Detection of Staphylococcus aureus, Streptococcus spp., and Mycoplasma spp. with the study of hematological picture associated with pneumonia in calve

Abstract

The current study aims to determine the dissemination of  Staphylococcus spp., Streptococcus spp., and Mycoplasma as causes of calves pneumonia, for this purpose 50 nasal swabs were collected for bacterial culture and DNA extraction, accompanied that 50 blood sample were collected from the same animals and 20 blood samples were collected from healthy calves.  The results showed that  Staphylococcus, Streptococcus, and Mycoplasma detected at the rates of  52%, 32%, and 26% receptively. From blood’s parameter, the results showed a significant  decrease in hemoglobin concentration, Red blood cell count,  and packed cell volume while a significant increase in   total leukocytic counts