الثلاثاء , 6 ديسمبر 2016
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الرئيسية » Veterinary » salmonellosis

salmonellosis

salmonella is one of the organism which cause bacterial food poisoning which restricted to cases or epidemics of acute gastro enteritis that are caused by ingestion of food contaminated with bacteria or thier product.bacterial food poisoning is more commonly caused by ingestion of foods contaminated with any of the numerous sero type of the genus salmonella. there are over 2510 different serrotypes such as s.typhimurium-s.choleraesuis-s.enteritidis-s.dublin-s.typhi and s.paratyphi  a,c and according to serotype envolved there are food poisoning caused by zoonotic strain and typhoid,paratyphoid fever caused by non zoonotic strain .

epdemiology and ecology

the most common clinical manefestation of salmonella  infection is agastroenteritis.the patient usually complains headache,vomits,abdominal pain,rise in temperature.the acute stage may last for2days but the patient rarely feels completely well until the7 day.prostration is un common in the acute stage but may occur after some days of illness and is due to dehydration as aresult of diarrhea and vomiting and the toxic effect of the salmonella infection.second syndrom of the disease is the enteric fever or septic syndrom.itmay follow gastro enteritis in children.there is high fever,often with severe headache and splenomegally .diarrhea is mild to absent(especialy in adult) and there may be constipation.third syndrom occurs in about 8%.it may follow septicemia or it may be the first manifestation of infection.localization occurs in any organ or tissue of the body,there may be an abscess or local inflamation such as bronchopneumonia,arthritis,pyelonephritis and endocarditis.the fatility rate may reach from5-20%

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