwavidyalaya Evam Go Anusandhan Sansthan (DUVASU), Mathura, Uttar Pradesh, India
| | - S K Tomar
- Dairy Cattle Nutrition Division, National Dairy Research Institute, Karnal, India
| | - Vinod Kumar
- Department of Animal Nutrition, College of Veterinary Science and Animal Husbandry, Uttar Pradesh Pandit Deen Dayal Upadhyaya Pashu Chikitsa Vigyan Vishwavidyalaya Evam Go Anusandhan Sansthan (DUVASU), Mathura, Uttar Pradesh, India
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Ozkan C, Kamalak A, Atalay A, Tatliyer A, Kaya E. Effect of peppermint (Mentha piperita) essential oil on rumen microbial fermentation of barley grain. JOURNAL OF APPLIED ANIMAL RESEARCH 2014. [DOI: 10.1080/09712119.2014.963101] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Wanapat M, Kang S, Khejornsart P, Wanapat S. Effects of plant herb combination supplementation on rumen fermentation and nutrient digestibility in beef cattle. ASIAN-AUSTRALASIAN JOURNAL OF ANIMAL SCIENCES 2014; 26:1127-36. [PMID: 25049893 PMCID: PMC4093230 DOI: 10.5713/ajas.2013.13013] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 01/06/2013] [Revised: 04/23/2013] [Accepted: 03/27/2013] [Indexed: 11/27/2022]
Abstract
Four rumen-fistulated crossbred beef cattle (Brahman native) were randomly assigned according to a 4×4 Latin square design experiment to be fed plant herb supplements in their concentrate mixture. The treatments were: without herb supplementation (Control), lemongrass meal supplementation at 100 g/d (L), lemongrass meal supplementation at 100 g/d plus peppermint powder at 10 g/d (LP), and lemongrass meal supplementation at 100 g/d plus peppermint powder at 10 g/d with garlic powder 40 g/d (LPG), respectively. Based on the present study, the DMI and apparent digestibility of DM, OM, aNDF and ADF were not affected by dietary herb supplementation while CP digestibility tended to be decreased by herb supplement. Moreover, NH3-N and BUN were decreased in all herb supplemented treatments and there was a tendency to an increase in ruminal pH in all herb supplemented groups. While there was no change in TVFA and C4 among lemongrass treatments, C2 was decreased in all herb supplemented treatments while C3 was increased. Methane production by calculation was the lowest in the LP and LPG groups. Population sizes of bacteria and protozoa were decreased in all herb supplemented groups, but not fungal zoospores. In all supplemented groups, total viable and proteolytic bacteria were decreased, while amylolytic and cellulolytic bacteria were similar. More importantly, in all herb supplemented groups, there were higher N balances, while there was no difference among treatments on purine derivative (PD) excretion or microbial N. Based on the results above, it could be concluded that there was no negative effect on ruminal fermentation characteristics and nutrient utilization by plant herb supplement, but protozoal population and CH4 production were reduced. Thus, lemongrass alone or in combination with peppermint and garlic powder could be used as feed additives to improve rumen fermentation efficiency.
