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Effects of feeding beef fat enriched with polyunsaturated fatty acid biohyrogenation products to pigs.

Vahmani, P., Meadus, W.J., Uttaro, B., Lopez-Campos, O., Mapiye, C., Rolland, D.C., Caine, W.R., Aalhus, J.L. and Dugan, M.E.R. 2016. Effects of feeding beef fat enriched with polyunsaturated fatty acid biohyrogenation products to pigs. Can. J. Anim. Sci. 96:95-99.

Abstract

Sixteen barrows (67 ± 6 kg) were randomly assigned to diets (8 pigs/diet) containing 5% (w/w) biohydrogenation product-enriched (BHP) or control beef kidney fat for 7 weeks. Diet did not affect feed intake, average daily gain, feed conversion efficiency or body composition. Feeding BHP led to their deposition and differential metabolism of trans-18:1 isomers in subcutaneous fat of pigs. Total serum cholesterol and HDL-cholesterol concentrations were decreased (P < 0.05) in pigs fed BHP-enriched compared to control kidney fat, however LDL-cholesterol, triglycerides and atherogenic indices were not affected. Future studies examining the effects of feeding BHP may, therefore, require greater rates of feeding that are comparable to human consumption, and the use of disease models to more intensively examine their potential effects on health.

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