1. Abdulrashid, M., Agwuobi, L. N., Jokthan, G. E. & Abdul, S. B. (2007). Carcass quality characteristics of broiler finisher fed taro (Colocasiaesculanta) cocoyam meal. Proceedings of 32nd Annual Conference of Nigerian Society for Animal Production (pp. 457-460). Calabar, Nigeria: University of Calabar.
2. Abutu, J. A., Ugwu, S. O. C. & Onyimonyi, A. E. (2008). A comparison of physical characteristics of eggs laid by exotic and local hens at various ages. Proceedings of the 42nd Annual Conference of the Agricultural Society of Nigeria (ASN), (pp.635–639). Abakaliki, Nigeria: Ebonyi State University.
3. Aderemi, F. A, Adenowo, T. K. &Oguntunji, A. O. (2012). Effect of whole cassava meal on performance and egg quality characteristics of layers. Nigerian Journal of Animal Science, 5(2), 95-200.
4. An, S. H., Kim, D. W. & An, B. K. (2016). Effects of dietary calcium levels on productive performance, egg shell quality and overall calcium status in aged laying hens. Asian Australas. Journal of Animal Science, 29, 1477-1482.
5. Anaeto, M. &Adighibe, L. C. (2011). Cassava root meal as substitute for maize in layers ration. Rev Bras Ci^enciaAvícola, 13(2), 153-156.