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Affiliation(s)
- M Wanapat
- Tropical Feed Resources Research and Development Center (TROFREC), Department of Animal Science, Faculty of Agriculture, Khon Kaen University, Khon Kaen 40002, Thailand
| | - S Kang
- Tropical Feed Resources Research and Development Center (TROFREC), Department of Animal Science, Faculty of Agriculture, Khon Kaen University, Khon Kaen 40002, Thailand
| | - P Khejornsart
- Tropical Feed Resources Research and Development Center (TROFREC), Department of Animal Science, Faculty of Agriculture, Khon Kaen University, Khon Kaen 40002, Thailand
| | - S Wanapat
- Tropical Feed Resources Research and Development Center (TROFREC), Department of Animal Science, Faculty of Agriculture, Khon Kaen University, Khon Kaen 40002, Thailand
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Thao NT, Wanapat M, Cherdthong A, Kang S. Effects of eucalyptus crude oils supplementation on rumen fermentation, microorganism and nutrient digestibility in swamp buffaloes. ASIAN-AUSTRALASIAN JOURNAL OF ANIMAL SCIENCES 2014; 27:46-54. [PMID: 25049925 PMCID: PMC4093290 DOI: 10.5713/ajas.2013.13301] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 05/29/2013] [Revised: 11/01/2013] [Accepted: 09/26/2013] [Indexed: 11/27/2022]
Abstract
This study was conducted to investigate the effects of eucalyptus (E. Camaldulensis) crude oils (EuO) supplementation on voluntary feed intake and rumen fermentation characteristics in swamp buffaloes. Four rumen fistulated swamp buffaloes, body weight (BW) of 420±15.0 kg, were randomly assigned according to a 2×2 factorial arrangement in a 4×4 Latin square design. The dietary treatments were untreated rice straw (RS) without EuO (T1) and with EuO (T2) supplementation, and 3% urea-treated rice straw (UTRS) without EuO (T3) and with EuO (T4) supplementation. The EuO was supplemented at 2 mL/h/d in respective treatment. Experimental animals were kept in individual pens and concentrate mixture was offered at 3 g/kg BW while roughage was fed ad libitum. Total dry matter and roughage intake, and apparent digestibilites of organic matter and neutral detergent fiber were improved (p<0.01) by UTRS. There was no effect of EuO supplementation on feed intake and nutrient digestibility. Ruminal pH and temperature were not (p>0.05) affected by either roughage sources or EuO supplementation. However, buffaloes fed UTRS had higher ruminal ammonia nitrogen and blood urea nitrogen as compared with RS. Total volatile fatty acid and butyrate proportion were similar among treatments, whereas acetate was decreased and propionate molar proportion was increased by EuO supplementation. Feeding UTRS resulted in lower acetate and higher propionate concentration compared to RS. Moreover, supplementation of EuO reduced methane production especially in UTRS treatment. Protozoa populations were reduced by EuO supplementation while fungi zoospores remained the same. Total, amylolytic and cellulolytic bacterial populations were increased (p<0.01) by UTRS; However, EuO supplementation did not affect viable bacteria. Nitrogen intake and in feces were found higher in buffaloes fed UTRS. A positive nitrogen balance (absorption and retention) was in buffaloes fed UTRS. Supplementation of EuO did not affect nitrogen utilization. Both allantoin excretion and absorption and microbial nitrogen supply were increased by UTRS whereas efficiency of microbial protein synthesis was similar in all treatments. Findings of present study suggested that EuO could be used as a feed additive to modify the rumen fermentation in reducing methane production both in RS and UTRS. Feeding UTRS could improve feed intake and efficiency of rumen fermentation in swamp buffaloes. However, more research is warranted to determine the effect of EuO supplementation in production animals.
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Affiliation(s)
- N T Thao
- Department of Animal Science and Veterinary Medicine, An Giang University, An Giang, Vietnam ; Tropical Feed Resources Research and Development Center, (TROFREC), Department of Animal Science, Faculty of Agriculture, Khon Kaen University, Khon Kaen 40002, Thailand
| | - M Wanapat
- Tropical Feed Resources Research and Development Center, (TROFREC), Department of Animal Science, Faculty of Agriculture, Khon Kaen University, Khon Kaen 40002, Thailand
| | - A Cherdthong
- Tropical Feed Resources Research and Development Center, (TROFREC), Department of Animal Science, Faculty of Agriculture, Khon Kaen University, Khon Kaen 40002, Thailand
| | - S Kang
- Tropical Feed Resources Research and Development Center, (TROFREC), Department of Animal Science, Faculty of Agriculture, Khon Kaen University, Khon Kaen 40002, Thailand
