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Avalia??o nutricional de soja integral desativada e desempenho de leit?es na fase de creche

DOI: 10.1590/S0102-09352011000500021

Keywords: swine, performance, digestibility, antinutritional factor, energy value.

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Abstract:

two experiments were carried out to determine the nutritional value and to verify the piglets performance from 6 to 15kg, fed diets with two types of disabled whole soybeans characterized by shell presence (cs) or not (ss). in the digestibility assay 15 castrated male piglets were used, with average weight of 7.36±1.71kg, housed in metabolism cages. except for gross energy (eb), no differences between treatments were observed for the dry matter digestibility, crude protein, ether extract and organic matter, and for the coefficient of metabolism of eb between the two soybeans evaluated. the values of digestible energy (de), as well the metabolizable energy (me) on fed basis for sc and ss were: 3,979 and 4,300kcal/kg, 3,768 and 4,111kcal/kg, respectively. in the performance experiment 56 weaned piglets were used, at 21 days of age with initial body weight of 6.19±0.67kg. no differences were observed in the performance variables with the inclusion of ss and sc disabled soybeans in the diets, concluding that the studied soybeans can be used for piglet diets.

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