Hunter Contracts Disease From Deer

  • Humans can contract bovine tuberculosis. In most cases, people get bovine TB from drinking unpasteurized milk. A spokesman from the Michigan Department of Community Health says contracting bovine TB from deer is rare. (Photo by Kia Abell)

In a rare event, a Michigan hunter has been diagnosed with bovine tuberculosis. Health officials are using the case to call for greater vigilance among hunters and farmers who could be exposed to the disease. The Great Lakes Radio Consortium’s Tracy Samilton
reports:

Transcript

In a rare event, a Michigan hunter has been diagnosed with bovine tuberculosis. Health officials are using the case to call for greater vigilance among hunters and farmers who could be exposed to the disease. The Great Lakes Radio Consortium’s Tracy Samilton reports:


The northern part of Michigan’s Lower Peninsula has been under quarantine since bovine TB was found in wild deer in 1994. It was later found in some of the area’s cow herds. The strain of bovine TB in Michigan is unique to that state, and this is only the second time it has been found in a human. The hunter caught the disease when he cut his hand while dressing an infected deer. T.J. Bucholz is a spokesman for the Michigan Department of Community Health. He says humans are vulnerable to bovine TB, but this case is unusual.


“This does occur, most often in people that consume unpasteurized milk, people can also be infected when you’re in close contact with live animals. This particular hunter’s direct contamination through a wound, so it’s a fairly rare occurrence.”


Other states in the Great Lakes are currently considered bovine TB-free. The disease was found in 1991 in captive elk herds in Wisconsin, but those herds have since been destroyed.


For the Great Lakes Radio Consortium, I’m Tracy Samilton.

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Odd Animal Behavior a Sign of Toxic Pollution

  • Odd animal behaviors have been noted in some birds, fish, and frogs. Researcher Ethan Clotfelter believes it may have something to do with exposure to toxic chemicals. (Photo by Sean Okihiro)

Toxic chemicals can sometimes be fatal to wildlife. Some researchers are now looking for more subtle signs of contamination. The Great Lakes Radio Consortium’s Mark Brush explains:

Transcript

Toxic chemicals can sometimes be fatal to wildlife. Some researchers are
now looking for more subtle signs of contamination. The Great Lakes Radio
Consortium’s Mark Brush explains:


Researchers are looking for birds that have a hard time standing up
straight, fish that are unusually aggressive, or frogs that seem a little
confused. These are signs that the animals might be affected by low-level toxic
contamination.


Ethan Clodfelter is a researcher at Amherst College. He studied data that looked at the behaviors of animals from all over the world. He says toxic chemicals that persist in the environment might explain why these animals are behaving oddly.


“What we really are trying to do is to come up with behavioral measures that
are good, sort of, early warning indicators. Because behaviors are very
highly variable kind of thing, and so you expect that even very small levels
of contaminants could induce changes in behavior long before you see six
legs growing out of frogs.”


Clodfelter says people, such as amateur bird watchers, have helped wildlife
officials identify odd animal behavior.


His review was published in the British research journal Animal Behavior.


For the Great Lakes Radio Consortium, I’m Mark Brush.

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