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Lee KY, Kim KH, Baek YC, Ok JU, Seol YJ, Han KJ, Park KK, Ryu HT, Lee SS, Jeon CO, Oh YK. Effects of Mustard Seeds and Powder on In vitro Ruminal Fermentation Characteristics and Methane Production. JOURNAL OF ANIMAL SCIENCE AND TECHNOLOGY 2013. [DOI: 10.5187/jast.2013.55.1.25] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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A meta-analysis of effects of chemical composition of incubated diet and bioactive compounds on in vitro ruminal fermentation. Anim Feed Sci Technol 2012. [DOI: 10.1016/j.anifeedsci.2012.07.008] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Effects of essential oils on methane production and fermentation by, and abundance and diversity of, rumen microbial populations. Appl Environ Microbiol 2012; 78:4271-80. [PMID: 22492451 DOI: 10.1128/aem.00309-12] [Citation(s) in RCA: 198] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Five essential oils (EOs), namely, clove oil (CLO), eucalyptus oil (EUO), garlic oil (GAO), origanum oil (ORO), and peppermint oil (PEO), were tested in vitro at 3 different doses (0.25, 0.50, and 1.0 g/liter) for their effect on methane production, fermentation, and select groups of ruminal microbes, including total bacteria, cellulolytic bacteria, archaea, and protozoa. All the EOs significantly reduced methane production with increasing doses, with reductions by 34.4%, 17.6%, 42.3%, 87%, and 25.7% for CLO, EUO, GAO, ORO, and PEO, respectively, at 1.0 g/liter compared with the control. However, apparent degradability of dry matter and neutral detergent fiber also decreased linearly with increasing doses by all EOs except GAO. The concentrations of total volatile fatty acids were not affected by GAO, EUO, or PEO but altered linearly and quadratically by CLO and ORO, respectively. All the EOs also differed in altering the molar proportions of acetate, propionate, and butyrate. As determined by quantitative real-time PCR, all the EOs decreased the abundance of archaea, protozoa, and major cellulolytic bacteria (i.e., Fibrobacter succinogenes, Ruminococcus flavefaciens, and R. albus) linearly with increasing EO doses. On the basis of denaturing gradient gel electrophoresis analysis, different EOs changed the composition of both archaeal and bacterial communities to different extents. The Shannon-Wiener diversity index (H') was reduced for archaea by all EOs in a dose-dependent manner but increased for bacteria at low and medium doses (0.25 and 0.50 g/liter) for all EOs except ORO. Due to the adverse effects on feed digestion and fermentation at high doses, a single EO may not effectively and practically mitigate methane emission from ruminants unless used at low doses in combinations with other antimethanogenic compounds.
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Patra AK. Enteric methane mitigation technologies for ruminant livestock: a synthesis of current research and future directions. ENVIRONMENTAL MONITORING AND ASSESSMENT 2012; 184:1929-1952. [PMID: 21547374 DOI: 10.1007/s10661-011-2090-y] [Citation(s) in RCA: 77] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2010] [Accepted: 04/14/2011] [Indexed: 05/30/2023]
Abstract
Enteric methane (CH(4)) emission in ruminants, which is produced via fermentation of feeds in the rumen and lower digestive tract by methanogenic archaea, represents a loss of 2% to 12% of gross energy of feeds and contributes to global greenhouse effects. Globally, about 80 million tonnes of CH(4) is produced annually from enteric fermentation mainly from ruminants. Therefore, CH(4) mitigation strategies in ruminants have focused to obtain economic as well as environmental benefits. Some mitigation options such as chemical inhibitors, defaunation, and ionophores inhibit methanogenesis directly or indirectly in the rumen, but they have not confirmed consistent effects for practical use. A variety of nutritional amendments such as increasing the amount of grains, inclusion of some leguminous forages containing condensed tannins and ionophore compounds in diets, supplementation of low-quality roughages with protein and readily fermentable carbohydrates, and addition of fats show promise for CH(4) mitigation. These nutritional amendments also increase the efficiency of feed utilization and, therefore, are most likely to be adopted by farmers. Several new potential technologies such as use of plant secondary metabolites, probiotics and propionate enhancers, stimulation of acetogens, immunization, CH(4) oxidation by methylotrophs, and genetic selection of low CH(4)-producing animals have emerged to decrease CH(4) production, but these require extensive research before they can be recommended to livestock producers. The use of bacteriocins, bacteriophages, and development of recombinant vaccines targeting archaeal-specific genes and cell surface proteins may be areas worthy of investigation for CH(4) mitigation as well. A combination of different CH(4) mitigation strategies should be adopted in farm levels to substantially decrease methane emission from ruminants. Evidently, comprehensive research is needed to explore proven and reliable CH(4) mitigation technologies that would be practically feasible and economically viable while improving ruminant production.
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Affiliation(s)
- Amlan Kumar Patra
- Department of Animal Nutrition, West Bengal University of Animal and Fishery Sciences, 37, K. B. Sarani, Belgachia, Kolkata, 700037, India.
