Status of bovine tuberculosis and its zoonotic implications in Borana zone, Southern Ethiopia (original) (raw)
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2020
A cross sectional study was conducted from October 2013 to April 2014 G.C on 384 heads of dairy cattle and 107 cattle owners, in and around Bonga town, south west Ethiopia. Comparative intra dermal tuberculin test and questionnaire survey were carried out to determine the prevalence of bovine tuberculosis and to assess its zoonotic implication, respectively. Systematic random sampling technique was used to conduct the comparative intra dermal tuberculin test. Multivariate logistic regression model was used to analyze the data. Accordingly out of 384 heads of dairy cattle the overall prevalence was estimated to be 1.56 % (6/384). Using 95% confidence interval statistically significant variables were observed among sign of chronic cough with progressive wastage of body condition (P=0.043) and the origin of dairy cattle (P=0.039). While simple random sampling technique was used to select cattle owners for interview and 107 were participated. Analysis of retrospective data of six and half years on human TB collected from Bonga general hospital revealed significant level of TB cases. From the total TB patients, 56% had pulmonary form of TB, while 44% had extra pulmonary form of TB patients registered. The result of the present study has revealed that relatively low prevalence of BTB in dairy cattle and poor awareness of the respondents on zoonotic implication of bovine tuberculosis. There should be segregation and practice of boiling of raw milk before consumption at home and awareness creation should be done for the whole society about bovine tuberculosis and its mode of transmission.
Prevalence of Bovine Tuberculosis in Dairy Cattle of Yeki District, Southern Ethiopia
Abstract: A cross-sectional study on bovine tuberculosis (BTB) was conducted in Yeki district, South West Ethiopia, from January 2014 to May 2014 to determine the prevalence of BTB and its zoonotic impact. Comparative intradermal tuberculin test (CIDT) and questionnaire survey were used for the study. The CIDT was conducted on 384 dairy cattle that include 169 (44%) local, 196 (51%) cross and 19 (4.9%) exotic breeds. A total of 31 households were interviewed in order to investigate the zoonotic impact of BTB in the study area. The data was analyzed by descriptive statistics and Chi square using SPSS version. The result of CIDT indicated that the overall prevalence of BTB in the study area was 1.56%. There was a significant difference (P<0.05) between body condition of individual cattle on the occurrence of BTB (25% for very thin, 5.66% for thin, 0.362% for normal and 0% for fatty dairy cattle). Similarly, the prevalence of BTB in local (1.77%), cross (0.5) and exotic (10.52%) breeds were showed a significant difference (P< 0.05). There were no significant difference occurred between different herd sizes and age (P>0.05). Out of 31 cattle owners presented for questioner 25.80% of them consume boiled milk and the rest 74.10% consume raw milk which make the knowledge of cattle raising family in the study are about zoonotic BTB was poor. There was a significant difference between the type of housing system, occurrence of cough and body condition (P<0.05). As BTB was found to occur in Yeki district among dairy cows, the construction of separate housing and the habit of boiling of milk should be practiced in order to reduce the prevalence and zoonotic impact of BTB in the study area. Key words: Bovine Tuberculosis Dairy Cattle CIDT Yeki District Zoonotic Impact