Abstract
Modem feed processing techniques, designed to reduce the microbial burden of compounded animal feedstuffs, subject feed ingredients to high temperatures and pressures. Certain feed components are labile under these conditions and may be destroyed or undergo chemical modification during processing reducing their availability. A number of vitamins, added as supplements to diets, are known to be sensitive to aggressive processing methods. Vitamin A is particularly sensitive to oxidation and losses are increased in the presence of high humidity and temperature. A study was carried out to examine the effects of two processing technologies, the Anaerobic Pasturisation Conditioner (APC) and the Expander (EX), upon the content and bioavailability of vitamin A in poultry diets.
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Schedule a callMore From: Proceedings of the British Society of Animal Production (1972)
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