Calving difficulty of two-year-old Hereford dams and performance of calves sired by Angus and Hereford bulls
By: B.R. Eller and J.A.B. McArthur.
Contributors: McArthur, J. A. B.; Oregon State University. Agricultural Experiment Station.
Series: Special report -- 271.; Special report (Oregon State University. Agricultural Experiment Station) -- 271.
Publisher: Agricultural Experiment Station, Oregon State University
Published: 1969
Place of publication: Corvallis, Or
Language: eng
Subjects: Hereford cattle -- Parturition.; Hereford cattle -- Breeding.
Notes: Caption title.

"April 1969."

Includes bibliographical references (p. [4]).

Also issued online.