Effect of processed bambara groundnuts and benne seeds on growth and organ morphology of broiler
Keywords:Bambara groundnuts, benne seeds, broilers, performance
An experiment was conducted to determine the effects of replacing full fat soybean meal with aqueousheated, dryheated and dehulled Bambara groundnuts (Vigna subterranea (L.) Verdc.) and benne seeds (Sesamum indicum) on performance characteristics and organ morphology of broiler chickens over a period of eight weeks. Anti-nutritional factors in the raw and processed plant seeds were determined. Higher amounts of haemagglutinin (HG) and trypsin inhibitor (TI) were found in the raw Bambara groundnuts, and tannin, phytate and oxalate in raw benne seeds respectively. Both HG and TI were completely destroyed in aqueous-heated Bambara groundnuts while the dry heated Bambara groundnuts contained residual amounts of the anti-nutrients. Higher amounts of the tannin, oxalate and phytate were removed in the dehulled benne seeds. Feed intake was statistically not significant in different treatment groups. Weight gain and feed conversion efficiency were more significantly (p<0.05) reduced in groups fed dehulled Bambara groundnuts, aqueousheated benne seeds and dryheated benne seeds. Significant (p<0.05) reductions were also obtained in nitrogen retention of birds fed with dehulled Bambara groundnuts, aqueousheated benne seeds and dryheated benne seeds respectively. The organ morphology showed significant (p<0.05) increases in weights of pancreas and kidney of birds fed dehulled Bambara groundnuts. The best improvements in the response indices were obtained in birds fed aqueous-heated Bambara groundnuts and dehulled benne seeds.
Bang. J. Anim. Sci. 2014. 44 (1): 26-32
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