Effect of camelina oil or live yeasts (Saccharomyces cerevisiae) on ruminal methane production, rumen fermentation, and milk fatty acid composition in lactating cows fed grass silage diets

Bayat, A.R.; Kairenius, P.; Stefański, T.; Leskinen, H.; Comtet-Marre, S.; Forano, E.; Chaucheyras-Durand, F.; Shingfield, K.J.

doi:10.3168/jds.2014-7976

Cited by 118Ruminant Nutrition and Digestive PhysiologyAnimal Nutrition and PhysiologyAnaerobic Digestion and Biogas Production

Effect of camelina oil or live yeasts (Saccharomyces cerevisiae) on ruminal methane production, rumen fermentation, and milk fatty acid composition in lactating cows fed grass silage diets

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Bayat, A.R., Kairenius, P., Stefański, T., Leskinen, H., Comtet-Marre, S., Forano, E., Chaucheyras-Durand, F., Shingfield, K.J.·2015·Journal of Dairy Science

DOI 10.3168/jds.2014-7976

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Abstract

The potential of dietary supplements of 2 live yeast strains (Saccharomyces cerevisiae) or camelina oil to lower ruminal methane (CH4) and carbon dioxide (CO2) production and the associated effects on animal performance, rumen fermentation, rumen microbial populations, nutrient metabolism, and milk fatty acid (FA) composition of cows fed grass silage-based diets were examined. Four Finnish Ayrshire cows (53±7 d in milk) fitted with rumen cannula were used in a 4×4 Latin square with four 42-d periods. Cows received a basal total mixed ration (control treatment) with a 50:50 forage-to-concentrate ratio [on a dry matter (DM) basis] containing grass silage, the same basal total mixed ration supplemented with 1 of 2 live yeasts, A or B, administered directly in the rumen at 10(10) cfu/d (treatments A and B), or supplements of 60g of camelina oil/kg of diet DM that replaced concentrate ingredients in the basal total mixed ration (treatment CO). Relative to the control, treatments A and B had no effects on DM intake, rumen fermentation, ruminal gas production, or apparent total-tract nutrient digestibility. In contrast, treatment CO lowered DM intake and ruminal CH4 and CO2 production, responses associated with numerical nonsignificant decreases in total-tract organic matter digestibility, but no alterations in rumen fermentation characteristics or changes in the total numbers of rumen bacteria, methanogens, protozoa, and fungi. Compared with the control, treatment CO decreased the yields of milk, milk fat, lactose, and protein. Relative to treatment B, treatment CO improved nitrogen utilization due to a lower crude protein intake. Treatment A had no influence on milk FA composition, whereas treatment B increased cis-9 10:1 and decreased 11-cyclohexyl 11:0 and 24:0 concentrations. Treatment CO decreased milk fat 8:0 to 16:0 and total saturated FA, and increased 18:0, 18:1, 18:2, conjugated linoleic acid, 18:3n-3, and trans FA concentrations. Decreases in ruminal CH4 production to treatment CO were related, at least in part to lowered DM intake, whereas treatments had no effect on ruminal CH4 emission intensity (g/kg of digestible organic matter intake or milk yield). Results indicated that live yeasts A and B had no influence on animal performance, ruminal gas production, rumen fermentation, or nutrient utilization in cows fed grass silage-based diets. Dietary supplements of camelina oil decreased ruminal CH4 and CO2 production, but also lowered the yields of milk and milk constituents due to an adverse effect on intake.

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Variable effects of vegetable oils and unsaturated fatty acids on CH4 emission might be associated with the double bond number per fatty acid, type of oil, and roughage-to-concentrate ratio of the rations.
“Variable effects of vegetable oils and unsaturated FA on CH4 emission might be associated with the double bond number per FA, type of oil (free oil or whole seed), and composition (roughage-to-concentrate ratio) of the rations (134).”
From Phytogenic Additives Can Modulate Rumen Microbiome to Mediate Fermentation Kinetics and Methanogenesis Through Exploiting Diet–Microbe Interaction (2020) · cites this paper as [134]

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Szczechowiak, J., Szumacher‐Strabel, M., El‐Sherbiny, M., Pers‐Kamczyc, E., Pawlak, P., & Cieślak, A. (2016) · Animal Feed Science and Technology · doi:10.1016/j.anifeedsci.2016.03.014 · Cited by 92 · see citing works
Management of Enteric Methane Emissions in Ruminants Using Feed Additives: A Review
Palangı, V., & Lackner, M. K. (2022) · Animals · doi:10.3390/ani12243452 · Cited by 83 · see citing works
“[76] found no significant decrease in CH4 output or CH4/DMI in dairy cattle using active dry yeast supplementation at the dosage of 0.”
Background
Milk Fat Globule in Ruminant: Major and Minor Compounds, Nutritional Regulation and Differences Among Species
Bernard, L., Bonnet, M., Delavaud, C., Delosière, M., Ferlay, A., Fougere, H., & Graulet, B. (2018) · European Journal of Lipid Science and Technology · doi:10.1002/ejlt.201700039 · Cited by 81 · see citing works
Effects of bacterial direct-fed microbials on ruminal characteristics, methane emission, and milk fatty acid composition in cows fed high- or low-starch diets
Philippeau, C., Lettat, A., Martin, C., Silberberg, M., Morgavi, D., Ferlay, A., Berger, C., & Nozière, P. (2017) · Journal of Dairy Science · doi:10.3168/jds.2016-11663 · Cited by 78 · see citing works
“In agreement with previous results obtained with other DFM such as S. cerevisiae (Longuski et al., 2009; Hristov et al., 2010; Bayat et al., 2015), bacterial DFM supplementation slightly modified the milk FA profile irrespective of the diet.”
