Journal of Animal Science and Veterinary Medicine

JOURNAL OF ANIMAL SCIENCE AND VETERINARY MEDICINE
Integrity Research Journals

ISSN: 2536-7099
Model: Open Access/Peer Reviewed
DOI: 10.31248/JASVM
Start Year: 2016
Email: jasvm@integrityresjournals.org

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Comparative performance, carcass traits, offals and internal organs of broiler chickens fed dietary replacement levels of maize with yam peel meal, toasted bambara nut sievate and their composite

https://doi.org/10.31248/JASVM2025.549   |   Article Number: A0EF76B91   |   Vol.10 (3) - June 2025

Received Date: 17 March 2025   |   Accepted Date: 21 April 2025  |   Published Date: 30 June 2025

Authors:  Uza, O.* , Samson, K. S. , Ate, M. E. , Adagi, J. M. , Gege, B. M. and David, P. E.

Keywords: organs, performance., peel, Cost-benefit, Composite, offal, sievate.

ABSTRACT

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The study investigated the utilisation of yam peel meal (YPM), toasted bambara nut sievate (TBNS) and toasted bambara nut sievate–yam peel meal composite (TBNS-YPMC) as a dietary replacement for maize in broiler chicken diets. A total of 200 unsexed day-old broiler chicks were purchased and allowed a week of acclimatisation. Thereafter, 165 seven-day-old broiler chicks were randomly assigned to five dietary treatments in a completely randomised design with three replicates of 11 birds each for 56 days. The treatments included a control (T1: 0%), 20% yam peel meal (T2), 20% toasted bambara nut sievate (T3), 20% TBNS-YPMC (T4) and 40% TBNS-YPMC (T5). Results showed that birds on T3 and T5 (20% TBNS and 40% TBNS-YPMC) had significantly higher daily body weight gain (30.15 g/bird) and final body weight (1833.33 g/bird) compared to other treatments (p < 0.05). Feed conversion ratio (FCR) was significantly improved in T3 (2.95), while T2 had an FCR of 4.57. Mortality was highest and similar in T2, T3 and T4 (24.24%). Economic analysis revealed the lowest feed cost per kg (₦634.75) and highest gross profit ₦2,015.17) in T5 and T4, respectively. Carcass traits were significantly better in T3, with the highest plucked weight (1572.67 g), eviscerated weight (1319.00 g), and carcass weight (1197.00 g). The dressing percentage and primal cut yields, particularly breast and thigh, were also highest in T3 (67.69, 21.83 and 10.27%, respectively). The study concludes that partial replacement of maize with TBNS or its composite with yam peel meal, particularly at 40% TBNS-YPMC, can enhance broiler growth performance, carcass yield and economic efficiency. Toasted Bambara nut sievate (TBNS) or its combination with yam peel meal (TBNS-YPMC) be incorporated at a 40% replacement level for maize in broiler chicken diets is recommended.

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