Abstract
A feeding trial was conducted with ninety 90 point of lay (P.O.L) ISA brown birds, aged 20 weeks, to evaluate the effect of toasted bambara nut waste (BNW) meal based diets on performance and egg quality. The BNW was incorporated into five (5) layer diets at 0, 8, 16, 24 and 32%, 0% BNW was the control. The birds were randomly assigned to the 5 dietary treatments in a Completely Randomized Design (CRD) arrangement. Each treatment had 18 birds, with 6 birds/replicate. Performance indices were daily feed intake (DFI), weight change, feed conversion ratio (FCR), hen-day production (HDP) and hen-house production (HHP). Economic indices such as feed cost/bird, cost of producing dozen eggs and revenue from eggs were computed. Egg quality indices that were measured are egg weight (EW), shell weight (SW), shell thickness (ST), albumen height (AH), albumen weight (AW), yolk colour (YC), yolk height (YH), yolk diameter (YD), yolk weight (YW), yolk index (YI) and Haugh unit (HU). There were no significant (p>0.05) differences in HDP (41.60-48.80) and HHP (41.60-48.80) among the treatments. Final weight (1353.30-1520.00g), weight change (-96.67 to 146.67g), DFI (88.76-106.62g), dozen eggs (9.67-12.67), FCR (4.26-6.28) and egg number/bird were significantly (p 0.05) affected.
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