Animal Health Agency defends TB test.

After a bull which had been condemned to slaughter after testing positive for TB proved to be actually clear of the disease, the Animal Health and Veterninary Laboratories Agency has defended the test, saying that it is crucial in the fight against the killer disease.

The bull, Hallmark Boxster became the subject of a High Court battle in April 2010. Its owner, Ken Jackson of Walden Stubbs, South Yorkshire, argued veterinary workers had bungled the test by mixing test samples in the field. The High Court Judge ordered a re-test which proved the animal to be clear of the disease.

But animal health officials have insisted that the original test met guidelines.

“The test is incredibly effective, with a 97% success rate, but there’s always a very small possibility of a false result. The test is so accurate that if an animal tests positive we must look to remove it to stop this devastating disease spreading,” the Agency official said.

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