National Academy of Agricultural Sciences (NAAS)
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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcmas@gmail.com / submit@ijcmas.com Editor-in-chief: Dr.M.Prakash Index Copernicus ICV 2018: 95.39 NAAS RATING 2020: 5.38 |
Thorough postmortem examination of 195 broiler poultry carcasses brought to the Department of Veterinary Pathology; LUVAS was carried out to find out the cause of mortality. Gangrenous dermatitis condition was encountered in 3.58% of broilers of 6-12 weeks age group. In these cases mixed infection of Staphylococcus aureus (all cases), E. coli (one case) and Salmonella Gallinarum (one case) was found. Staphylococcus isolates were found to be most sensitive to ofloxacin (66.66%), followed by polymixin B (53.34%) and enrofloxacin (46.66%), whereas they were found resistant to cefixime (100%), ciprofloxacin, (100%), erythromycin (100%) followed by ceftriaxone tazobactam, amoxyclav, cefoparazone, tetracycline (86.6%). Overall 100% Staphylococcus aureus isolates showed multidrug resistant pattern (MDR). Grossly there was presence of exudative cellulitis in the subcutaneous tissues on lower abdominal, thigh and back regions and necrotization of feather follicles was observed. The liver appeared congested, hemorrhagic mottled along with paleness of bone marrow tissue. Main bacteria isolated from these chicks were Staphylococcus aureus. One chick was associated with Salmonella ser. Gallinarum infection showing bronze discoloration of liver along with enlargement, mottling and presence of multiple necrotic foci.
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