Result
Methane production and estimation from livestock husbandry: A mechanistic understanding and emerging mitigation options
Kumari, S., Fagodiya, R. K., Hiloidhari, M., Dahiya, R. P., & Kumar, A. (2019) · The Science of The Total Environment · doi:10.1016/j.scitotenv.2019.136135 · Cited by 71 · see citing works
Combined effects of 3-nitrooxypropanol and canola oil supplementation on methane emissions, rumen fermentation and biohydrogenation, and total tract digestibility in beef cattle
Zhang, X. M., Smith, M. L., Gruninger, R. J., Kung, L., Vyas, D., McGinn, S. M., Kindermann, M., Wang, M., Tan, Z. L., & Beauchemin, K. A. (2021) · Journal of Animal Science · doi:10.1093/jas/skab081 · Cited by 65 · see citing works
Review: The effects of dietary yeast and yeast-derived extracts on rumen microbiota and their function
Baker, L. M., Kraft, J., Karnezos, T. P., & Greenwood, S. L. (2022) · Animal Feed Science and Technology · doi:10.1016/j.anifeedsci.2022.115476 · Cited by 62 · see citing works
Dietary forage to concentrate ratio and sunflower oil supplement alter rumen fermentation, ruminal methane emissions, and nutrient utilization in lactating cows1
Bayat, A. R., Ventto, L., Kairenius, P., Stefański, T., Leskinen, H., Tapio, I., Negussie, E., Vilkki, J., & Shingfield, K. J. (2017) · Translational Animal Science · doi:10.2527/tas2017.0032 · Cited by 59 · see citing works
“Translate basic science to industry innovation riod) using the sulfur hexafluoride (SF6) tracer technique (Boadi et al., 2002) with minor modifications described earlier by Bayat et al. (2015).”
Method
Rumen Fermentation Characteristics in Pre- and Post-Weaning Calves upon Feeding with Mulberry Leaf Flavonoids and Candida tropicalis Individually or in Combination as a Supplement
Kong, L., Yang, C., Dong, L., Diao, Q., Si, B., Ma, J., & Tu, Y. (2019) · Animals · doi:10.3390/ani9110990 · Cited by 57 · see citing works
“[35] demonstrated no influence of yeast on rumen VFA concentrations for lactating cows fed grass silage diets.”
BackgroundResult
Methane and nitrous oxide emissions from Canadian dairy farms and mitigation options: An updated review
Jayasundara, S., Appuhamy, R., Kebreab, E., & Wagner‐Riddle, C. (2016) · Canadian Journal of Animal Science · doi:10.1139/cjas-2015-0111 · Cited by 57 · see citing works
“In a study using lactating cows in Finland (four cows per treatment), Bayat et al. (2015) supplemented two yeast strains to diets having the same forage (solely grass silage) content as the diets in Chung et al. (2011) but with less starch (12% vs. 28% of DM) and greater NDF (40.1% vs. 33.1% of DM)…”
BackgroundMethodInfluential
False flax (Camelina sativa) seed oil as suitable ingredient for the enhancement of physicochemical and biological properties of chitosan films
Gürsoy, M., Sargın, İ., Mujtaba, M., Akyuz, B., İlk, S., Akyüz, L., Kaya, M., Çakmak, Y. S., Salaberria, A. M., Labidi, J., et al. (2018) · International Journal of Biological Macromolecules · doi:10.1016/j.ijbiomac.2018.04.029 · Cited by 48 · see citing works
Supplementation of live yeast based feed additive in early life promotes rumen microbial colonization and fibrolytic potential in lambs
Chaucheyras‐Durand, F., Ameilbonne, A., Auffret, P., Bernard, M., Mialon, M., Dunière, L., & Forano, É. (2019) · Scientific Reports · doi:10.1038/s41598-019-55825-0 · Cited by 47 · see citing works
Feeding Canola, Camelina, and Carinata Meals to Ruminants
de Paula, E. M., da Silva, L. G., Brandao, V. L. N., Dai, X., & Faciola, A. P. (2019) · Animals · doi:10.3390/ani9100704 · Cited by 46 · see citing works
“Dietary inclusion of camelina oil up to 6% also did not have a major influence on ruminal fermentation in lactating cows [85,86].”
Background
Use of Camelina sativa and By-Products in Diets for Dairy Cows: A Review
Rıaz, R., Ahmed, İ., Sızmaz, Ö., & Ahsan, U. (2022) · Animals · doi:10.3390/ani12091082 · Cited by 42 · see citing works
Garlic and Its Bioactive Compounds: Implications for Methane Emissions and Ruminant Nutrition
Sari, N. F., Ray, P. P., Rymer, C., Kliem, K. E., & Stergiadis, S. (2022) · Animals · doi:10.3390/ani12212998 · Cited by 39 · see citing works
Effect of incremental amounts of camelina oil on milk fatty acid composition in lactating cows fed diets based on a mixture of grass and red clover silage and concentrates containing camelina expeller
Halmemies‐Beauchet‐Filleau, A., Shingfield, K. J., Simpura, I., Kokkonen, T., Jaakkola, S., Toivonen, V., & Vanhatalo, A. (2016) · Journal of Dairy Science · doi:10.3168/jds.2016-11438 · Cited by 35 · see citing works
“…g of FA in cows fed dietary supplements of camelina meal and camelina expeller (Mihhejev et al., 2007; Hur-taud and Peyraud, 2007; Halmemies-Beauchet-Filleau et al., 2011), but not in response to camelina oil (17 to 24 g/100 g of FA; Halmemies-Beauchet-Filleau et al., 2011; Bayat et al., 2015).”
