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Amino acid fortified diets for weanling pigs replacing fish meal and whey protein concentrate: Effects on growth, immune status, and gut health

Published on: 03/08/2017
Author/s : Yan Zhao 1, Alexandra C. Weaver 1, Vivek Fellner 1, Robert L. Payne 2 and Sung Woo Kim 1. / 1 Department of Animal Science, North Carolina State University, Raleigh, NC, USA; 2 Evonik Corp, Kennesaw, GA, USA.

  Background Extremely high price of fish meal and whey protein concentrate increases overall cost of pork production. Because of advances in biotechnology, the use of supplemental amino acids in animal feeding are extended to Lys, Met, Thr, Trp, Val, Gln, and possibly Ile. Utilization of these essential amino acids as feed additives benefits swine industry by allowing nutritionists to use ...

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Steffen Hansen
Animal Nutritionist
Re: Amino acid fortified diets for weanling pigs replacing fish meal and whey protein concentrate: Effects on growth, immune status, and gut health
08/03/2017 | I wonder why this diet composition was chosen; was it an attempt to mimic the typical composition of the weaner diets in the local area? Why was dehulled SBM used in combination with high quality protein sources?

A reduction of the content of crude protein is generally expected to reduce the risk of digestive disorders in weaned piglets. I would expect that the inclusion of aureomycin in combination with a high level of ZnO would off-set a major part of the detrimental effects associated with the diet composition and therefore confound the hypothesis regarding effect on gut health.
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