Fósforo disponível para frangos de corte em fosfatos para alimentação animal / Availability of phosphorus for broilers in commercial calcium

AUTOR(ES)
DATA DE PUBLICAÇÃO

2006

RESUMO

The relative bioavailability of phosphorus was studied in a trial with 680 male Ross chicks used in a 21 day .Phosphates were added to the basal diet to provide 0,08 and 0,16% supplemental P. The reference standard was a purified grade calcium phosphate dibasics. Slope ratio technique was used to calculate relative bioavailability of phosphorus, based on bone parameters (tibia and toe ash) and body weight gain, feed intake and feed:gain ratio. At day 21, body weight gain, feed intake, feed:gain ratio and bone parameters increased with incremental levels of P in the diet regardless of source. Relative bioavailability of phosphorus based on toe ash was higher from monosodium phosphate as compared with studies phosphates.

ASSUNTO(S)

bioavailability biodisponibilidade phosphorus fosfato comercial phosphates fósforo frango de corte broilers

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