کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
2469476 | 1112054 | 2006 | 6 صفحه PDF | دانلود رایگان |
Faecal slurry of animal origin from sale yards and raw sewage from a sewage treatment plant were sampled for the radiometric culture over 5 months at approximately weekly intervals. Before the radiometric culture, samples were decontaminated using the double incubation method. One set of triplicate samples of slurry and sewage was decontaminated at 37 °C and the other set was decontaminated at 42 °C. M. a. paratuberculosis or its DNA was detected in seven of 45 cultures (15.6%) of slurry decontaminated at 37 °C and in 14 of 39 cultures (35.9%) of slurry decontaminated at 42 °C. The contamination rates in cultures of slurry processed at 37 °C and 42 °C were 82.2% and 69.2%, respectively. M. a. paratuberculosis DNA was also detected in one of 45 cultures (2.2%) of sewage decontaminated at 42 °C. The contamination rates in samples of sewage processed at 37 °C and 42 °C were 84.4% and 4.4%, respectively. Results of this study warrant further investigations to evaluate the suitability of a decontamination method at 42 °C for the isolation of M. a. paratuberculosis from faeces, tissues and milk.
Journal: Veterinary Microbiology - Volume 115, Issue 4, 20 July 2006, Pages 358–363