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Zmora P, Cieslak A, Pers-Kamczyc E, Nowak A, Szczechowiak J, Szumacher-Strabel M. Effect ofMentha piperitaL. onin vitrorumen methanogenesis and fermentation. ACTA AGR SCAND A-AN 2012. [DOI: 10.1080/09064702.2012.703228] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Sallam SMA, Abdelgaleil SAM, Bueno ICDS, Nasser MEA, Araujo RC, Abdalla AL. Effect of some essential oils on in vitro methane emission. Arch Anim Nutr 2011; 65:203-14. [PMID: 21776837 DOI: 10.1080/1745039x.2011.568275] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
The objectives of this study were to characterise four essential oils (EO) chemically and to evaluate their effect on ruminal fermentation and methane emission in vitro. The investigated EO were isolated from Achillea santolina, Artemisia judaica, Schinus terebinthifolius and Mentha microphylla, and supplemented at four levels (0, 25, 50 and 75 microl) to 75 ml of buffered rumen fluid plus 0.5 g of substrate. The main components of the EO were piperitone (49.1%) and camphor (34.5%) in A. judaica, 16-dimethyl 15-cyclooactdaiene (60.5%) in A. santolina, piperitone oxide (46.7%) and cis-piperitone oxide (28%) in M. microphylla, and gamma-muurolene (45.3%) and alpha-thujene (16.0%) in S. terebinthifolius. The EO from A. santolina (at 25 and 50 j1), and all levels of A. judaica increased the gas production significantly, but S. terebinthifolius (at 50 and 75 microl), A. santolina (at 75 microl) and all levels of M. microphylla decreased the gas production significantly in comparison with the control. The highest levels of A. santolina and A. judaica, and all doses from M. microphylla EO inhibited the methane production along with a significant reduction in true degradation of dry matter and organic matter, protozoa count and NH3-N concentration. It is concluded that the evaluated EO have the potential to affect ruminal fermentation efficiency and the EO from M. microphylla could be a promising methane mitigating agent.
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Araujo R, Pires A, Mourão G, Abdalla A, Sallam S. Use of blanks to determine in vitro net gas and methane production when using rumen fermentation modifiers. Anim Feed Sci Technol 2011. [DOI: 10.1016/j.anifeedsci.2011.04.009] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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Patra AK, Saxena J. A new perspective on the use of plant secondary metabolites to inhibit methanogenesis in the rumen. PHYTOCHEMISTRY 2010; 71:1198-222. [PMID: 20570294 DOI: 10.1016/j.phytochem.2010.05.010] [Citation(s) in RCA: 237] [Impact Index Per Article: 16.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2009] [Revised: 05/10/2010] [Accepted: 05/11/2010] [Indexed: 05/09/2023]
Abstract
Recently, greenhouse gas emissions have been of great concern globally. Ruminant livestock due to production of methane during normal fermentation in the rumen contributes substantially to the greenhouse effects. During the recent decade, a paradigm shift has been initiated whether plant secondary metabolites (PSM) could be exploited as natural safe feed additives alternative to chemical additives to inhibit enteric methanogenesis. More than 200,000 defined structures of PSM have been known. Some plants or their extracts with high concentrations of bioactive PSM such as saponins, tannins, essential oils, organosulphur compounds, flavonoids and many other metabolites appear to have potential to inhibit methane production in the rumen. The possible mechanisms and effects of many PSM on rumen methanogenesis are not clearly understood. Saponins may decrease methanogenesis through the inhibition of rumen protozoa and in turn may suppress the numbers and activity of methanogens. Although the direct effect of saponins on methanogens has not been demonstrated, saponins might inhibit methanogens at high doses. Tannins may inhibit the methanogenesis directly and also via inhibition of protozoal growth. Essential oils, organosulphur compounds and flavonoids appear to have direct effects against methanogens, and a reduction of protozoa associated methanogenesis probably plays a minor role for these metabolites. The chemical structure and molecular weight of the PSM and chemical composition of diets dependent upon the different feeding regimes may influence the effects of PSM on methane production. Although PSM may negatively affect nutrient utilization, there is evidence that methanogenesis could be suppressed without adversely affecting rumen fermentation, which could be exploited to mitigate methane emission in ruminants.
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Affiliation(s)
- Amlan K Patra
- Department of Animal Nutrition, Faculty of Veterinary and Animal Sciences, West Bengal University of Animal and Fishery Sciences, Belgachia, Kolkata 700037, India.
