The growth performances of broiler chickens as affected by diets containing common bean (Phaseolus vulgaris) treated by different methods.
The utilization of grain legumes as a protein source for poultry is limited by the presence of antinutritional factors. Various methods have been developed to eliminate them. One hundred and sixty 3-week-old birds of 622 g were used to evaluate the effect of feeding 15% of common beans (Phaseolus vulgaris) either soaked (R1), soaked and extruded (R2) or soaked and heated (R3) and a control (R0) in a completely randomized design. The protein content of the common bean decreased with all the treatments, while the other characteristics remained similar. Feed consumption was highest (p < 0.05) for the R0 birds and lowest for the R3; however, there was no significant difference between R1 and R2 in feed consumption. Body weight gain was comparable for R0 and R2 birds and significantly higher than that of R1 and R3 birds. The control and R2 birds recorded the best feed conversion ratio, while the R1 birds had the poorest (p < 0.05) as well as the highest feed cost for 1 kg body weight. However, there was no difference among the three other groups of birds with regard to cost. All the treatment groups were comparable (p > 0.05) for carcass yield and serum creatinine level. However, the R3 birds had the lowest proportions of liver (2.26%) and heart (1.07%) to body weight.
Teguia
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Department of Animal Production, Faculty of Agronomy and Agricultural Sciences, University of Dschang, Dschang, Cameroon. alexisteguia@yahoo.fr
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D000821:Animal Feed; D000824:Animal Nutritional Physiological Phenomena; D000818:Animals; D002163:Cameroon; D002645:Chickens / Q000254:growth & development*; D003296:Cooking / Q000379:methods*; D004044:Dietary Proteins / Q000008:administration & dosage*; D004435:Eating / Q000187:drug effects; D005260:Female; D009753:Nutritive Value; D009929:Organ Size / Q000187:drug effects; D027805:Phaseolus; D015430:Weight Gain
D004044:Dietary Proteins