Chronic immune system activation increases the growing pig’s requirement

Document Type

Conference Proceeding

Publication Date

2011

Conference Title

hirteenth Biennial Conference of the Australasian Pig Science Association

Place of Publication

Adelaide

ISBN

978-0-9806880-1-6

ISSN

1324 9177

Keywords

pigs, swine

Disciplines

Animal Sciences | Meat Science

Abstract

A mild disease challenge as commonly occurs in commercial production facilities may significantly decrease performance by redirecting (partitioning) amino acids from body protein synthesis to immune activation. The amino acids that are used by the pig for synthesis of immune molecules may, therefore, be in short supply and hence may limit body protein deposition. Sulphur amino acids (SAA), especially cysteine, are the most abundantly used amino acids for synthesis of immune molecules (Rakhshandeh et al., 2010). The experiment reported here was conducted to test the hypothesis that pigs whose immune system has been activated will respond to higher SAA levels than those without chronic immune system activation.

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