AL-Luhaibe, K.A.A.A. and Al-Azzawi, S.H.J. 2019. Genetic polymorphism in HSP90AA1 gene and associated with the heat tolerance coefficient in Holstein cows at south of Iraq. Journal of agricultural, environmental and veterinary sciences. 3, 4 (Dec. 2019), 46–33. DOI:https://doi.org/10.26389/AJSRP.K210819.