Standardized ileal amino acid digestibility of plant-based feedstuffs and phytase supplementation in broiler chicken diets

Autor: V.R.S.M. Barros, L.F.T. Albino, F.S. Dalólio, G. Brumano, F.C. Tavernari, A.A. Calderano, H.S. Rostagno
Jazyk: English<br />Portuguese
Rok vydání: 2022
Předmět:
Zdroj: Arquivo Brasileiro de Medicina Veterinária e Zootecnia, Vol 74, Iss 1, Pp 195-204 (2022)
Druh dokumentu: article
ISSN: 1678-4162
DOI: 10.1590/1678-4162-12181
Popis: ABSTRACT The objective was to determine the standardized ileal amino acid digestibility (SIAAD) in soybean meal (SBM), corn + SBM, wheat + SBM and a protein free diet (PFD) associated with phytase. A total of 672 Cobb 500 (493±10g) male chicks were distributed in a completely randomized design with twelve treatments (PFD, PFD + SBM, PFD + corn + SBM and PFD + wheat + SBM, supplemented with 0, 500 and 1000 FTU), eight replicates and seven birds per cage from 14 to 23 days. Phytase supplementation at 500 FTU increased the SIAAD of methionine in SBM (P0.05) for the SIAAD of methionine, arginine and histidine in wheat + SBM as the phytase supplementation. However, the SIAAD of lysine, threonine, isoleucine, phenylalanine, valine, cystine, alanine, aspartic acid, glutamic acid, glycine, serine and tyrosine differed (P
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