Ngomat, M. S., W. Ncene, D. Mushimiyamana, and D. Kios. “Effect of Feed Rations on Semen Characteristics of Bulls at Kenya Animal Genetic Resources Center Nairobi Kenya”. European Journal of Applied Sciences, vol. 12, no. 1, Mar. 2024, pp. 572-8, doi:10.14738/aivp.121.16561.