Comportamiento de broilers con alimentación mono o bifásica bajo distintos niveles de proteína y energía.

Abstract

A feeding trial of four groups of broilers was carried out.

Group 1 was fed during all experiment with a ration of 22.5% C.P. and 2.975 Kcal. M.E. Group 2 was fed during 6 weeks with a ration of 22.5% C.P. and 2.975 Kcal. M.E. and the final 6 weeks previous slaughter with a ration of 2.0% C.P. and 3.195 Kcal. M.E. Group 3 was fed during all experiment with a ration of 24.5%C.P. and 3.200 kcal. M.E. And Grup 4 was fed during 6 weeks previous slaughter with a ration of 21% C.P. and 3.300kcal. M.E.

The final average weghts were (9 weeks): groups 1: 2.122 kg.; 2: 2.175 kg.; 3: 2.209 kg.; 4: 2.214 kg: no significant differences beween group were found.