Dietary factors are affecting on endogenous amino acid losses (EAAL) in broiler chickens - A Review
Journal Title: Scholars Journal of Agriculture and Veterinary Sciences - Year 2017, Vol 4, Issue 2
Abstract
Feed and diet formulation directly influence on endogenous amino acid flow and its losses in poultry. The dietary ingredients are increase total flow of endogenous secretions in birds, then the internal secretions decreases amino acid digestibility. There are various factors affecting on endogenous amino acid losses (EAAL) in broiler chickens directly, but especially in dietary supplementation the protein sources highly affects on total endogenous amino acid flow. Feed ingredients containing protein sources with various concentrations of amino acids (AA), dietary fibers, Phytate Phytic and marker which use for as indicator are may increase and decrease the endogenous secretion. Intestinal physiology including mucin formation is responsible for maintaining internal secretion to control endogenous amino acids flow and its production. The intestinal gut performance directly proportional to the total flow of EAA in distal of ileum. The age of bird with different dietary supplementation of feed ingredients are also effects on total endogenous amino acid flow. This review explain briefly all dietary factors are affecting on EAAL in broiler chickens, and the evaluation of apparent, true and standardized digestibilities. The measurement and accurate estimation of endogenous secretions in mono gastric animals are still finding with various methods and techniques, but it cannot deny that the factors are directly and indirectly affecting on endogenous secretion. It desires to identify all factors which are influencing on EAAL in poultry. Keywords: Dietary supplementation, factors, endogenous amino acid losses, broiler chickens
Authors and Affiliations
Rab Nawaz Soomro, Junhu Yao, Rujiu Hu, Imtiaz Hussain Raja Abbasi, Yu Qiao, Saeed Ahmed Soomro, Mohamed Abdalla Elsiddig Mohamed, Bello Musa Bodinga, Xiaojun Yang
Keywords
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