?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Anti+Microbial+Resistance+Profile+of+E.+coli+isolates+From+Tropical+Free+Range+Chickens&rft.creator=Okoli+I%2C+Charles&rft.creator=K+F%2C+Chah&rft.creator=P+TE%2C+Ozoh&rft.creator=A+BI%2C+Udedibie&rft.subject=Online+Journal+of+Health+and+Allied+Sciences&rft.description=Normal+intestinal+flora+of+humans+and+animals+constitute+enormous+reservoir+of+resistance+genes+for+potentially+pathogenic+bacteria+and+may+serve+as+major+indictors+of+selection+pressure+exerted+by+anti-microbial+use+in+a+given+population.+A+study+was+conducted+in+September+2003+at+3+purposively+selected+peri-urban+sites+spread+across+3+senatorial+zones+of+Imo+state%2C+Nigeria+to+determines+the+anti-microbial+resistance+profile+of+commensal+E.+coli+isolated+from+free+range+chickens.+The+isolates+were+screened+for+anti-microbial+resistance+profile+against+10+antibiotics+using+the+disc+diffusion+method.+E.+coli+strains+from+local+fowls%2C+recorded+100+and+78.9%25+resistances+against+ampicillin+and+cotrimoxazole+respectively%2C+while+resistance+rates+against+ciprofloxacin%2C+gentamycin+and+norfloxacin+were+0.0%2C+5.3+and+5.3%25+respectively.+Isolates+from+free-range+cockerels+recorded+100%25+resistance+against+norfloxacin%2C+cotrimoxazole+and+ampicillin+and+83.3%25+against+nitrofurantoin.+Similarly%2C+isolates+from+old+layers%2C+recorded+100%25+resistance+against+nitrofurantoin%2C+cotrimoxazole%2C+tetracycline%2C+chloramphenicol+and+ampicillin+and+80%25+against+nalidixic+acid.+Similar+resistance+trends+were+observed+in+E.+coli+isolates+from+free-range+turkeys+and+broiler+roosters+against+the+inexpensive+broad-spectrum+first+line+antibiotics+(ampicillin%2C+nalidixic+acid%2C+cotrimoxazole%2C+nitrofurantoin+and+chloramphenicol)%2C+although+values+varied+slightly+across+poultry+types.+Resistances+against+gentamycin+were+consistently+low+in+isolates+from+the+different+types+of+poultry.+Twenty-nine+resistance+patterns+were+observed+in+the+E.+coli+isolates+with+predominant+patterns+being+distributed+widely+across+poultry+types+indicating+a+striking+diversity+of+resistance+patterns+in+the+areas.&rft.publisher=Dr.+B.S.+Kakkilaya&rft.contributor=Kakkilaya+Bevinje%2C+Dr.+Srinivas&rft.date=2005-11&rft.type=Journal+(On-line%2FUnpaginated)&rft.type=PeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Fcogprints.org%2F4699%2F1%2F2005-3-3.pdf&rft.identifier=++Okoli+I%2C+Charles+and+K+F%2C+Chah+and+P+TE%2C+Ozoh+and+A+BI%2C+Udedibie++(2005)+Anti+Microbial+Resistance+Profile+of+E.+coli+isolates+From+Tropical+Free+Range+Chickens.++%5BJournal+(On-line%2FUnpaginated)%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F4699%2F