by Musa, AA, Orunmuyi, M, Akpa, GN, Olutunmogun, AK, Muhammad, H, Adedibu, II
Published in South African journal of animal science (01.01.2015)

by Alphonsus, C, Akpa, GN, Kpanja, EJ, Finangwai, IH, Byanet, O
Published in Agrosearch : a journal of agriculture, food, and development (02.08.2012)

by Akpa, G.N, Asiribo, O.E, Oni, O.O, Alawa, J.P, Dim, N.I, Osinowo, O.A, Abubakar, B.Y
Published in Tropical animal health and production (01.11.2002)

by Akpa, G. N., Asiribo, O. E., Oni, O. O.
Published in Journal of Applied Animal Research (01.12.2000)

by Akpa, G.N, Duru, S, Amos, T.T
Published in Tropical agriculture (01.10.1998)

by SSA Egena, GN Akpa, IC Alemede, A Aremu
Published in Journal of animal production (01.09.2012)

by C Alphonsus, IC Essien, GN Akpa, PP Barje
Published in Journal of animal production (01.09.2011)

by AO Iyiola-Tunji, GN Akpa, BI Nwagu, IA Adeyinka, CU Osuhor, TT Lawal, OA Ojo
Published in Animal Production: Indonesian Journal of Animal Production (01.09.2010)