Preliminary test results indicate that a dairy in west Texas is infected with bovine tuberculosis. There is no public health concern as milk from commercial dairies is pasteurized, killing bacteria with heat. Animals from the 2,600 head dairy were being prepared for sale and some reacted to TB skin tests. Follow-up blood tests also were positive.
Texas state veterinarian Dr. Bob Hillman said samples were collected from two of the cattle slaughtered for examination, and the tissues were submitted to the National Veterinary Services Laboratory in Ames, Iowa for additional testing. The lesions are microscopically compatible with TB, and additional tests have detected the DNA, or the basic genetic material of the disease.
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