How old are your bulls and cows and what difference does it make? /

Bibliographic Details
Main Authors:	Lush, Jay L. (Jay Laurence) (Author), Lacy, M. D. (Author)
Format:	Book
Language:	English
Published:	Ames, Iowa : Iowa Agricultural Experiment Station, 1932.
Edition:	Abridged edition.
Series:	Bulletin (Iowa State College. Agricultural Experiment Station) ; no. 290a.
Subjects:	Cattle > Age > Iowa.

Cushing: Dykes (Does not check out)