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Louisiana teachers' union concerned about educators' future; Supreme Court hears arguments in Trump immunity case; court issues restraining order against fracking waste-storage facility; landmark NE agreement takes a proactive approach to CO2 pipeline risks.

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Speaker Johnson accuses demonstrating students of getting support from Hamas. TikTok says it'll challenge the ban. And the Supreme Court dives into the gray area between abortion and pregnancy healthcare, and into former President Trump's broad immunity claims.

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The urban-rural death divide is widening for working-age Americans, many home internet connections established for rural students during COVID have been broken, and a new federal rule aims to put the "public" back in public lands.

What’s the Beef with Sore Cattle?

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Tuesday, September 3, 2013   

HELENA, Mont. - Cattle growers in Montana and around the country are rethinking feedlot practices after the drug firm Merck Animal Health recently pulled a popular growth-accelerating drug from the market. Zilmax was credited with helping cattle pack on up to 30 pounds of lean muscle in the weeks before slaughter, but it may also be associated with lame animals.

Dr. Temple Grandin, a professor at Colorado State University, is an animal scientist who worked for decades to make life better for animals raised for food. While the suspension of Zilmax is new, the problems she has noticed aren't. She said it's kept her up at night.

"It's a problem that really bothers me because I've worked hard to improve the slaughterhouses," she said. "We got the slaughterhouses fixed, and now we're getting some cattle that are stiff and sore."

There's no indication how long Zilmax will be off the market, and another, similar product is still available. Dr. Grandin said she doesn't think Zilmax should be banned, but that more research needs to be done on dosage and other conditions, such as heat.

Heat "makes them very difficult to handle, and those animals are suffering," Grandin said. "And I've made it very clear that it's a problem that needs to go away."

Zilmax is classified as a beta-agonist, and is also used to treat asthma in people. Right before the Merck decision, Tyson Foods announced it would no longer accept cattle that had been fed Zilmax.





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