| Popis: |
A four-week trial to assess the impact of yeast supplementation on the performance characteristics of broiler starters fed high levels of rice bran with or without yeast addition, was conducted using two hundred and forty day old broilers of the Bova nera strain. The chicks were divided into 15 groups of 16 chicks each. Three groups of birds were randomly assigned to each of the five dietary treatments. The treatments were: Diet 1: no rice bran (control); Diets 2 and 3 were formulated to contain 15 and 25 % ricebran respectively; Diets 4 and 5 were the same as diets 2 and 3, but each was supplemented with yeast at the rate of 2 gkg-1. Results of the study indicated no significant (P> 0.05) difference for all growth character in the different treatment groups. However, a significant difference (P0.05). It was concluded from the results of the study that neither the levels of rice bran used nor yeast supplementation had any significant effect on the final body weight, feed conversion ratio and apparent nutrient retention of broiler starters between 0 to 4 weeks of age. Cost of feed consumed was however significantly lower (P |
