Genetic and phenotypic associations of milk
β-hydroxybutyrate with ketosis in Canadian Holsteins

Astrid Koeck; Janusz Jamrozik; Gerrit J. Kistemaker; Flavio S. Schenkel; Robert K. Moore; Daniel M. Lefebvre; David F. Kelton; Filippo Miglior

doi:10.1139/cjas-2015-0206

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Astrid Koeck,^1,* Janusz Jamrozik,² Gerrit J. Kistemaker,³ Flavio S. Schenkel,¹ Robert K. Moore,⁴ Daniel M. Lefebvre,⁴ David F. Kelton,⁵ Filippo Miglior²

¹A. Koeck and F.S. Schenkel. Centre for Genetic Improvement of Livestock, University of Guelph, Guelp
²J. Jamrozik and F. Miglior. Centre for Genetic Improvement of Livestock, University of Guelph, Guelp
³G.J. Kistemaker. Canadian Dairy Network, Guelph, ON N1K 1E5, Canada.
⁴R.K. Moore and D.M. Lefebvre. Valacta, Sainte-Anne-de-Bellevue, QC H9X 3R4, Canada.
⁵D.F. Kelton. Department of Population Medicine, Ontario Veterinary College, University of Guelph, Gu

^*Corresponding author: Astrid Koeck (email: akoeck@uoguelph.ca).

Abstract

The objective of this study was to investigate if milk β-hydroxybutyrate (BHBA) can be used as an indicator of ketosis. The different measures of milk BHBA were moderately genetically correlated with ketosis. The results imply that milk BHBA could be used to indirectly select animals that are more resistant to ketosis.

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Citation Download Citation

Astrid Koeck, Janusz Jamrozik, Gerrit J. Kistemaker, Flavio S. Schenkel, Robert K. Moore, Daniel M. Lefebvre, David F. Kelton, and Filippo Miglior "Genetic and phenotypic associations of milkβ-hydroxybutyrate with ketosis in Canadian Holsteins," Canadian Journal of Animal Science 96(3), 302-305, (3 May 2016). https://doi.org/10.1139/cjas-2015-0206

Received: 21 December 2015; Accepted: 1 March 2016; Published: 3 May 2016