University of Khartoum

Isolation and Identification of Escherichia Species Found In Human Specimens, Intestinal Tract of Animals and the American Cockroach (Periplaneta Americana)

Isolation and Identification of Escherichia Species Found In Human Specimens, Intestinal Tract of Animals and the American Cockroach (Periplaneta Americana)

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Title: Isolation and Identification of Escherichia Species Found In Human Specimens, Intestinal Tract of Animals and the American Cockroach (Periplaneta Americana)
Author: Mohammed, Sara Abdalla Abbas
Abstract: This study was carried out to isolate and identify various species of the genus Escherichia. Eighty nine specimens were examined, they were as follows: Thirty five samples were collected from small intestines of calves obtained from Elsalam, Elsabaloka abattoirs and (10) were collected from small intestines of sheep at Karrayalwatani abattoir. Thirty four samples were supplied by medical officers of many hospitals, they were isolated from male urine (6), female urine (4), adult male stool (4), adult female stool (3), newly born boys (8), newly born girls (2), wounds in male (5), wounds in female (2). Eight intestinal contents were collected from adult cockroaches and (2) were collected from cockroach larvae. All isolates were identified according to their microscopic cultural and biochemical specific properities. Calves contents revealed E.coli, E.vulneris and E.fergusonii while sheep revealed E.coli and E.vulneris. All human isolates as well as cockroach specimens revealed only E. coli. It was concluded from this study that species other than E.coli could be detected in the intestines of calves and sheep. Since most species of the genus Escherichiaare pathogenic for man and animal it deems essential to make proper identification of the various species.
URI: http://khartoumspace.uofk.edu/123456789/25002


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