Lipids. 1978 Nov;13(11):814-9.

Effect of feeding protected cholesterol on ruminant milk fat secretion.

Abstract

Feeding 1-2 g/day of cholesterol protected against ruminal hydrogenation caused a 20-30% drop in the secretion of milk fat by goats and cows. The effect was observed with goats fed conventional rations or with goats and cows fed rations supplemented with protected lipids, but was not observed with cows fed conventional rations, or when unprotected cholesterol and protected beta-sitosterol was fed to these animals. The results suggest that this depression in milk fat is due to a decreased uptake of plasma triacylglycerol fatty acids by the mammary gland, induced by dietary cholesterol.

PMID:: 713719; [PubMed - indexed for MEDLINE]

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