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More in Parasites

Apr. 1, 2010

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BAD ONE Ahead for Parasites in Cattle

If you're a brown stomach worm (Ostertagia), life is good. That's particularly true if you're an Ostertagia with a southern accent. A combination of last summer's drought and a wet, cool winter created conditions ideal for heavy Ostertagia loads this spring...More
Apr. 1, 2010

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Busting Pinkeye In Cattle

Growing up in Missouri, I saw firsthand the wonderful benefits that heat, humidity and high rainfall provide a fly population...More
Apr. 1, 2010

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Worm Wars

It used to be that when you treated cattle with an avermectin (a class of dewormer) you'd get 100% reduction in the egg count of gastrointestinal (GI) parasites, says Matt Poore, North Carolina State University (NCSU) animal science professor...More
Apr. 1, 2010

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Outsmarting Flies On the Ranch

The battle against flies is constant, but a combination of tactics can keep them at bay. Beyond chemical options, there are also biological methods to add to the mix; and being familiar with the various habits and behaviors of different flies can provide the most effective combination of tactics...More
Feb. 10, 2009

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Protect Cattle From Parasites: Help Clean Up Pastures

Only 5% of parasites live in cattle, which means 95% of parasites are on pastures....More
Jan. 19, 2009

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Texas Awarded Federal Grant To Fight Fever Ticks

USDA Secretary Ed Schafer says Texas animal health officials will have an extra $4.9 million to help fight cattle fever ticks from spreading into the U.S....More
Oct. 1, 2008

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A Lousy Deal

Now you see 'em. But mostly you don't. And that makes diagnosing a lice problem in your cattle a bit challenging. However, says Jack Lloyd, professor...More
Apr. 1, 2008

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Is Your Dewormer WORKING?

Anthelmintics (dewormers) are among history's miracle drugs. Since first introduced in the 1960s, these products have literally helped feed a growing...More
Nov. 1, 2007

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A Long, Thin Line

There are some words in an obscure country song that the tick riders along the Rio Grande River between Texas and Mexico can appreciate. It's a long,...More
Oct. 1, 2007

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Fever tick quarantine

At least 50 premises in Zapata County along the Mexican border in South Texas are in a temporary quarantine area designated in early September to prevent...More
Jul. 1, 2007

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Deworm nursing calves

Research has debunked the theory that calves don't have a sufficiently high level of parasitism to warrant treatment until weaning, or after....More
Apr. 13, 2007

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West Nile Warning: Mosquito Season Approaching

Late last summer, Randy Glover thought he was going to die; at times, he wanted to die. The resident of rural Billings, MT, was suffering from West Nile virus (WNV). "There were times in the hospital I wanted to ask the nurse for a gun," says Glover, ......More
Apr. 1, 2007

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Shoo, Fly

Those old-time Chinese warriors had some pretty sage wisdom know your enemy. To that, modern combatants in the annual Fly Wars add that it's a good idea...More
Apr. 1, 2007

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Be a Good Neighbor

Regardless of where you live, or the type of fly control you want to implement, working with your neighbor is worth exploring. Right now, the industry...More
Apr. 1, 2007

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Cattle-tick fight continues

Spinosad application is a useful addition to a tick-control program, say researchers at USDA-ARS Knipling-Bushland U.S. Livestock Insects Research Laboratory...More
Apr. 1, 2007

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West Nile Warning

Late last summer, Randy Glover thought he was going to die; at times, he wanted to die. The resident of rural Billings, MT, was suffering from West Nile...More
Nov. 14, 2006

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West Nile Virus Found In Sage Grouse

Since July 2006, greater sage-grouse deaths from West Nile virus have been reported in Oregon, Colorado, Idaho, Nevada, Montana, South Dakota, North Dakota and Wyoming. U.S. Geological Survey (USGS) investigators say more mortalities may be documented ......More
Oct. 3, 2006

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Drought Can Change Parasite Considerations

It may be drier than a teetotaler's liquor chest in some part of the world, but drought conditions can actually increase the challenge of parasites, says Dave Sparks, DVM, Oklahoma Cooperative Extension Service food animal quality and health specialist. ......More
Jul. 22, 2006

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USDA Celebrates Centennial Of Fever Tick Eradication

USDA marked a milestone this month in a continuing battle against "Texas fever ticks" in cattle -- it was 100 years ago, in 1906, that USDA established the National Cattle Fever Tick Eradication Program. At the turn of the century, the fever tick ......More
Apr. 1, 2006

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Weathering Parasites

Spring is the season of life. Some life you appreciate; some you don't. No matter where in the U.S. you live, worms, flukes, flies and other parasites...More
Apr. 1, 2006

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Fly Zone

No two ways about it the stress and energy loss caused by external cattle parasites result in fewer pounds of beef production. External parasites can...More
Mar. 13, 2006

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Begin Thinking About Insecticide Ear Tags

When used correctly, insecticide-impregnated ear tags can be one of the best pest-management tools at cattle producers' disposal. But beef producers shouldn't be cavalier about their use and application, says Larry Olson, Clemson University Extension ......More

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