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Phosphorus utilization in broilers fed with diets supplemented with different feed ingredients Scientia Agricola
Dias,Raquel Souza; López,Secundino; Borgatti,Laura Maria Oliveira; Kebreab,Ermias; Vitti,Dorinha Miriam Silber Schmidt; Abdalla,Adibe Luiz; Appuhamy,Jayasooriya Arachchige Don Ranga Niroshan; France,James.
ABSTRACT: A reliable determination of endogenous phosphorus (P) excretion is required to measure P utilization in chickens accurately. The objective of this study was to investigate phosphorus (P) retention in broilers fed diets formulated with different feed ingredients. Sixty-four 15-d old broiler chicks were fed diets in which part of the dietary P was provided from dicalcium phosphate, maize, barley or soybean. Level of supplementation of each ingredient was calculated to provide two levels of total P (4.5 or 5.0 g kg−1 feed). Birds received a single injection of 3 MBq of 32P to determine endogenous P excretion using the isotope dilution technique. Four days after injection, blood and excreta were collected for analysis of inorganic and radioactive P....
Tipo: Info:eu-repo/semantics/article Palavras-chave: Chicken; Endogenous; Isotope dilution; Phosphorus retention.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162019000100018
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