| http://www.w3.org/ns/prov#value | - History of bTB outbreak in the herd and human antecedent of tuberculosis in the householdA 1996 cross-sectional study carried out in Ireland including more than 2 000 individuals (200 herds) failed to demonstrate that residual source of bTB infection was a main herd-level risk factor; however, this study mainly included store and beef enterprises, whose turnover is important [48].
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