Ajayi, F.O. and Ejiofor, O., 2006. Genotype and sex variation in the early growth responses of Ross and Anak broiler strains in the high rainforest zone of Nigeria. Proceedings 11
Annual Conference of Animal Science Association of Nigeria (ASAN), September, 18-21, 2006, I.A.R.&T., Ibadan. pp. 245-248.
Akpa, G.N., Ijomanta, E.O., Onimisi, P.A. and Abdulrashid, M., 2006. The non-linear dynamics of daily growth and daily feed intake in an Anak 2000 broiler chickens. Proceedings 11
Annual Conference of Animal Science Association of Nigeria ASAN), September 18-21, 2006, I.A.R&T., Ibadan, Nigeria. pp. 286-287.
Awobajo, O.K., Akintan, Y.M., Igbosanu, A.O., Mako, A.A. and Olatokunbo, O.T., 2007. The mortality rate in the two breeds of broiler on brooding stage. World Applied Sciences Journal, 2, 304-308.
Bandyopadhyay, P.K., Bhakta, J.N. and Shukla, R., 2006. Effects of stocking density on feed and water intake, behavior and growth of both Australop and Rhode Island Red for production of three weeks bird. Tamilnadu Journal of Veterinary and Animal Sciences, 2, 96-101.
Bilgili, S.F, and Hess, J.B., 1995. Placement density influences broiler carcass grade and meat yields. Journal of Applied Poultry Research, 4, 384-389.
Cahaner, A. 2008. Breeding broilers for hot conditions. Nigerian Poultry Science Journal, 5, 156-163.
Cravener, T.L., Roush, W.B. and Mashaly, M.M., 1992. Broiler production under varying population densities. Poultry Science, 71, 427-433.
Dawkins, M.S., Donnelly, C.A. and Jones, T.A., 2004. Chicken welfare is influenced more by housing conditions than by stocking density. Nature, 427, 342-344.
Dozier, W.A.III, Thaxton, J.P., Branton, S.L., Morgan, G.W., Miles, D.M., Roush, W.B., Lott, B.D. and Vizzier-Thaxton, Y., 2005. Stocking density effects on growth performance and processing yields of heavy broilers. Poultry Science, 84, 1332-1338.
Estevez, I., 2007. Density allowances for broiler: where to set the limits? Poultry Science, 86, 1265- 1272.
European Commission., 2000. The welfare of chickens kept for meat production. Health and Consumer Protection Directorate General, European Commission, Brussels.
Fairchild, B.D., 2005.Broiler production systems: The ideal stocking density. University of Georgia-Poultry Science.
Feddes, J.J.R., Emmanuel, E.J., and Zuidhof, M.J., 2002. Broiler performance, body weight variance, feed and water intake, and carcass quality at different stocking densities. Poultry Science, 81, 774-779.
Grosso, J.L.B.M., Balieiro, J.C.C., Eler, J.P., Ferraz, J.B.S., Mattos, E.C., Filho Michelan, T., Felicio, A.M. and Rezende, F.M., 2009. Estimates of genetic trend for carcass traits in a commercial line. Genetics and Molecular Research, 8, 97-104.
Kleczek, K., Wilkiewicz-Wawro, E., Wawro, K. and Makowski,W., 2007. Effect of body weights of day-old muscovy ducklings on growths and carcass traits. Arch.Tier. Dummmerstorf, 2, 204-213.
Lee, K, and Moss, C.N., 1995. Effects of population density on layers performance. Poultry Science, 74, 1754- 1760.
Mohamed, M.A., Hassan, H.M.A. and EL-Barkouky, E.M.A., 2008. Effect of mannan oligosaccharide on performance and carcass characteristics of broiler chicks. Journal of Agriculture and Social Sciences, 4, 13-17.
Mtileni, K.A., Nephawe, A.E. and Benyi, K.N., 2007. The influence of stocking density on body weight, egg weight, and feed intake of adult broiler breeder hen. Poultry Science, 86, 1615- 1619.
Nielsen, B.L., Thomsen M. G., Sorensen, P. and Young, J.F., 2003. Feed and strain effects on the use of outdoor areas by broilers . British Poultry Science, 44, 161-169.
NIMET., 2008. Nigerian Meteorological Agency, Lafia, Nasarawa State.
Oluyemi, J.A. and Roberts, F.A., 2000. Poultry production in warm wet climates. 2nd Edn., Spectrum Books Ltd., Ibadan, 244 pp.
Puron, D., Santamaria, R. Segura, J.C. and Alamilla, J.L., 1995. Broiler performance at different stocking densities. Journal of Applied Poultry Research, 4, 55-60.
Ravindran, V., Thomas, D.V., Thomas, D.G., and Morel P.C.H., 2006. Performance and welfare of broilers as affected by stocking density and zinc bacitracin supplementation. Animal Science Journal, 77, 110-116.
Skomorucha, I. and Muchacka, R., 2007. Effect of stocking density and management on the physiological response of broiler chickens. Annals of Animal Science, 7, 321-328.
SPSS.,2001. Statistical Package for the Social Sciences. SPSS Inc.,New York.
Ukachukwu, S.N. and Anugwa, F.O.I., 1995. Bioeconomics of feeding raw or treated soya beans to broilers. Nigerian Journal of Animal Production, 27, 137-147.