Feed Lot

NOV 2018

Feedlots and cow/calf operations in the beef industry who feed 500 or more has annually on grains and concentrates; maintain 500 or more beef cows; backgrounder, stocker/grower, preconditioner; veterinarian, nutritionist, consultant

Issue link: https://feedlotmagazine.epubxp.com/i/1044878

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4 FEED•LOT November 2018 bit, or at least considering a few changes. That story is on page 10. A few weather-related topics are also in this issue. In addition to the season of pumpkin spice and Christmas decorations, it's also time to be on the lookout for lice in your herd. Lice are more than an itchy pest. Lice can reduce red blood cells in cattle by 75 percent, leading to anemia. There are sev- eral treatment options. Read up on what might work the best in your situation on page 12. And sticking with our winter theme, now is the time to look at placing windbreaks for cattle, es- pecially in the northern climates. South Dakota State University assistant professor and extension livestock specialist Dr. Joseph Dar- rington shares his advice on den- sity, design and length-to-height ratio for windbreaks. That story is on page 14. Those are just a few highlights in this issue. I hope you find these tid- bits educational and quick to read. That's our goal at FEED•LOT—to provide you information to make or save you money and improve your operation. Happy Thanksgiving from our homes to yours! FL It's no secret that exercise i s g o o d f o r you. Decades o f s c i e n c e confirm that exercise im- proves health a n d c a n e x - tend your life. In fact, adding as little as 30 minutes of moderately intense physical activity to your day can help avoid a host of serious ailments. Reg- ular exercise can help you sleep better, reduce stress and brighten your mood in addition to several other things. But have you ever thought about how that might apply to cattle? Granted, a pen of cattle doesn't need 30 minutes of moderate- ly intense exercise, but what if light exercise could work toward prevention of bovine respiratory disease? In this issue, Dr. Ron Gill, professor and Extension live- stock specialist for Texas A&M AgriLife Extension looks at the positive effect exercising has on the health of newly arrived cattle. Gill spoke on the topic at the third annual Texas Veterinary Medical Diagnostic Laboratory BRD Con- ference this summer. Gill is convinced how high-risk calves are handled from the time they are unloaded can impact their health and performance throughout the rest of their life. He also be- lieves low stress handling would re- sult in lower sickness rates, deaths and retreats. You can read about Gill's philosophy starting on page 6. Along similar lines of prevention and positive outcomes related to bovine respiratory disease, I fol- lowed up with Robin Falkner, DVM with Zoetis on his concept of patho- gen loading and the impact it has on BRD incidence and treatment success. He offers several thoughts on typical management practices, pen management, equipment, facil- ities and other aspects of feedyard health. Are we compounding risk through our management strate- gies? Are we keeping sick cattle near the working chutes for ease of care, but then running freshly received cattle through that same chute and near those same, germ- filled pens? Are we inadvertently breaking down our own biocontain- ment strategies due to facility de- sign? Dr. Falkner's questions might leave you scratching your head a EDITOR'S DESK A POUND OF PREVENTION... BY JILL J. DUNKEL 1 L B P R E V E N T I O N

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