Evaluation of Feeding Different Levels of Red Haricot Bean Screening (Phaseolus Vulgaris.L) on Egg Production and Quality Parameters of White Leghorn Hens

摘要

The study was conducted to evaluate effects of feeding different levels of red haricot bean screening (RHBS) on dry matter intake, body weight gain, egg production, egg quality and feed conversion ratio of white leghorn chicken. A total of 225 (195 hens + 30 cocks) at age of 30 weeks with initial body weight of1104.7±16.35 gram were randomly distributed in to 15 pens each with 13 hens and 2 cocks. The pens were randomly allocated to five treatment diets in completely randomized design. The five treatment diets used in the present study were containing 0%, 20%, 40%, 60% and 80% of RHBS for T1, T2, T3, T4 and T5, respectively. Crude protein and metabolizable energy content of RHBS was 29.01% and 3276Kcal/Kg. Dry matter intake (92.5, 95.03, 91.03, 90.09 and 89.7 for T1, T2, T3, T4 and T5, respectively, was significantly (P0.05) among treatments on average daily body weight gain per bird, egg weight, shell weight, shell thickness, albumen quality, yolk weight, yolk diameter, yolk height. Yolk color and index were significantly (P<0.05) different which were high in T5 and low in T1. Therefore, increasing proportions of RHBS above 50% in the layer ration improve yellowness and index of egg yolk, but affect feed conversion ratio, egg mass and egg production negatively. Keywords ; Diet, Egg Production, Haricot Bean Screening.