BackgroundMethodResultInfluential
Environmental efficiency of Saccharomyces cerevisiae on methane production in dairy and beef cattle via a meta-analysis
Darabighane, B., Salem, A. Z. M., Aghjehgheshlagh, F. M., Mahdavi, A., Zarei, A., Elghandour, M. M. M. Y., & López, S. (2018) · Environmental Science and Pollution Research · doi:10.1007/s11356-018-3878-x · Cited by 35 · see citing works
Effect of active dry yeast on lactation performance, methane production, and ruminal fermentation patterns in early-lactating Holstein cows
Li, Y., Shen, Y., Niu, J., Guo, Y., Pauline, M. L., Zhao, X., Li, Q., Cao, Y., Bi, C., Zhang, X., et al. (2020) · Journal of Dairy Science · doi:10.3168/jds.2020-18594 · Cited by 35 · see citing works
Methane Emission: Strategies to Reduce Global Warming in Relation to Animal Husbandry Units with Emphasis on Ruminants
Seyedin, S. M. V., Zeidi, A., Chamanehpour, E., Nasri, M. H. F., & Vargas‐Bello‐Pérez, E. (2022) · Sustainability · doi:10.3390/su142416897 · Cited by 35 · see citing works
Active dry yeast supplementation benefits ruminal fermentation, bacterial community, blood immunoglobulins, and growth performance in young dairy goats, but not for intermittent supplementation
Zhang, J., Yang, Y., Lei, X., Wang, Y., Lǐ, Y., Zhi-qiang, Y., & Yao, J. (2023) · Animal nutrition · doi:10.1016/j.aninu.2023.02.001 · Cited by 33 · see citing works
“As in previous studies (Bayat et al., 2015; Phesatcha et al., 2021), we found an increase in DMI with ADY supplementation.”
Result
Effect of unconventional oilseeds (safflower, poppy, hemp, camelina) on <i>in vitro</i> ruminal methane production and fermentation
Wang, S., Kreuzer, M., Braun, U., & Schwarm, A. (2017) · Journal of the Science of Food and Agriculture · doi:10.1002/jsfa.8260 · Cited by 32 · see citing works
Effects of dietary supplementation of active dried yeast on fecal methanogenic archaea diversity in dairy cows
Jin, D., Kang, K., Wang, H., Wang, Z., Bai, X., Wang, L., Feng, X., & Peng, Q. (2017) · Anaerobe · doi:10.1016/j.anaerobe.2017.02.007 · Cited by 32 · see citing works
Yeast (Saccharomyces cerevisiae) Culture Promotes the Performance of Fattening Sheep by Enhancing Nutrients Digestibility and Rumen Development
Wang, J., Zhao, G., Zhuang, Y., Chai, J., & Zhang, N. (2022) · Fermentation · doi:10.3390/fermentation8120719 · Cited by 34 · see citing works
“Similarly, Bayat [33] and Kawas [34] found that dietary YC had no effect on the growth performance of dairy cows and lambs.”
Background
Effect of yeast supplementation on performance, rumination time, and rumen pH of dairy cows in commercial farm environments
Ambriz-Vilchis, V., JESSOP, N. S., Fawcett, R. H., Webster, M., Shaw, D. J., Walker, N. D., & Macrae, A. (2017) · Journal of Dairy Science · doi:10.3168/jds.2016-12346 · Cited by 26 · see citing works
Microbial feed additives in ruminant feeding
KHOLIF, A. E., Anele, A., & Anele, U. Y. (2024) · AIMS Microbiology · doi:10.3934/microbiol.2024026 · Cited by 26 · see citing works
FibroChip, a Functional DNA Microarray to Monitor Cellulolytic and Hemicellulolytic Activities of Rumen Microbiota
Comtet-Marre, S., Chaucheyras‐Durand, F., Bouzid, O., Mosoni, P., Bayat, A. R., Peyret, P., & Forano, É. (2018) · Frontiers in Microbiology · doi:10.3389/fmicb.2018.00215 · Cited by 26 · see citing works
“Details of the diet fed have been reported previously (Bayat et al., 2015).”
