Hyera E, Kajuna J A, Nguluma A S, Marwa L J, Niyoifasha C J, Mlimbe M E, Rugaimukamu A P, Latonga P M, Ochanga P O, Shirima E J M, Mashingo M S H and Nziku Z C 2018: On-station comparison study on growth performance of Red Maasai and Black Head Persian lambs in Northern Tanzania. Livestock Research for Rural Development. Volume 30, Article #156. Retrieved , from http://www.lrrd.org/lrrd30/9/ehyer30156.html