Parks Canada has issued a request for proposals for tests in Riding Mountain National Park citing a "serious threat" to the livestock industry. The park in western Manitoba is home to just over 2,000 elk and officials estimate about four per cent are infected with the contagious respiratory illness.
Known as the “Lancaster subgroup,” the elk herd being targeted by sharpshooters has been especially problematic because many of the animals are suspected of having captive origins. As a result, they were less afraid of humans and prone to causing depredation problems by raiding farmers’ crops and livestock feed.
Nebraska and Texas are investigating positive cases of bovine tuberculosis to determine whether there has been an outbreak of the disease already confirmed in California, Minnesota (where it was found in northwest Minnesota), Michigan and New Mexico. The disease is considered untreatable in cattle, so both infected and uninfected animals in a herd usually are killed when bovine tuberculosis is found.
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