Genetic and environmental factors influencing breeding efficiency, calving difficulty, and calf mortality in dual-purpose cattle
Subtitle: final annual report
By: principal investigator, Andrzej Żarnecki.
Contributors: Akademia Rolnicza w Krakowie. Dept. of Genetics and Animal Breeding.
Publisher: Dept. of Genetics and Animal Breeding, Academy of Agriculture
Published: 1984
Place of publication: Kraków, Poland
Language: eng
Number of pages: 45
Subjects: Cattle -- Breeding.; Cattle -- Poland -- Parturition.; Cattle -- Poland -- Mortality.
Notes: "April 1979-March 1984."

"Grant no. J-MOA-USDA-1 (Po-322), project no. PL-ARS-103."

Includes bibliographical references (p. 12-14).