Disponibilidade biológica relativa do fósforo dos fosfatos de rocha bruto e parcialmente defluorizado, para galinhas poedeiras
Data
1995
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Resumo
This experiment was carried out at poultry station of Faculdade de Ciências Agrárias e Veterinárias de Jaboticabal- UNESP, lasting 224 days (8 periods of 28 days), with the aim to study Phosphorus biological availability of Raw Rock phosphate (RRP) and of partially Defluorinated Rock phosphate (PDP), to laxing bens two hundreds and ten laying bens from Hy-Line strain, aged 31 weeks at the beginning of the experiment were used. The experiment design was blocks at random, with 7 treatments, 5 repetions, 6 birds per each plot. Toe relative available Phosphorus of phosphates was determinated by tecnique slop - ration.
The bens fed diets containing raw rock phosphate and partially defluorinated rock had worst performance than birds fed dicalcium phosphate. The mean values of Phosphorus biological availability were 41,80% and 17,83% for raw rock phosphate and partially defluorinated rock phosphate, respectively.
Descrição
Palavras-chave
Disponibilidade do fósforo, Fosfato de rocha, Fosfato parcialmente defluorizado, Galinha poedeira, Availability of Phosphorus, Laxing hen, Partially defluorinated phosphate, Raw rock phosphate
Citação
SAKOMURA, Nilva Kazue; SILVA, Giane Serafim; CAFÉ, Marcos Barcellos; ROSTAGNO, Horácio Santiago. Disponibilidade biológica relativa do fósforo dos fosfatos de rocha bruto e parcialmente defluorizado, para galinhas poedeiras. Revista Brasileira de Zootecnia, Viçosa, v. 24, n. 4, p. 599-614, 1995.