Study of the allelic frequency of HSPA6 gene and its genotypes and their effect on some characteristics of milk production in Holstein cows. University of Thi-Qar Journal of agricultural research, [S. l.], v. 11, n. 2, p. 112–121, 2022. DOI: 10.54174/utjagr.v11i2.189. Disponível em: https://jam.utq.edu.iq/index.php/main/article/view/189.. Acesso em: 3 may. 2024.