Анотація:
Aim. Analisis of gene BOLA-DRB3 polymorphism of breeding bulls. Methods. We used the method of PCR-RFLP. Results. Spectrum of resistance and susceptibility alleles has beende terminated. Conclusions. Results obtained will be used to composite cattle leucosis resistance herd.
Key words: breeding bulls, BOLA-DRB3 gene, stable alleles, sensitive alleles.