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DIGESTIBILITY OF NUTRIENTS AND PERFORMANCE OF GROWING AND FINISHING PIGS FED DIETS BASED ON CORN OR SORGHUM SUPPLEMENTED WITH ENZYMES

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Author(s): PAULO BORGES RODRIGUES | RILKE TADEU FONSECA DE FREITAS | ELIAS TADEU FIALHO | HUNALDO OLIVEIRA SILVA | TARCISIO MORAIS GONÇALVES

Journal: Revista Brasileira de Milho e Sorgo
ISSN 1676-689X

Volume: 1;
Issue: 2;
Start page: 91;
Date: 2002;
Original page

Keywords: Nitrogen balance | digestible energy | enzymes

ABSTRACT
Two experiments were carried out with the objective of verifying the effect ofsupplementation of enzyme complexes on the nutrients digestibility and performance of pigsfed diets based on corn or sorghum. The metabolism assay was used in order to determinenitrogen balance (NB), digestibility coefficient of crude protein (DCCP), digestible energy (DE) and metabolizable energy (ME) of the experimental diets with corn or corn replaced bysorghum in the isometric way. The methodology of total feces and urine collection and ferricoxide as a fecal marker was utilized. In order to determine the performance in the growing andfinishing phases, 32 pigs were utilized in a randomized block design in a 2 x 2 factorial scheme,being two diets based on corn or sorghum and two diets with or without enzyme supplementation.Regardless the diet followed, the effect of the enzyme supplementation on the digestibility ofnutrients and energetic values of the diets showed increases of 2.06 and 2.55% for DE andME, respectively. There was an interaction (P
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