Prevalence of Cryptosporidiosis in Calves in Large Scale Dairy Farms in Uasin Gishu County, Kenya

Ombula. K. Ombaka, Moses. M. Ngeiywa, Judith Makwali


Background: Studies were conducted on prevalence and distribution of Cryptosporidium parvum in calves aged below 3 months in University of Eldoret farm and other farms in Uasin Gishu County, Kenya for a period of six months in 2009.During the study period, 241 and 80 dung samples were collected from diarrhoeic and non-diarrhoeic calves respectively and microscopically examined.  Stool from the livestock was analysed for the presence of Cryptosporidium parvum oocysts by Zinc sulphate floatation technique followed by Ziel-Neelsen staining method. Results:   Prevalence of Cryptosporidium parvum in diarrhoeic calves was 75%, 70.6%, 62.5% and 38.5% for Kobilo, Sirikwa B, University of Eldoret and Sirikwa A farms respectively.  Prevalence of Cryptosporidium parvum in the non-diarrhoeic calves was 45%, 15%, 10% and 5% for the same farms respectively. Conclusions: Cryptosporidium parvum was positively related to the diarrhoeic status of the calves (p< 0.05).  The prevalence of Cryptosporidium parvum oocysts was significantly higher in diarrhoeic animals than in non-diarrhoeic ones.  It was concluded that the overall prevalence and distribution of Cryptosporidium parvum was associated with diarrhoea in calves.  However, there is need for a long term study to elucidate the effect of other risk factors for Cryptosporidium parvum infection in calves, and the occurrence of diarrhoea in relation to cryptosporidiosis and other infections.

Keywords: Cryptosporidium parvum, prevalence, diarrhoea, calves

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ISSN (Paper)2224-3208 ISSN (Online)2225-093X

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