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Patra AK, Kamra DN, Agarwal N. Effects of extracts of spices on rumen methanogenesis, enzyme activities and fermentation of feeds in vitro. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2010; 90:511-520. [PMID: 20355074 DOI: 10.1002/jsfa.3849] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
BACKGROUND An experiment was conducted to study the effects of boiling water, methanol and ethanol extracts (0, 0.25 and 0.50 mL) of seeds of Foeniculum vulgare (fennel), flower buds of Syzygium aromaticum (clove), bulbs of Allium sativum (garlic), bulbs of Allium cepa (onion) and roots of Zingiber officinalis (ginger) on rumen methanogenesis, fibrolytic enzyme activities and fermentation characteristics in vitro. RESULTS Ethanol and methanol extracts of fennel, clove and garlic at 0.50 mL and clove at 0.25 mL inhibited (P < 0.05) methane production. Carboxymethylcellulase activity was reduced (P < 0.05) by ethanol and methanol extracts (0.50 mL) of fennel and clove (0.25 and 0.50 mL). The extracts of clove reduced (0.25 and 0.50 mL) xylanase and acetylesterase activities, and the fennel extract (0.50 mL) reduced (P < 0.05) xylanase activity. However, the extracts of garlic (0.50 mL) increased (P < 0.05) acetylesterase activity. Concentrations of volatile fatty acids were reduced (P < 0.05) by the extracts of garlic and onion. The extracts of garlic caused a decrease (P < 0.05) in acetate:propionate ratio (A:P) at 0.50 mL, whereas A:P was increased (P < 0.05) by the inclusion of 0.50 mL extracts of clove. Methanol and ethanol extracts of clove decreased (P < 0.05) in vitro organic matter degradability. Extracts (0.50 mL) of clove decreased (P < 0.05) the numbers of total protozoa, small entodiniomorphs and holotrichs, whereas extracts of onion, ginger and garlic enhanced (P < 0.05) protozoal numbers (both entodiniomorphs and holotrichs). CONCLUSION Ethanol and methanol extracts of fennel and garlic have potential to inhibit rumen methanogenesis without adversely affecting rumen fermentation.
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Affiliation(s)
- Amlan Kumar Patra
- Centre of Advanced Studies in Animal Nutrition, Rumen Microbiology Lab, Indian Veterinary Research Institute, Izatnagar, Bareilly, UP 243122, India. patra
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Patra AK, Saxena J. Dietary phytochemicals as rumen modifiers: a review of the effects on microbial populations. Antonie van Leeuwenhoek 2009; 96:363-75. [PMID: 19582589 DOI: 10.1007/s10482-009-9364-1] [Citation(s) in RCA: 155] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/22/2009] [Accepted: 05/27/2009] [Indexed: 10/20/2022]
Abstract
In the recent years, the exploration of bioactive phytochemicals as natural feed additives has been of great interest among nutritionists and rumen microbiologists to modify the rumen fermentation favorably such as defaunation, inhibition of methanogenesis, improvement in protein metabolism, and increasing conjugated linoleic acid content in ruminant derived foods. Many phytochemicals such as saponins, essential oils, tannins and flavonoids from a wide range of plants have been identified, which have potential values for rumen manipulation and enhancing animal productivity as alternatives to chemical feed additives. However, their effectiveness in ruminant production has not been proved to be consistent and conclusive. This review discusses the effects of phytochemicals such as saponins, tannins and essential oils on the rumen microbial populations, i.e., bacteria, protozoa, fungi and archaea with highlighting molecular diversity of microbial community in the rumen. There are contrasting reports of the effects of these phytoadditives on the rumen fermentation and rumen microbes probably depending upon the interactions among the chemical structures and levels of phytochemicals used, nutrient composition of diets and microbial components in the rumen. The study of chemical structure-activity relationships is required to exploit the phytochemicals for obtaining target responses without adversely affecting beneficial microbial populations. A greater understanding of the modulatory effects of phytochemicals on the rumen microbial populations together with fermentation will allow a better management of the rumen ecosystem and a practical application of this feed additive technology in livestock production.
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Affiliation(s)
- Amlan K Patra
- Department of Animal Nutrition, Faculty of Veterinary and Animal Sciences, West Bengal University of Animal and Fishery Sciences, 37, K. B. Sarani, Belgachia, Kolkata, India.
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