Age as a Factor Influencing Breeding Efficiency in a Dairy Herd

• 1 December 1940
• journal article
• Published by American Dairy Science Association in Journal of Dairy Science
• Vol. 23  (12) , 1171-1176
• https://doi.org/10.3168/jds.s0022-0302(40)92828-4

Abstract

Keywords

• HERDS
• PROGENY
• METHODOLOGY