Changed Rumen Fermentation, Blood Parameters, and Microbial Population in Fattening Steers Receiving a High Concentrate Diet with Saccharomyces cerevisiae Improve Growth Performance
Phesatcha, K., Phesatcha, B., Chunwijitra, K., Wanapat, M., & Cherdthong, A. (2021) · Veterinary Sciences · doi:10.3390/vetsci8120294 · Cited by 24 · see citing works
Mitigation strategies for methane emissions in ruminant livestock: a comprehensive review of current approaches and future perspectives
Malyugina, S., Holik, S., & Horký, P. (2025) · Frontiers in Animal Science · doi:10.3389/fanim.2025.1610376 · Cited by 33 · see citing works
The influence of diet supplementation with Saccharomyces cerevisiae or Saccharomyces cerevisiae plus Aspergillus oryzae on milk yield of Cilentana grazing dairy goats
Zicarelli, F., Addi, L., Tudisco, R., Calabrò, S., Lombardi, P., Cutrignelli, M. I., Moniello, G., Grossi, M., Tozzi, B., Musco, N., et al. (2015) · Small Ruminant Research · doi:10.1016/j.smallrumres.2015.12.018 · Cited by 23 · see citing works
Changes in Digestive Microbiota, Rumen Fermentations and Oxidative Stress around Parturition Are Alleviated by Live Yeast Feed Supplementation to Gestating Ewes
Dunière, L., Esparteiro, D., Lebbaoui, Y., Ruiz, P., Bernard, M., Thomas, A., Durand, D., Forano, É., & Chaucheyras‐Durand, F. (2021) · Journal of Fungi · doi:10.3390/jof7060447 · Cited by 22 · see citing works
A meta-analysis of probiotic interventions to mitigate ruminal methane emissions in cattle: implications for sustainable livestock farming
Ncho, C. M., Kim, S.-H., Rang, S. A., & Lee, S. S. (2024) · animal · doi:10.1016/j.animal.2024.101180 · Cited by 24 · see citing works
Effects of Starch Level and a Mixture of Sunflower and Fish Oils on Nutrient Intake and Digestibility, Rumen Fermentation, and Ruminal Methane Emissions in Dairy Cows
Darabighane, B., Tapio, I., Ventto, L., Kairenius, P. K., Stefański, T., Leskinen, H. M., Shingfield, K. J., Vilkki, J., & Bayat, A. R. (2021) · Animals · doi:10.3390/ani11051310 · Cited by 20 · see citing works
“The lack of oil supplementation effect on nutrient digestibility, with exception of CP and GE digestibility is consistent with some previous findings [14,37,38].”
MethodResult
The roles of phytogenic feed additives, trees, shrubs, and forages on mitigating ruminant methane emission
Bature, I., Wu, X., Yang, F., Liang, Z., Yang, C., Jing, L., Xu, S., & Ding, X. (2024) · Frontiers in Veterinary Science · doi:10.3389/fvets.2024.1475322 · Cited by 23 · see citing works
Effect of replacing calcium salts of palm oil with camelina seed at 2 dietary ether extract levels on digestion, ruminal fermentation, and nutrient flow in a dual-flow continuous culture system
Brandao, V. L. N., Dai, X., de Paula, E. M., da Silva, L. G., Marcondes, M. I., Shenkoru, T., Poulson, S. R., & Faciola, A. P. (2018) · Journal of Dairy Science · doi:10.3168/jds.2017-13558 · Cited by 18 · see citing works
Effects of peripartal rumen-derived direct-fed microbial supplementation on lactation performance, metabolism, ruminal fermentation, and microbial abundance in dairy cows
Bulnes, M., Bonilla, J., Suazo, M., Michelotti, T. C., Paz, A., Lefler, J., Marotz, C. A., Embree, M. M., Begalli, G. G., Halfen, J., et al. (2024) · Journal of Dairy Science · doi:10.3168/jds.2024-25058 · Cited by 17 · see citing works
Camelina sativa L. Oil Mitigates Enteric in vitro Methane Production, Modulates Ruminal Fermentation, and Ruminal Bacterial Diversity in Buffaloes
Ebeid, H. M., Hassan, F., Li, M., Peng, L., Peng, K., Liang, X., & Yang, C. (2020) · Frontiers in Veterinary Science · doi:10.3389/fvets.2020.00550 · Cited by 17 · see citing works
“Our study observed a little bit lower levels of UFA (83%) in CO as compared to earlier report (87% UFA observed by (25).”
BackgroundResultInfluential
Essential oils as alternatives to chemical feed additives for maximizing livestock production
AKRAM, M., Asghar, M. U., & Jalal, H. (2021) · Journal of the Hellenic Veterinary Medical Society · doi:10.12681/jhvms.26741 · Cited by 17 · see citing works
Through ruminant nutrition to human health: role of fatty acids
Savoini, G., Farina, G., DELL’ORTO, V., & Cattaneo, D. (2016) · Advances in Animal Biosciences · doi:10.1017/s2040470016000133 · Cited by 17 · see citing works
“On the contrary, camelina oil had no effect on ruminal CH4 emission intensity (Bayat et al., 2015).”
Background
Mitigation of greenhouse gas emissions from beef cattle production systems
Samsonstuen, S., Åby, B. A., Crosson, P., Beauchemin, K. A., & Aass, L. (2020) · Acta Agriculturae Scandinavica Section A – Animal Science · doi:10.1080/09064702.2020.1806349 · Cited by 16 · see citing works
“…various phyto-compounds (essential oils, oregano, garlic, green tea extract, condensed and hydrolysable tannins), microbials (live yeast, bacterial direct-fed probiotics), ionophores, dietary lipids, and chemical inhibitors (Hristov et al., 2013; Bayat et al., 2015, 2017; Kolling et al., 2018).”
