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Presence of Mycobacterium avium subspecies paratuberculosis in suspensions of ovine trichostrongylid larvae produced in faecal cultures artificially contaminated with the bacterium
Journal article   Open access   Peer reviewed

Presence of Mycobacterium avium subspecies paratuberculosis in suspensions of ovine trichostrongylid larvae produced in faecal cultures artificially contaminated with the bacterium

J.B. Lloyd, R.J. Whittington, C. Fitzgibbon and R. Dobson
Veterinary Record, Vol.148(9), pp.261-263
2001
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Abstract

A reference strain of Mycobacterium avium subspecies paratuberculosis was added to faecal larval cultures of Haemonchus contortus, Ostertagia circumcincta and Trichostrongylus colubriformis. Samples of the larvae produced were cultured for the presence of the bacterium in modified BACTEC 12B medium, both before and after exposure to gamma irradiation. The water used to wash the larvae off the faecal cultures was also tested for the presence of the bacterium. Positive growth was confirmed as M avium subspecies paratuberculosis by IS900 polymerase chain reaction and restriction endonuclease analysis of the product. M avium subspecies paratuberculosis was detected in the unirradiated larval suspensions and wash waters of all three nematode species, and in the irradiated H contortus larval suspension.

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1 Clinical & Life Sciences
1.194 Tuberculosis & Leprosy
1.194.273 TB Diagnostics & Treatment
Web Of Science research areas
Veterinary Sciences
ESI research areas
Plant & Animal Science
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