Factors influencing prolificacy of cattle.
By: [R.A. Morrison and R.E. Erb].
Contributors: Erb, R. E. 1917-1993.
Series: Technical bulletin -- 25.; Technical bulletin (Washington Agricultural Experiment Station) -- 25.
Publisher: Washington Agricultural Experiment Stations, Institute of Agricultural Sciences, State College of Washington
Published: 1957
Place of publication: [Pullman, Wash.]
Language: eng
Number of pages: 40
Subjects: Cattle -- Reproduction; Cattle -- Fertility
Notes: Cover title.

Bibliography: p. 36-40.