Variability in Enteric Methane Emissions among Dairy Cows during Lactation (2022)
Journal Article
Hardan, A., Garnsworthy, P. C., & Bell, M. J. (2022). Variability in Enteric Methane Emissions among Dairy Cows during Lactation. Animals, 13(1), Article 157. https://doi.org/10.3390/ani13010157

The aim of this study was to investigate variability in enteric CH4 emission rate and emissions per unit of milk across lactations among dairy cows on commercial farms in the UK. A total of 105,701 CH4 spot measurements were obtained from 2206 mostly... Read More about Variability in Enteric Methane Emissions among Dairy Cows during Lactation.

Review: More effective linkages between science and policy are needed to minimize the negative environmental impacts of livestock production (2021)
Journal Article
Gill, M., Garnsworthy, P., & Wilkinson, J. M. (2021). Review: More effective linkages between science and policy are needed to minimize the negative environmental impacts of livestock production. Animal, 15(Supplement 1), Article 100291. https://doi.org/10.1016/j.animal.2021.100291

Animals form an integral part of our planetary ecosystem but balance is critical to effective ecosystem functioning as demand for livestock products has increased, greater numbers of domesticated livestock have created an imbalance and hence had a ne... Read More about Review: More effective linkages between science and policy are needed to minimize the negative environmental impacts of livestock production.

Evaluation of rumen protected rapeseed expeller (NovaPro) as an alternative to soya bean meal in dairy cow diets (2021)
Journal Article
Garnsworthy, P. C., Saunders, N., Goodman, J. R., & Marsden, M. (2021). Evaluation of rumen protected rapeseed expeller (NovaPro) as an alternative to soya bean meal in dairy cow diets. Animal Feed Science and Technology, 273, Article 114816. https://doi.org/10.1016/j.anifeedsci.2021.114816

There are environmental, social and economic pressures to reduce the use of soya bean meal in ruminant diets by using alternative protein sources, such as those derived from rapeseed. A new protected form of rapeseed (NovaPro) has been developed to p... Read More about Evaluation of rumen protected rapeseed expeller (NovaPro) as an alternative to soya bean meal in dairy cow diets.

Inclusion of Wheat Dried Distillers’ Grains with Solubles from Bioethanol Plants in Diets for Dairy Cows (2021)
Journal Article
Garnsworthy, P. C., Marsden, M., Goodman, J. R., & Saunders, N. (2021). Inclusion of Wheat Dried Distillers’ Grains with Solubles from Bioethanol Plants in Diets for Dairy Cows. Animals, 11(1), Article 70. https://doi.org/10.3390/ani11010070

Dried distillers’ grains with solubles (DDGS) from bioethanol production can replace soya in diets for dairy cows, but optimum inclusion level of European wheat-DDGS (wDDGS) is unknown. Two batches of wDDGS from different UK bioethanol plants were fe... Read More about Inclusion of Wheat Dried Distillers’ Grains with Solubles from Bioethanol Plants in Diets for Dairy Cows.

Effects of dietary polyunsaturated fatty acid sources on expression of lipid-related genes in bovine milk somatic cells (2020)
Journal Article
Vargas-Bello-Pérez, E., Cancino-Padilla, N., Geldsetzer-Mendoza, C., Morales, M. S., Leskinen, H., Garnsworthy, P. C., …Romero, J. (2020). Effects of dietary polyunsaturated fatty acid sources on expression of lipid-related genes in bovine milk somatic cells. Scientific Reports, 10, Article 14850. https://doi.org/10.1038/s41598-020-71930-x

© 2020, The Author(s). The objective of this study was to compare the effect of contrasting sources of dietary n-6 and n-3 PUFA on expression of genes related to lipid metabolism in dairy cows. During 63days, fifteen lactating cows were assigned to a... Read More about Effects of dietary polyunsaturated fatty acid sources on expression of lipid-related genes in bovine milk somatic cells.

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), Article 837. 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 about Comparison of Methods to Measure Methane for Use in Genetic Evaluation of Dairy Cattle.

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 about 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.

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), Article eaav8391. https://doi.org/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 about A heritable subset of the core rumen microbiome dictates dairy cow productivity and emissions.

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. https://doi.org/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 about Short communication: Heritability of methane production and genetic correlations with milk yield and body weight in Holstein-Friesian dairy cows.