Dissertação
Farelo de arroz desengordurado desfitinizado na alimentação de frangos de corte
Fecha
2011-02-22Registro en:
KARKOW, Ana Kátia. Dephytinizated defatted rice bran in the feed of broiler chickens. 2011. 61 f. Dissertação (Mestrado em Zootecnia) - Universidade Federal de Santa Maria, Santa Maria, 2011.
Autor
Karkow, Ana Kátia
Institución
Resumen
Abstract: The objective of this dissertation was to evaluate dephytinizated defatted
rice bran for feeding broilers under performance parameters, carcass yield, tibiae
resistance and apparent digestibility of protein, calcium and phosphorus. We used
576 male Cobb one day old broiler chicks. The experimental design was completely
randomized, with four treatments (basal diet - DB; basal diet with addition of 10%
defatted rice bran - FAD; basal diet with addition of 10% defatted dephytinizated rice
bran - FADD; basal diet with the addition of 10% defatted rice bran treated with
phytase - FADFIT) with 6 replicates of 24 birds each. Growth performance of the lot
was not significantly different (P>0.05) among different treatments, as well as
carcass yield. The tibiae of birds fed diets with added FADD showed less resistance
to breakage compared with those fed the DB (P<0.05). Apparent protein digestibility
was higher in birds fed FADD (P<0.05) when compared to those receiving FAD. It
can be concluded that the addition of 10% of FADD in the diet, does no damage and
has benefits in the digestibility of the protein, allowing the incorporation of this
ingredient in feed for broilers.