SELECTION-GENETIC METHOD OF LEUKOSIS PROPHYLAXIS IN CATTLE

摘要

FIELD: veterinary. SUBSTANCE: difference of erythrocyte antigens of blood groups frequency occurring is determined in bulls with sick progeny and in cows with leukosis as compared with that of health animals. Then nascent young stock is accounted at selection for reproduction of herd in this population. EFFECT: increased effectiveness of leukosis prophylaxis in cattle. 1 tbl