Detection of Staphylococcus aureus, Streptococcus spp., and Mycoplasma spp. with the study of hematological picture associated with pneumonia in calve. Tikrit J. Vet. Sci. 2022;(1):47-51. Accessed October 22, 2025. https://tjvs.tu.edu.iq/index.php/tjvs/article/view/16