OCCURRENCE AND ANTIBIOGRAM OF SALMONELLA SPECIES IN RAW AND LOCALLY FERMENTED MILK (NONO) IN ZARIA AND ENVIRONS, NIGERIA

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dc.contributor.authorTAMBA, Zainab
dc.date.accessioned2016-04-25T11:01:16Z
dc.date.available2016-04-25T11:01:16Z
dc.date.issued2015-10
dc.descriptionA DISSERTATION SUBMITTED TO THE SCHOOL OF POSTGRADUATE STUDIES, AHMADU BELLO UNIVERSITY, ZARIA, IN PARTIAL FULFILLMENT FOR THE AWARD OF A MASTER’S DEGREE IN VETERINARY PUBLIC HEALTH AND PREVENTIVE MEDICINE DEPARTMENT OF VETERINARY PUBLIC HEALTH AND PREVENTIVE MEDICINE, AHMADU BELLO UNIVERSITY, ZARIA, NIGERIAen_US
dc.description.abstractSalmonellosis is an important food-borne disease affecting both humans and animals. This study determined the presence and antibiogramof Salmonella species from raw and fermented milk. A total of 350 samples comprising 174 raw milk and 176 fermented milk samples were collected, using convenience sampling from different points/markets and nomadic (Fulani) herds in Zaria and environs. The Samples were examined for total aerobic count plate count (TAPC) while conventional biochemical method, Microbact 12E kit system and Salmonella polyvalent antisera were used to characterize and confirm Salmonella species. In addition, antibiotics susceptibility test was carried out on the isolates and minimum inhibitory concentration evaluation (MICE) was also conducted on the resistant isolates. The raw milk samples had TAPC with values that ranged between 0-9.5 log10CFU/ml, with a mean value of 7.42±0.14 log10 CFU/ml while fermented milk samples had TAPC values ranging between 0-7.9 log10CFU/ml, with a mean value of 7.22±0.19 log10 CFU/ml. A total of 14 (4%) Salmonella species were confirmed to be Salmonellaarizonae using the Salmonella polyvalent antisera from the total samples collected. Of these, 8 (4.6%) and 6 (3.4%) Salmonella species were isolated from raw and fermented milk samples respectively. Antibiotic susceptibility testing indicated that all the 14 isolates showed resistance to one or more antibiotic(s). Ten of the fourteen isolates were randomly selected and MICE test using strip containing amoxicillin and erythromycin antibiotics was carried out on 10 of the 14 Salmonella isolates. Only 1(10%) isolate viii was sensitive to amoxicillin strip with a value of 0.12μg/ml whereas the remaining 9 (90%) isolates showed resistance to the antibiotic, with the highest value being 256μg/ml. In conclusion, the high bacterial load beyond the permissible level in the milk samples, the presence of Salmonella species in the milk and also multidrug resistant strains of Salmonella species are of serious public health significance. Therefore, there is need for the nomads to take corrective measures through public health enlightenment so as avoid milk contamination by Salmonella speciesen_US
dc.identifier.urihttp://hdl.handle.net/123456789/7762
dc.language.isoenen_US
dc.subjectOCCURRENCE,en_US
dc.subjectANTIBIOGRAM,en_US
dc.subjectSALMONELLA SPECIES,en_US
dc.subjectRAW,en_US
dc.subjectLOCALLY FERMENTED MILK,en_US
dc.subject(NONO),en_US
dc.subjectZARIA,en_US
dc.subjectENVIRONS,en_US
dc.subjectNIGERIAen_US
dc.titleOCCURRENCE AND ANTIBIOGRAM OF SALMONELLA SPECIES IN RAW AND LOCALLY FERMENTED MILK (NONO) IN ZARIA AND ENVIRONS, NIGERIAen_US
dc.typeThesisen_US
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