R. Javed, T. Usman, S. Niaz, N. Ali, H. Baneh, K. Ullah, I. Khattak, M. Kamal, S. Bahadar, N.U. Khan, S. Khan, Y. Wang, Y. Yu and Mostafa K. Nassar, 2024. Effects of Genetic and Environmental Factors on Mastitis and Performance Traits in Various Breeds of Dairy Cattle Maintained at Khyber Pakhtunkhwa, Pakistan. Pakistan J. Zool., 56: 1909-1915. DOI: https://dx.doi.org/10.17582/journal.pjz/20211207121211