Premium
Survival of Mycobacterium avium subsp paratuberculosis in amitraz cattle dip fluid
Author(s) -
EAMENS GJ,
SPENCE SA,
TURNER MJ
Publication year - 2001
Publication title -
australian veterinary journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.382
H-Index - 59
eISSN - 1751-0813
pISSN - 0005-0423
DOI - 10.1111/j.1751-0813.2001.tb10676.x
Subject(s) - paratuberculosis , mycobacterium avium subsp. paratuberculosis , inoculation , feces , veterinary medicine , biology , amitraz , microbiology and biotechnology , mycobacterium , medicine , immunology , ecology , bacteria , genetics , acaricide
Objective To determine the survival time of Mycobacterium avium subsp paratuberculosis i n amitraz‐based cattle dip fluid derived from an active dip site in northern New South Wales. Procedure Following inoculation of triplicate 5 L containers with faeces (0.5 g/L) from a clinical case of bovine paratuberculosis, samples collected up to 8 weeks after inoculation were examined by conventional and radiometric culture. M a paratuberculosis colonies were enumerated on solid media. Results and conclusions M a paratuberculosis survived in amitraz cattle dip fluid for up to 2 weeks, but not 3 weeks. Where 1% of solids in dip fluid is derived from a clinical case of paratuberculosis, dip fluid may contain viable M a paratuberculosis for at least 2 weeks. These findings have implications for the management of cattle dip sites.