Journal of Food, Agriculture and Environment

Vol 10, Issue 3&4,2012
Online ISSN: 1459-0263
Print ISSN: 1459-0255

Measurement of protein and amino acid digestibility for swine diet formulation


Yongfei Wang 1,  Yuzhe Zhang 2 *, Zemeng Feng 2, Yonggang Zhang 2, Tiejun Li 2 *, Ruiling Huang 2 *

Recieved Date: 2012-07-04, Accepted Date: 2012-09-28


Accurate determination of the dietary proteins and amino acid requirements of swine is essential to improve growth and reduce production costs and nitrogen excretion in the environment. The paper reviewed the measurement of N and amino acid availability, including the conception of the standardized ileal digestibility (SID) of amino acids and ileal protein, and the measuring techniques of quantify endogenous nitrogen flow at the distal ileum of the pig. In addition, the impact of some factors, such as dietary fibre, exogenous enzymes, environment and carbohydrate supply, on ileal digestibility and utilization of N and amino acids, is discussed. 


Nitrogen requirement, nitrogen utilization, influencing factors

Journal: Journal of Food, Agriculture and Environment
Year: 2012
Volume: 10
Issue: 3&4
Category: Agriculture
Pages: 650-654

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