Obun et al Greener Journal of Agricultural Sciences Vol. 3 (1), pp.048-054, January 2013 ISSN: 2276-7770 Research Paper Manuscript Number:110512219 DOI: http://dx.doi.org/10.15580/GJAS.2013.1.110512219 Health and Carcass implications of dietary inclusion of graded level of sun-cured Neem (Azadirachta indica, A. juss) leaf meal for broilers 1*Obun, C. O., 2Ukim, C. I., 3Olatunji, E. A. and 4Kehinde, A. S 1Department of Animal production, Federal College of wildlife management, New Bussa, Niger State 2 Nigerian Institute of Animal Science, Salt Lake Street, Maitama, Abuja 3Department of Animal Science, University of Abuja, Abuja Corresponding Author’s Email: obunotu @ yahoo.com, Phone (+234)8032452529 Abstract: The effects of feeding graded levels (0, 5, 10, 15 and 20%) of Neem leaf meals (NM) to broiler chicks on live weights, carcass and organ weights and blood constituents was investigated. Two hundred and forty (240) 7 days-old unsex broiler chicks (Arbor acres) were randomly allocated to five treatments of 48 birds each, replicated four times with 12 birds each in a completely randomized design. Feed and water were given ad-libitum till 56 days. The results of the live weights and carcass and organ weights decreased with increased NM inclusion in the diets. Haematological constituents were not affected (P>0.05) except the packed cell volume while the serum biochemical indices of birds fed 20 % NM diets were decreased (P<0.05) compared with those fed control, 5 %, 10% and 15% NM diets. Inclusion of 15% NM in broiler chicks’ diet had no adverse effects on live, carcass and organ weights and immunity responses. NM needs further treatment to improve inclusion levels beyond 15 % in broilers’ diets. 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