OCCURRENCE AND RISK FACTORS ASSOCIATED WITH FAECAL SHEDDING OF CRYPTOSPORIDIUM OOCYSTSIN AVIAN SPECIES IN KANO METROPOLIS, NIGERIA

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dc.contributor.authorMUSTAPHA, Mahmud Alhaji
dc.date.accessioned2017-01-24T11:25:01Z
dc.date.available2017-01-24T11:25:01Z
dc.date.issued2016-03
dc.descriptionA DISSERTATION SUBMITTED TO THE SCHOOL OF POSTGRADUATE STUDIES, AHMADU BELLO UNIVERSITY ZARIA, NIGERIA IN PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE AWARD OF DEGREE OF MASTER OF SCIENCE IN AVIAN MEDICINE DEPARTMENT OF VETERINARY MEDICINE, AHMADU BELLO UNIVERSITY ZARIA, NIGERIAen_US
dc.description.abstractCryptosporidium is a coccidian parasite found infecting a wide range of mammals including man, birds and lower vertebrates. The aim of this study was to determine the occurrence and risk factors associated with faecal shedding of Cryptosporidium oocysts in avian species in Kano Metropolis, Nigeria. Faecal samples from three hundred and thirty avian species were examined for Cryptosporidium oocysts using Modified Ziehl Neelsen staining technique. The overall prevalence was 6.4%. Live bird markets had the highest prevalence rate of 10%, slaughter slabs and commercial farms had 4.55% and 4.55% respectively. The difference in the prevalence rates between sampling points was not significant (P>0.05). Based on species, turkeys had the highest prevalence rate of 18.75%, followed by ducks (9.09%), chickens (6.61%), guinea fowls(0%) and pigeons(0.0%).The prevalence of Cryptosporidiumamong the different avian species was not significant (P>0.05). The occurrence of Cryptosporidium oocysts in avian species based on Local Government Areas (LGAs) were also studied. Flocks in Dala LGA recorded the highest prevalence rate of 12.12%, while those in Kumbotso had the lowest prevalence of 1.52%. The association between Cryptosporidium oocysts and LGAs was not significant (P>0.05). Risk factors for the spread of Cryptosporidium oocysts by avian species were also studied and analyzed; source of birds (interstate OR=1.314; p=0.735), frequency of cleaning (not daily OR=1.859; p=6.756), source of feeds (not commercial OR= 2.604; p=0.126), source of water (well water OR=1.770; p=0.521) and types of cage (wooden cage OR=1.186, p=0.533) were found to have a high risk estimate for the spread of the Cryptosporidium, though not significant (p>0.05). This study has shown the presence of Cryptosporidium oocysts in poultry sampled in Kano Metropolis, Nigeria, which is of veterinary and public health significance. It is therefore imperative that public awareness should be embarked upon vii on the importance of biosecurity, so that the veterinary and public health significance of the disease can be prevented.en_US
dc.identifier.urihttp://hdl.handle.net/123456789/8504
dc.language.isoenen_US
dc.subjectFAECAL SHEDDING,en_US
dc.subjectCRYPTOSPORIDIUM OOCYSTSIN,en_US
dc.subjectAVIAN SPECIES,en_US
dc.subjectKANO METROPOLIS,en_US
dc.titleOCCURRENCE AND RISK FACTORS ASSOCIATED WITH FAECAL SHEDDING OF CRYPTOSPORIDIUM OOCYSTSIN AVIAN SPECIES IN KANO METROPOLIS, NIGERIAen_US
dc.typeThesisen_US
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