Background
A live yeast supplementation to gestating ewes improves bioactive molecule composition in colostrum with no impact on its bacterial composition and beneficially affects immune status of the offspring
Dunière, L., Renaud, J. B., Steele, M. A., Achard, C. S., Forano, É., & Chaucheyras‐Durand, F. (2022) · Journal of Nutritional Science · doi:10.1017/jns.2022.3 · Cited by 15 · see citing works
“The total bacteria population was quantified using the qPCR method, with a specific primer set and PCR conditions targeting a ribosomal RNA gene according to Bayat et al.((39)).”
Method
Understanding potential opportunities and risks associated with feeding supplemental rumen available fats to mitigate enteric methane emissions in lactating dairy cows
de Ondarza, M. B., de Souza, V. C., Kebreab, E., & Tricárico, J. M. (2024) · Journal of Dairy Science · doi:10.3168/jds.2023-24528 · Cited by 14 · see citing works
“…supplemental EE (%DM) multiplied by rumen fat accessibility (%EE; Esposito et al., 2020), FA content (%EE) and FA type (% FA) based on several published sources (Bayat et al., 2015; Beauchemin et al., 2009; Hollmann et al., 2012; Hristov et al., 2011; Moallem, 2018; Van Amburgh et al., 2015).”
Background
Performance and milk composition of Holstein cows fed with dried malt bagasse and selenium-enriched Saccharomyces cerevisiae
Faccenda, A., Zambom, M. A., de Ávila, A. S., Schneider, C. R., Werle, C. H., Anschau, F. A., Almeida, A. R. E., Lange, M. J., & dos Santos, G. T. (2020) · Livestock Science · doi:10.1016/j.livsci.2020.104081 · Cited by 14 · see citing works
Yeast Products Mediated Ruminal Subenvironmental Microbiota, and Abnormal Metabolites and Digestive Enzymes Regulated Rumen Fermentation Function in Sheep
Su, M., Wang, H. H., Shi, H., Li, Q., Zhang, Y., Li, T., & Ma, Y. (2022) · Animals · doi:10.3390/ani12223221 · Cited by 14 · see citing works
Assessing the Optimum Level of Supplementation with Camelina Seeds in Ewes’ Diets to Improve Milk Quality
Christodoulou, C., Mavrommatis, A., Mitsiopoulou, C., Symeon, G. K., Dotas, V., Sotirakoglou, Κ., Kotsampasi, B., & Tsiplakou, E. (2021) · Foods · doi:10.3390/foods10092076 · Cited by 14 · see citing works
“Furthermore, supplementing 60 g of Camelina oil/kg of DM in dairy cows’ increased C18:2, ALA, CLA, total C20:0 and C22:0, PUFA, and total trans- FA proportions [26].”
BackgroundInfluential
The Effects of Fermented Cassava Pulp with Yeast Waste and Different Roughage-to-Concentrate Ratios on Rumen Fermentation, Nutrient Digestibility, and Milk Production in Lactating Cows
Dagaew, G., Wongtangtintharn, S., Prachumchai, R., & Cherdthong, A. (2022) · Heliyon · doi:10.1016/j.heliyon.2023.e14585 · Cited by 13 · see citing works
Systematic review and meta-analysis of probiotic use on inflammatory biomarkers and disease prevention in cattle
Barreto, M. O., Soust, M., Moore, R. J., Olchowy, T. W. J., & Alawneh, J. I. (2021) · Preventive Veterinary Medicine · doi:10.1016/j.prevetmed.2021.105433 · Cited by 14 · see citing works
Addition of Active Dry Yeast Could Enhance Feed Intake and Rumen Bacterial Population While Reducing Protozoa and Methanogen Population in Beef Cattle
Phesatcha, K., Chunwijitra, K., Phesatcha, B., Wanapat, M., & Cherdthong, A. (2021) · Fermentation · doi:10.3390/fermentation7030172 · Cited by 13 · see citing works
“[36] determined that yeast did not influence CH4 emissions.”
Background
Effect of Metabolizable Protein Supply on Milk Performance, Ruminal Fermentation, Apparent Total-Tract Digestibility, Energy and Nitrogen Utilization, and Enteric Methane Production of Ayrshire and Holstein Cows
Benchaar, C., Hassanat, F., Beauchemin, K. A., Ouellet, D. R., Lapierre, H., & Côrtes, C. (2023) · Animals · doi:10.3390/ani13050832 · Cited by 12 · see citing works
“To our knowledge, studies on enteric CH4 emissions from Ayrshire cows are scarce [20,21] and none of the existing studies compared emissions from Ayrshire cows versus Holstein cows.”
Result
Effects of live yeast on milk yield, feed efficiency, methane emissions and fertility of high-yielding dairy cows
Garnsworthy, P. C., Saunders, N., Goodman, J. R., Algherair, I., & Ambrose, D. J. (2024) · animal · doi:10.1016/j.animal.2024.101379 · Cited by 12 · see citing works
Comparison of ruminal fermentation parameters, fatty acid composition and flavour of beef in finishing bulls fed active dry yeast (Saccharomyces cerevisiae) and yeast culture
Geng, C., Meng, Q., Ren, L., Zhou, Z., Zhang, M., & Yan, C. (2016) · Animal Production Science · doi:10.1071/an15501 · Cited by 10 · see citing works
The Gut Mycobiome and Animal Health
Summers, K. L., & Arfken, A. M. (2022) · The microbiomes of humans, animals, plants, and the environment · doi:10.1007/978-3-030-90303-9_6 · Cited by 10 · see citing works
Deciphering functional landscapes of rumen microbiota unveils the role of Prevotella bryantii in milk fat synthesis in goats
Yu, L., Zheng, Y., Yan, Y., Zhang, K., Sun, X., Yang, B., Ge, L., Meng, Z., Cao, X., Zhang, X., et al. (2025) · Genome biology · doi:10.1186/s13059-025-03788-z · Cited by 10 · see citing works
“Each sample was divided into four aliquots for analysis of VFAs, nicotinate concentrations, and quantification of PB14 [58] and methanogenic archaea [59] copy numbers.”
