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Journal of Dairy Science Vol. 59 No. 3 426-430
© 1976 by American Dairy Science Association ®
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Feeding Protected and Unprotected Oils to Dairy Cows

H. N. Astrup, L. Vik-Mo, A. Ekern and F. Bakke

Department of Animal Nutrition, Agricultural University of Norway, As Norway

ABSTRACT

Feeding protected coconut oil, protected safflower oil, and protected soybean oil to dairy cows increased dry matter content of the milk. The protected soybean oil raised fat and protein whereas protected coconut oil increased the fat content in the milk to a similar extent. Due to protection of these oils, their effect appears to be at the postab-sorptive stage. Protected hydrogenated soybean oil lowered the content of fat and dry matter in the milk. This suggests that the so-called milk fat depression with oil feeding is brought about by the biotransformed long chain fatty acids produced from the oil in the rumen.




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N. K. Anderson, K. A. Beerman, M. A. McGuire, N. Dasgupta, J. M. Griinari, J. Williams, and M. K. McGuire
Dietary Fat Type Influences Total Milk Fat Content in Lean Women
J. Nutr., March 1, 2005; 135(3): 416 - 421.
[Abstract] [Full Text] [PDF]




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Copyright © 1976 by the American Dairy Science Association ®.