Sulphur amino acid requirements of commercially-grown finisher pigs

Document Type

Article

Publication Date

11-11-2015

Journal Title

Animal Production Science

ISSN

Print: 1836-0939 Electronic: 1836-5787

Keywords

pigs, swine, sulphur amino acids

Disciplines

Meat Science | Other Animal Sciences

Abstract

Reduced protein utilisation in immune-system-activated pigs is caused primarily by an enhanced rate of protein turnover associated with additional production of immune cells, antibodies and acute phase proteins, which are particularly high in sulphur amino acids (SAA) (Rakhshandeh and de Lange 2011). The current study tested the hypothesis that the SAA requirements of finisher pigs grown commercially will be greater than the current NRC (2012) recommendation of 0.58 standardised ileal digestible SAA to lysine (Lys) ratio (SID SAA:Lys), on the basis that pigs grown commercially are continuously exposed to high microbial loads and environmental challenges.

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