Environmental influences on frequency of estrous cycles
By: R.E. Erb, M.H. Ehlers, and R.A. Morrison.
Contributors: Ehlers, M. H. 1918-; Morrison, R. A.
Series: Bulletin / State College of Washington. Agricultural Experiment Station -- no. 583.; Bulletin (State College of Washington. Agricultural Experiment Station) -- no. 583.
Publisher: State College of Washington, Agricultural Experiment Station
Published: 1958
Place of publication: Pullman, Wash
Language: eng
Number of pages: 30
Subjects: Dairy cattle -- Reproduction; Estrus
Notes: Cover title.

Bibliography: p. 25-28.