Journal
WORLDS POULTRY SCIENCE JOURNAL
Volume 71, Issue 2, Pages 297-309Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1017/S0043933915000306
Keywords
amino acids; broiler; digestion; dynamics; starch
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The hypothesis that glucose and amino acids should be made available in appropriately balanced quantities at the sites of protein synthesis for efficient protein deposition and growth performance is not new in animal nutrition. The objective of this review is to consider starch and protein digestive dynamics in light of recent developments and research outcomes in relation to chicken-meat production. This will concentrate on the concept that catabolism of amino acids in enterocytes provides energy for the gut and slowly digestible starch benefits performance. These are supported by relatively recent developments and studies with reducing agents. Practices such as whole grain feeding, hydrothermally processing diets, addition of exogenous enzymes and synthetic amino acids to broiler diets modify starch and protein digestive dynamics. It may be possible to enhance feed conversion efficiency of broiler chickens by manipulating starch and protein digestive dynamics and likelihood of using these methods is considered in this review.
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