Inclusion of Camelina sativa Seeds in Ewes’ Diet Modifies Rumen Microbiota
Christodoulou, C., Mavrommatis, A., Loukovitis, D., Symeon, G. K., Dotas, V., Kotsampasi, B., & Tsiplakou, E. (2023) · Animals · doi:10.3390/ani13030377 · Cited by 9 · see citing works
“[17] did not report any significant alteration when dairy cow diets were supplemented with Camelina oil.”
Background
Nutrient digestibility and ruminal parameters of cattle fed dried brewers grains and Saccharomyces cerevisiae
Faccenda, A., Zambom, M. A., de Ávila, A. S., Garcias, J., Eckstein, E. I., Fornari, J. L., Almeida, K. V., & dos Santos, G. T. (2019) · Livestock Science · doi:10.1016/j.livsci.2019.05.003 · Cited by 8 · see citing works
Ruminal Yeast Strain with Probiotic Potential: Isolation and Characterization and Its Effect on Rumen Fermentation In Vitro
Song, P., Yang, X., Hou, M., Chen, Y., Liu, L., Feng, Y., & Ni, Y. (2025) · Microorganisms · doi:10.3390/microorganisms13061270 · Cited by 8 · see citing works
“In our experiment, the addition of five different yeast strains did not significantly alter the pH of in vitro rumen fermentation fluid, as shown in previous reports [34,35].”
Milk Fatty Acids as Potential Biomarkers of Enteric Methane Emissions in Dairy Cattle: A Review
Youngmark, E. C., & Kraft, J. (2025) · Animals · doi:10.3390/ani15152212 · Cited by 6 · see citing works
“The milk FA profile is highly responsive to dietary manipulation and rumen fermentation [64,65].”
In Vitro Fermentation Characteristics of Camelina Meal Comparison with Soybean Meal
Sızmaz, Ö., Çalık, A., & Bundur, A. (2021) · Livestock Studies · doi:10.46897/livestockstudies.610102 · Cited by 6 · see citing works
“Some studies have been conducted the effects of camelina oil on total gas volume, CO2 and methane production (Bayat et al., 2015; Ebeid et al., 2020) that reported similar findings with our experiment. In these studies, the authors reported that no difference has been found in the gas volume and CO2 concentration amon…”
Influential
Sustainable Livestock Farming with Oil Seed Crops and Their By-Products
Ahmed, İ., Rıaz, R., & Sızmaz, Ö. (2024) · Ankara Üniversitesi Veteriner Fakültesi Dergisi · doi:10.33988/auvfd.1426643 · Cited by 5 · see citing works
Evaluation of esophageal tubing and buccal swabbing versus rumen cannula to characterize ruminal microbiota in cows fed contrasting diets
Dunière, L., Ruiz, P., Chaucheyras‐Durand, F., Silberberg, M., Boudon, A., Nozière, P., & Forano, É. (2025) · Scientific Reports · doi:10.1038/s41598-025-18063-1 · Cited by 5 · see citing works
“For total bacteria and for protozoa and fungi, standard curves were prepared according to Mosoni et al. 50 . and Bayat et al. 52 .”
Use of feed additives to reduce enteric methane emissions in dairy cattle: meta-analysis of data retrieved through a systematic review
Dalmonte, T., Barbieri, N., GIACOMOZZI, S., Palmonari, A., Indio, V., Vecchio, Y., Guluzade, G., Abdullayev, I., Formigoni, A., Serraino, A., et al. (2026) · Frontiers in Animal Science · doi:10.3389/fanim.2025.1754069 · Cited by 5 · see citing works
Rapeseed and linseed oil supplementation affects hydrolytic activities in the rumen of sheep
Majewska, M. P., Miltko, R., Krawczyńska, A., Bełżecki, G., & Kowalik, B. (2020) · Livestock Science · doi:10.1016/j.livsci.2020.104175 · Cited by 5 · see citing works
Camelina Oil as Ethiopia’s Next Edible Oil: Insights into Chemical Composition and Agro-Ecological Adaptability- A Review
Kidane, B., Hunde, W., Urugo, M. M., Tessema, F., & Teka, T. A. (2025) · Journal of Oleo Science · doi:10.5650/jos.ess25078 · Cited by 4 · see citing works
Effect of Live Yeasts (Pichia guilliermondii) on In Vitro Fermentation of Corn Stover as a Fibrous Substrate
González-Mora, B., Ruiz-Barrera, Ó., Castillo-Rangel, F., & Castillo-Castillo, Y. (2022) · Fermentation · doi:10.3390/fermentation9010017 · Cited by 4 · see citing works
Yeasts isolated from bovine rumen selected to degrade lignocellulosic roughage
Duarte, E. R., Lima, S. M., Nere, J. C., Freitas, C. E. S., Maia, H. A. R., Júlio, A. D. L., Abrão, F. O., Alves, J. M. D. S., dos Santos, V. L., Geraseev, L. C., et al. (2024) · Biodiversitas Journal of Biological Diversity · doi:10.13057/biodiv/d250331 · Cited by 4 · see citing works
Agronomic Response of Camelina to Nitrogen and Seeding Rate on the Northern Great Plains
Nleya, T., Bhattarai, D., & Alberti, P. (2021) · IntechOpen eBooks · doi:10.5772/intechopen.95794 · Cited by 4 · see citing works
Does modifying dairy fat composition by changing the diet of the dairy cow provide health benefits?
