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Comparison of Methods to Measure Methane for Use in Genetic Evaluation of Dairy Cattle (2019)
Journal Article
Garnsworthy, P. C., Difford, G. F., Bell, M. J., Bayat, A. R., Huhtanen, P., Kuhla, B., …Yan, T. (2019). Comparison of Methods to Measure Methane for Use in Genetic Evaluation of Dairy Cattle. Animals, 9(10), https://doi.org/10.3390/ani9100837

Partners in Expert Working Group WG2 of the COST Action METHAGENE (www.methagene.eu) have used several methods for measuring methane output by individual dairy cattle under various environmental conditions. Methods included respiration chambers, the... Read More

Effect of Feeding Cows with Unsaturated Fatty Acid Sources on Milk Production, Milk Composition, Milk Fatty Acid Profile, and Physicochemical and Sensory Characteristics of Ice Cream (2019)
Journal Article
Vargas-Bello-Pérez, E., Cancino-Padilla, N., Geldsetzer-Mendoza, C., Vyhmeister, S., Morales, M. S., Leskinen, H., …Ibáñez, R. A. (2019). Effect of Feeding Cows with Unsaturated Fatty Acid Sources on Milk Production, Milk Composition, Milk Fatty Acid Profile, and Physicochemical and Sensory Characteristics of Ice Cream. Animals, 9(8), 1-13. https://doi.org/10.3390/ani9080568

Simple Summary: The objective of this study was to evaluate the effects of supplementation of dairy cows' diets with different fatty acid (FA) sources on milk production, milk composition, milk fatty acid profile, and physicochemical and sensory char... Read More

A heritable subset of the core rumen microbiome dictates dairy cow productivity and emissions (2019)
Journal Article
Wallace, R. J., Sasson, G., Garnsworthy, P. C., Tapio, I., Gregson, E., Bani, P., …Mizrahi, I. (2019). A heritable subset of the core rumen microbiome dictates dairy cow productivity and emissions. Science Advances, 5(7), doi:10.1126/sciadv.aav8391

A 1000-cow study across four European countries was undertaken to understand to what extent ruminant microbiomes can be controlled by the host animal and to identify characteristics of the host rumen microbiome axis that determine productivity and me... Read More

Short communication: Heritability of methane production and genetic correlations with milk yield and body weight in Holstein-Friesian dairy cows (2019)
Journal Article
Breider, I., Wall, E., & Garnsworthy, P. (2019). Short communication: Heritability of methane production and genetic correlations with milk yield and body weight in Holstein-Friesian dairy cows. Journal of Dairy Science, 102(8), 7277-7281. doi:10.3168/jds.2018-15909

Greenhouse gases originating from the dairy sector, including methane (CH 4), contribute to global warming. A possible strategy to reduce CH 4 production is to use genetic selection. This requires genetic parameters for CH 4 production and correlatio... Read More