Manzoor Ahmed Cheema Cheema, M. A., Qureshi, M. A., Havenstein, G. B., Ferket, P. R., & Nestor, K. E. (2007). Comparison of the immune response of 2003 commercial turkeys and a 1966 randombred strain when fed representative 2003 and 1966 turkey diets. POULTRY SCIENCE, 86(2), 241–248. https://doi.org/10.1093/ps/86.2.241 Cheema, M. A., Qureshi, M. A., & Havenstein, G. B. (2003). A comparison of the immune profile of commercial broiler strains when raised on marginal and high protein diets. International Journal of Poultry Science, 2(5), 300. https://doi.org/10.3923/ijps.2003.300.312 Cheema, M. A., Qureshi, M. A., & Havenstein, G. B. (2003). A comparison of the immune response of a 2001 commercial broiler with a 1957 randombred broiler strain when fed representative 1957 and 2001 broiler diets. POULTRY SCIENCE, 82(10), 1519–1529. https://doi.org/10.1093/ps/82.10.1519