Study the pathological changes and the bacterial and parasitic agents present in some internal organs of wild rats.

Abstract

In order to study the pathological lesion in some internal organs of wild rats as well as bacteriological and parasitic isolation. Post-mortom examination of 45 wild rats collected from different parts of baghdad city was done. The rsult showed that 29 rats from 45 were infected with Cryptosporidia spp , and Hymenolips spp . Bacteriological and pathological examination revealed the following bacterial Isolate and pathological changes : 1. Sub acute suppurative hepatitis , Klebisella spp, Salmonella typhimurium were isolated from this lesion . 2. Granulomatus hepatitis with isolates of Ps.aeroginosa , E. coli and Kl.spp. 3. Acute Fibrinous pericarditis with isolates of Ps. Aeruginosa, Strep. Pyogens. 4. Nephrosis . 5. Subacute suppurative entritis , with S. typhimurium and Cryptospordia spp . isolates. 6. Parasitic entritis .Cryptosporidia spp. and Hymenolips spp were isolated from infected tract . 7. Acute Hepatocellular degenration with bacterial isolates included Staph. aureus and proteus spp.