Synchronization of estrus in the beef cow on the Southern Indiana Forage Farm /
Garrigus, Robert R.,1936-author.
Peterson, R. C.(Robert Cooper),1922-author.
Callahan, C. J.,author.
Purdue University.Agricultural Experiment Station.
Caption title.
"Project 1306. April, 1964."
Beef cattle
Estrus.
Beef cattle
Estrus.