TY  - SER
AU  - McGlothlen,M.E.
AU  - El Amin,F.
AU  - Wilcox,C.J.
AU  - Hunt Davis,R.
TI  - Effects on milk yield of crossbreeding Zebu and European breeds in the Sudan
KW  - Gado Zebu
KW  - Gado Ayrshire
KW  - Cruzamento Animal
KW  - Producao Leiteira
ER  -