Ukpabi et al Greener Journal of Agricultural Sciences Vol. 10(3), pp. 157-162, 2020 ISSN: 2276-7770 Copyright ©2020, the copyright of this article is retained by the author(s) https://gjournals.org/GJAS Growth Responses of Finisher Broiler Chickens Fed with an Unconventional Feedstuff Toasted Adenanthera pavonina Seed Meal as a Partial Replacement of Soybean Seed Meal U.H. Ukpabi; *C. L Elvis-Chikwem; E.I. Chikwem Department of Animal Science and Fisheries, Abia State University, Umuahia Campus, Nigeria. ARTICLE INFO ABSTRACT Article No.: 0831202111 Type: Research The effect of graded levels of toasted Adenanthera pavonina seed meal (TAPSM) on the performance, carcass and organ characteristics of finisher broiler chickens was investigated in a five-week feeding trial with 84 (5-week old) broilers divided into four groups of 21 birds per group with three replicates of 7 birds. Four experimental diets were formulated to contain 0, 10, 20, and 30% toasted Adenanthera pavonina seed meal (TAPSM), represented as T1, T2, T3, and T4, respectively. Birds were allocated to the diets in a completely randomized design and housed in a deep litter pen with feed and water offered ad libitum. Average daily weight gain (70.00, 72.53, 61.78 and 55.33 g), daily feed intake (170.79, 174.00, 136.00 and 100.00 g) and feed conversion ratio (2.39, 2.39, 2.20 and 1.81) decreased significantly (P<0.05) as the level of TAPSM increased in the diets. Dressing percent (92.37, 90.47, 89.60 and 80.56 %), breast (26.67, 22.81, 19.46 and 15.59 %), wings (10.27, 10.11, 8.15 and 7.67 %), drumstick (13.02, 12.33, 11.25 and 9.10 %), back (14.81, 13.37, 13.14 and 11.29 %) and neck (2.49, 2.11, 2.03 and 1.89 %) decreased significantly (P<0.05) among treatment groups. Liver (2.08, 2.42, 2.88 and 2.94 %), heart (1.09, 1.00, 1.12 and 1.58 %), kidney (1.64, 1.67, 1.86 and 1.88 %), spleen (0.31, 0.31, 0.98 and 1.20 %) and gizzard (2.24, 2.21, 2.62 and 2.63 %) weights increased as the level of TAPSM in the diets increased, indicating that incorporating this novel feedstuff in finisher broiler diets at levels above 10% could reduce growth performance and decrease productivity, it is also noted that this feedstuff could contain some anti-nutritional elements that require more processing techniques to get to a minimal level other than toasting as evidenced in the increasing weight of the visceral organs such as the liver as the level of TAPSM increased in the diet. Therefore, this unconventional feedstuff should be used with caution in broiler finisher diets and should not exceed a 10% level of inclusion, otherwise would impair growth performance and carcass yield. Accepted: 01/09/2020 Published: 13/11/2020 *Corresponding Author C. L Elvis-Chikwem E-mail: mbachulorrita@ gmail.com Phone: +2348057671967 Keywords: Adenanthera pavonina; finisher broilers; performance; carcass; organ characteristics Return to Content View [Full Article – PDF] [Full Article – HTML] [Full Article – EPUB] Post-Publication Peer-review Rundown View/get involved, click [Peer-review] REFERENCES Abiola, S.S. (1999). Comparative utilization of toasted and cooked soybean in broiler ration. In Proceedings of 26th Annual Conference of Nigerian Society for Animal Production, 21-25th March, University of Ilorin, Ilorin, Nigeria. pp 84-86 Adiele, J.G., Audo, H.O., Madu, T., & Nwaogwugwu, R.O. (2005). Weather in 2005 at Umudike and its possible impact on root crops production. In: National Root Crops Research Institute Annual Report for 2005. pp 252 – 255. Akinmutimi, A.H., & Okwu, N.D. (2006). Effect of quantitative substitution of cooked Mucuna utilis seed meal for soybean in broiler finisher diets. 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