Prevalence of Mycobacterium bovis Infection in Cattle in Borno State, Nigeria Based on Caudal Fold Intradermal Tuberculin Test

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Abubakar U. B.1*, , Ibrahim S.1, Danbirni S.1, Muhammad H.3, Lawson L.4, Abdulrazaq G. H.3, Kwaga J.P.2, Abdulkadir I. A.1

Abstract

The study aimed to determine the prevalence of Mycobacterium bovis infection in cattle in Borno State of Nigeria based on caudal
fold intradermal tuberculin test. Tuberculin testing was conducted using purified protein derivative (PPD) obtained from Prionics
Lelystad, Netherlands to screen cattle for M. bovis infection. A total of 3290 cattle, consisting 1223 males and 2057 females were
tested. The overall positives out of 3290 cattle tested were Three Hundred and Forty-Eight (348) with a prevalence rate of 10.6%(
95%CI = 8.3-15.1). Based on sex 139 were males with a prevalence rate of (11.3%, 95%CI = 9.2-14.7) while 209 were females
with a prevalence rate of 10.2% (95%CI = 8.9-13.9). The chi-squire (x2) test of significance based on sex shows the difference was
not statistically significant at P<0.05. This study has shown that the effect of age and body condition score of cattle tested on the
prevalence of Mycobacterium bovis infection as reflected by caudal fold intradermal tuberculin test is statistically significant
(P<0.05). In conclusion, this study highlights the importance of Mycobacterium bovis infection and the public health implications
of bovine tuberculosis in the study area in particular. Control measures are also being suggested.
Key words: Prevalence, Mycobacterium bovis, Intradermal tuberculin test, Borno State

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