Markey, O., & Kliem, K. E. (2020) · Elsevier eBooks · doi:10.1016/b978-0-12-815603-2.00003-6 · Cited by 4 · see citing works
Feed additives strategies to control methanogenesis in ruminants, Review
Tawab, A. M. A. E., Liu, Q., Xu, G., & Han, X. (2024) · Archiva zootechnica · doi:10.2478/azibna-2024-0017 · Cited by 5 · see citing works
Benefits of Supplementing Yeast to Diets on Dairy animals' Performance
Conference, G. A.-E. I., Hadhoud, F. I., Tawab, A. M. A. E., & Khattab, M. S. A. (2022) · Egyptian Journal of Chemistry · doi:10.21608/ejchem.2022.103649.4795 · Cited by 3 · see citing works
Chapter 10: The sulphur hexafluoride tracer technique for estimating enteric methane emissions from ruminants
Pinares-Patiño, C. S., Lively, F. O., & Lassey, K. R. (2015) · Wageningen Academic Publishers eBooks · doi:10.3920/978-90-8686-261-0_10 · Cited by 3 · see citing works
Rumen Methanogenesis and Mitigation Strategies
Kumar, K., & Paswan, V. K. (2022) · Soil biology · doi:10.1007/978-3-030-97291-2_3 · Cited by 2 · see citing works
Assessing the impact of climate action mitigation strategies from livestock production: A review – Solution for greenhouse gases mitigation
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Nutritional Manipulation as a Strategy to Mitigate Enteric Methane Emissions from Livestock – A Review
Dayoub, W. (2024) · International Journal of Agriculture and Biology · doi:10.17957/ijab/15.2235 · Cited by 4 · see citing works
Effect of fumarate and live yeast on ruminal fermentation, methane emissions, and blood metabolites in dairy goats
Dong, H., Zhang, X., Li, S., Ma, J., Zhang, J., Chen, H., Crespo, Y. L., Yao, J., & Li, Z. (2025) · Journal of Dairy Science · doi:10.3168/jds.2025-26518 · Cited by 2 · see citing works
In vitro gas production and fatty acids biohydrogenation of diets containing different unsaturated fatty acids sources plus crude glycerin
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The Trade-Off between Enteric and Manure Methane Emissions and Their Bacterial Ecology in Lactating Cows Fed Diets Varying in Forage-to-Concentrate Ratio and Rapeseed Oil
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“Previous studies have well established that oilseeds or oils have inconsistent effects on nutrient digestibility depending on the oil content, oil source, and composition of the basal diet [38–40].”
Background
Bioremediation: How to Decrease Greenhouse Gas Emissions Through Cattle
Sekyi-Otu, A., & Smith, A. (2020) · Undergraduate Research in Natural and Clinical Science and Technology (URNCST) Journal · doi:10.26685/urncst.192 · Cited by 1 · see citing works
“The results from this study were ambiguous, but led to the philosophy that modifying cattle microbiomes may prove beneficial in decreasing the CH4 production [3].”
BackgroundResult
Impact on ruminant performance of feed additives
Mohammad, S. F. (2022) · International Journal of Health Sciences · doi:10.53730/ijhs.v6ns6.12629 · Cited by 1 · see citing works
Effect of UV-B irradiated vitamin D enriched yeast supplementation on milk performance and blood chemical profiles in dairy cows
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“Research by Bayat et al [43] reported that fatty acid composition in milk cows with or without live yeast had no significant influence on ruminal lipolysis, biohydroge-nation, or microbial lipid synthesis.”
Background
Effect of fluidised dried yeast (Saccharomyces cerevisiae) supplementation on milk composition, somatic cell count and milk yield at different lactation stages in Polish Holstein-Friesian cows
Kalińska, A., Gołębiewski, M., Wnęk-Auguścik, K., Slósarz, J., Kunowska-Slósarz, M., Balcerak, M., Przysucha, T., Kuczyńska, B., Puppel, K., & Kot, M. (2023) · Journal of Animal and Feed Sciences · doi:10.22358/jafs/166611/2023 · Cited by 1 · see citing works
Effects of dietary supplementation of pre-weaned lambs with live yeast on rumen fermentation, gut development, performance, and blood health indicators
Hassan, M., Belanche, A., Romera-Recio, E., Rodríguez, B., Rivelli, I., Gauthier, M., & Yáñez-Ruiz, D. R. (2025) · Italian Journal of Animal Science · doi:10.1080/1828051x.2025.2596280 · Cited by 1 · see citing works
“Other studies have also indicated that yeast supplementation in ruminant diets did not noticeably influence growth performance (Kawas et al. 2007; Titi et al. 2008; Bayat et al. 2015).”
