Degefa T, Lemma A, Tegegne A and Youngs C R 2016: Effects of genotype and FSH dose on estrus and ovarian response of Boran and Boran x Holstein Friesian cows in Ethiopia. Livestock Research for Rural Development. Volume 28, Article #169. Retrieved , from http://www.lrrd.org/lrrd28/9/dege28169.html