Bernard Nyamushamba G, Tavirimirwa B, D. Banana N. Non-genetic factors affecting milk yield and composition of Holstein-Friesian cows nested within natural ecological regions of Zimbabwe. Sci. J. Anim. Sci. [Internet]. 2013May28 [cited 2024Nov.24];2(5):102-8. Available from: http://sjournals.com/index.php/sjas/article/view/1081