Effects of Week of Lactation and Genetic Selection for Milk Yield on Milk Fatty Acid Composition in Holstein Cows

Control (CL) and select line (SL) dairy cows (n=22) managed identically but differing in milk yield (>4100kg/305 d) were used to determine differences in milk fatty acid profile as lactation progressed. Milk yield was recorded daily and milk samples were collected during wk 1, 4, 8, 12, and 16 po...

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Veröffentlicht in:	Journal of dairy science 2005-11, Vol.88 (11), p.3886-3893
Hauptverfasser:	Kay, J. K, Weber, W. J, Moore, C. E, Bauman, D. E, Hansen, L. B, Chester-Jones, H, Crooker, B. A, Baumgard, L. H
Format:	Artikel
Sprache:	eng
Schlagworte:	Animal productions Animals Biological and medical sciences Cattle - genetics Cattle - physiology Cell Count conjugated linoleic acid dairy cow Diet Fats - analysis fatty acid composition Fatty Acids - analysis Female Food industries Fundamental and applied biological sciences. Psychology genetic selection Lactation - genetics Lactation - physiology lactation curve lactation stage Lactose - analysis line differences Linoleic Acids, Conjugated - analysis Milk - chemistry Milk - cytology Milk and cheese industries. Ice creams milk fat Milk Proteins - analysis Postpartum Period selection response Selection, Genetic stearoyl-CoA desaturase Stearoyl-CoA Desaturase - metabolism Terrestrial animal productions Time Factors Vertebrates
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