Crossbreeding Holstein-Friesian with Ethiopian Boran cattle in a tropical highland environment: preliminary estimates of additive and heterotic effects on milk production traits

Abstract

Extracted from text ... Crossbreeding Holstein-Friesian with Ethiopian Boran cattle in a tropical highlandenvironment: preliminary estimates of additive and heterotic effects on milkproduction traitsS. Demeke 1# , F.W.C. Neser 1 , S.J. Schoeman 2 , G.J. Erasmus 1 , J.B.Van Wyk 1 , and A. Gebrewolde 31 Department of Animal Science, University of the Orange Free State, P.O. Box 339, Bloemfontein, 9300, Republic of SouthAfrica; 2 Department of Animal Sciences, University of Stellenbosch, Private Bag XI, 7602 Matieland, Republic of SouthAfrica; 3 Ethiopian Agricultural Research Organization, P.O.Box 2003, Addis Ababa, Ethiopia# e-mail: sendros@landbou.uovs.ac.zaIntroductionThe Boran cattle breed is a zebu type that originated in the ..