Shimaa M. Salem
Auburn University,AL,USA
Title: Optimizing the Amino Acids Balance in the Reduced Intact Protein Diets for Channel Catfish Ictalurus punctatus
Biography
Biography: Shimaa M. Salem
Abstract
Eight weeks growth study was performed to reduce the intact protein (IP) content in channel catfish Ictalurus punctatus diet with balancing the amino acids profile by adding of indispinsable amino acids (IAA) at graded levels.Also, assessment the contribution of dispinsable amino acids (DAA; glutamic acid & glycine) supplementation to the low intact protein diet. Nine isolipidic (8% lipid) experimental diets were formulated as the following; (30%IP basal , 24%IP/ IAA were added to restore IAA profile the same as basal diet+DAA), (24%IP/IAA were added at different levels 100, 120 &140% NRC 2011 ), (24, 27 & 30%IP/ IAA were added at 120% NRC), (24%IP/ IAA were added at 100%NRC with/without DAA, 24%IP/IAA were added at 120% NRC with/without DAA). Juvenile catfish fish (average initial weight 23.68 g) were randomly allocated into 9 groups,