Utilização de diferentes aditivos promotores de crescimento na alimentação de frango de corte

Abstract

The experiments was done by Aviculture Departament for Agronomy School of Federal University in Bahia, in the city Cruz das Almas, State of the Bahia (12º40’39’’S; 39º06’23’’W; 225m), Order to evaluate the effectes use Antibiotics , prebiotic, acid organic end of probiotc in dietary of broiler chickens of race Coob, by animal scince paraments, weight gain , meal consume , feeding conversion, carcass yield, leg yield, weight of the liver, the heart and the intestine. It was utilized 720 chencks with 1 up to 10 days old in experimental delineation completely by chance, with 6 treatments the 4 repetitons and 30 chickens per experimental unit. The tested treatments had been: a basal diet (DB) of maize and soy without additives and five diets with inclusion of antibiotics (avilamicina and colistina), or of Biomos (prebiotic), or of Avimos I (prebiotic and fumaric acid, and propionic acids), or of Protexin (probiotic), or Biotop (probiotic). It was concluded that the use of antibiotics, Avimos and the Protexin had improved the consumption of ration and the feeding conversion, but had not presented difference between the treatments.