The Effect of Dietary Phytase on Broiler Performance and Digestive, Bone, and Blood Biochemistry Characteristics

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dc.creatorJPL de Sousa
dc.creatorLFT Albino
dc.creatorRGMV Vaz
dc.creatorKF Rodrigues
dc.creatorGF Da Silva
dc.creatorLN Renno
dc.creatorVRSM Barros
dc.creatorIN Kaneko
dc.date2015
dc.date.accessioned2026-07-07T03:23:21Z
dc.descriptionThe dietary inclusion of phytase increases nutrient and energy bioavailability for broilers. The effect of phytase increases nutrients and energy bioavailability for either the objective of this experiment was to evaluate the influence of nutrient and energy reduction in diets supplemented with phytase on the performance, gastrointestinal pH, organ and bone composition, and blood biochemistry of broilers between eight and 21 days of age. In the study, 1.120 male Cobb 500® broilers, with 161±1g average weight, were used. At eight days of age, birds were distributed according to a completely randomized experimental design with seven treatments in a 3x2+1 factorial arrangement with eight replicates of 20 broiler each. Treatments corresponded to reduction of calcium (Ca) and phosphorus (P), amino acids and energy, or reduction of Ca, P, amino acids and energy; supplementation or not of phytase; and a positive control treatment. Broiler fed the diet with reduced Ca and P levels and phytase supplementation presented the best performance of all groups. The diet with reduced amino acid and energy levels and phytase addition reduced gizzard and proventriculus pH. Dietary Ca and P reduction increased relative liver and heart weights, as well as albumin blood levels. The bones of broilers fed phytase-supplemented diets presented higher ash content. Key words: poultry production, enzymes, intestinal pH, bone ash, calcium, available phosphorus, extra-phosporic effect.
dc.formatapplication/pdf
dc.identifier1516-635X
dc.identifierhttps://www.redalyc.org/articulo.oa?id=179738404011
dc.identifier.urihttp://hdl.handle.net/123456789/432401
dc.languageen
dc.publisherFundação APINCO de Ciência e Tecnologia Avícolas
dc.relationhttp://www.redalyc.org/revista.oa?id=1797
dc.rightsRevista Brasileira de Ciência Avícola
dc.sourceRevista Brasileira de Ciência Avícola (Brasil) Num.1 Vol.17
dc.subjectAgrociencias
dc.titleThe Effect of Dietary Phytase on Broiler Performance and Digestive, Bone, and Blood Biochemistry Characteristics
dc.typeartículo científico

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Revista Brasileira de Ciência Avícola - Fundação APINCO de Ciência e Tecnologia Avícolas