Rumen methanogenic archaea and their correlation with enteric methane emission in ruminant animals: A systematic review and meta‐analysis
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Parámetros de fermentación y cinética ruminal en novillos suplementados con diferentes aditivos
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Non-clinical Safety Evaluation of Camelina Oil: Acute and 12-Week Oral Toxicities
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Effect of fumarate and live yeast on methane emissions, rumen fermentation, blood metabolites, and lactation performance in dairy goatsPreprint
Dong, H., Tan, J., Li, S., Ma, J., Tang, G., Dai, J., Yao, J., & Li, Z. (2024) · bioRxiv (Cold Spring Harbor Laboratory) · doi:10.1101/2024.08.31.610449 · Cited by 1 · see citing works
Identification of milk fatty acids as proxies of the enteric methane emissions in dairy cows
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Final report : effect of probiotic yeasts and camelina oil on enteric methane production, rumen microbial ecology, milk production, and milk fatty acid composition in lactating cows fed grass silage diets
Bayat, A., & Shingfield, K. (2013) · Jukuri (Natural Resources Institute Finland (Luke))
Effect of two yeast strains and camelina oil on intake, milk production, and enteric methane emissions in lactating cows
Bayat, A., Kairenius, P. K., Stefański, T., Leskinen, H. M., Chaucheyras-Durand, F., & Shingfield, K. (2012) · Jukuri (Natural Resources Institute Finland (Luke))
Enteric methane production, rumen volatile fatty acid concentrations, and milk fatty acid composition in lactating Holstein-Friesian cows fed grass silage- or corn silage-based diets
van Gastelen, S., Fernandes, E. C. A., Hettinga, K. A., Klop, G., Alferink, S. J. J., Hendriks, W. H., & Dijkstra, J. (2015) · Journal of Dairy Science · doi:10.3168/jds.2014-8552 · Cited by 142 · see citing works
Effects of partially replacing grass silage by lucerne silage cultivars in a high-forage diet on ruminal fermentation, methane production, and fatty acid composition in the rumen and milk of dairy cows
Kozłowska, M., Cieślak, A., Jóźwik, A., El‐Sherbiny, M., Gogulski, M., Lechniak, D., Gao, M., Yanza, Y. R., Vazirigohar, M., & Szumacher‐Strabel, M. (2021) · Animal Feed Science and Technology · doi:10.1016/j.anifeedsci.2021.114959 · Cited by 12 · see citing works
The use of Saccharomyces cerevisae CNCM I-1077 in feed for ruminants : effect on digestibility, rumen enviroment and methane emmission
Tonje, E. (2019) · NORA - Norwegian Open Research Archives

Authors: Bayat, A. R., Kairenius, P., Stefański, T., Leskinen, H., Comtet-Marre, S., Forano, E., Chaucheyras-Durand, F., & Shingfield, K. J.
Affiliations: Natural Resources Institute Finland (FI)
Institut National de la Recherche Agronomique (FR)
Corresponding author: Bayat, A.R.
ORCID: Bayat, A.R.
Kairenius, P.
Stefański, T.
Leskinen, H.
Comtet-Marre, S.
Venue: Journal of Dairy Science
Publisher: American Dairy Science Association
Published: 2015-05
Volume: 98
Issue: 5
Pages: 3166-3181
ISSN: 0022-0302 (ISSN-L)
DOI: 10.3168/jds.2014-7976
OpenAlex: W2164605450
Cited by: 118
References: 59
Citations by year: 2026: 8 · 2025: 13 · 2024: 16 · 2023: 7 · 2022: 15 · 2021: 12 · 2020: 9 · 2019: 6 · 2018: 10 · 2017: 10 · 2016: 9 · 2015: 3
FWCI: 23.13
Type: journal article
Language: en
Open access: bronze
doi.org
Licence: www.elsevier.com/tdm/userlicense/1.0/ (tdm)
www.elsevier.com/open-access/userlicense/1.0/ (vor, 1350 d)
Locations: Journal of Dairy Science (publishedVersion)
PubMed (publishedVersion)
HAL (submittedVersion)
Jukuri (Natural Resources Institute Finland (Luke)) (submittedVersion)
Topics: Life Sciences › Agricultural and Biological Sciences › Agronomy and Crop Science › Ruminant Nutrition and Digestive Physiology
Life Sciences › Agricultural and Biological Sciences › Animal Science and Zoology › Animal Nutrition and Physiology
Physical Sciences › Engineering › Building and Construction › Anaerobic Digestion and Biogas Production
Keywords: methane, camelina oil, Saccharomyces cerevisiae, live yeast supplementation, grass silage, lactating dairy cows, milk fatty acid composition, rumen fermentation, rumen methanogens, dietary supplementation, milk fat, conjugated linoleic acid, trans fatty acids, nitrogen utilization, dry matter intake, rumen protozoa, rumen fungi
MeSH terms: Animals, Carbon Dioxide, Cattle, Diet, Digestion, Fatty Acids, Female, Fermentation, Poaceae, Lactation, Lactose, Methane, Milk, Plant Oils, Rumen, Saccharomyces cerevisiae, Silage, Dietary Supplements, Brassicaceae

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Effect of camelina oil or live yeasts (Saccharomyces cerevisiae) on ruminal methane production, rumen fermentation, and milk fatty acid composition in lactating cows fed grass silage diets

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