The Breeding Efficiency of Proved (Aged) Sires

• 1 November 1938
• journal article
• Published by American Dairy Science Association in Journal of Dairy Science
• Vol. 21  (11) , 725-737
• https://doi.org/10.3168/jds.s0022-0302(38)93027-9

Abstract

Keywords

• AGED
• BREEDING EFFICIENCY OF PROVED
• SIRES THE BREEDING EFFICIENCY