Forty field strains of Brucella abortus, obtained from milk and vaginal samples of naturally infected cattle, were heated in a waterbath at 65 degrees C, 75 degrees C, 80 degrees C for 60 to 120 minutes. Ninety-five per cent survived 65 degrees C for 120 minutes, 55 per cent survived 75 degrees C for 120 minutes, 25 per cent survived 80 degrees C for 120 minutes and 12.5 per cent survived 85 degrees C for 60 minutes. No isolates survived 85 degrees C for 75 minutes.
- British Veterinary Association. All rights reserved.
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