Ndubuisi S. Machebe, Simeon O. Ugwu, C.S. Atu and Ndofor-Foleng H. Mbunwen 2013. Intake of Some Biological Seeds and Root Extracts of Plants Improves Fertility and Hatchability of Turkey Eggs. Journal of Basic & Applied Sciences. 9, (Jan. 2013), 538–542. DOI:https://doi.org/10.6000/1927-5129.2013.09.69.