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Johnnes disease in cattle
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<blockquote data-quote="Bez" data-source="post: 104511" data-attributes="member: 412"><p>So you will ship her to the sale barn - along with the calf?</p><p></p><p>And help spread the problem?</p><p></p><p>Tell me it ain't so!</p><p></p><p>Bez</p><p></p><p>___________________________From an old Beef Mag</p><p></p><p>Battling BVD</p><p></p><p>By Clint Peck Senior Editor</p><p></p><p>Nov 1, 2004 12:00 PM</p><p></p><p>It should be no secret that in cow country bovine viral diarrhea (BVD) reduces productivity and increases death loss in all types and classes of cattle. But, controlling BVD is no small task.</p><p></p><p> </p><p>In an effort to get a handle on BVD, the state of Colorado and Colorado State University have initiated a long-term campaign to control BVD. Jim Kennedy, DVM, director of Colorado's Rocky Ford Veterinary Diagnostic Lab, says the Colorado Voluntary BVD Program is a multi-level effort (see sidebar on page 38) designed to:</p><p></p><p></p><p>Improve reproductive performance in the state's cattle herds.</p><p></p><p>Improve pre-weaning calf performance.</p><p></p><p>Lower calf treatment costs and death loss.</p><p></p><p>Provide more marketable cattle.</p><p></p><p></p><p>"Clinical signs of BVD have obvious impacts on infected animals," Kennedy says. "But, more devastating are those animals that don't live up to potential through lower weight gains, increased disease susceptibility and diminished reproductive performance."</p><p></p><p>Kennedy credits the Academy of Veterinary Consultants and the American Association of Bovine Practitioners for their aggressive programs and protocols to address BVD. Key to these programs' success is the combination of testing, vaccination and biosecurity.</p><p></p><p>"Vaccinations are an integral part of any control or eradication program," Kennedy emphasizes. <u><strong>"But, both groups recognize vaccination alone won't control the disease."</strong></u></p><p></p><p>(added emphasis is mine - I did not know this!)</p><p></p><p>The major source of BVD infection is persistently infected (PI) animals. PIs result from cows being exposed to the virus during pregnancy and the fetal calf becoming infected. Although these calves often show no signs of illness, they can shed the virus in such numbers that even well-vaccinated animals are at risk.</p></blockquote><p></p>
[QUOTE="Bez, post: 104511, member: 412"] So you will ship her to the sale barn - along with the calf? And help spread the problem? Tell me it ain't so! Bez ___________________________From an old Beef Mag Battling BVD By Clint Peck Senior Editor Nov 1, 2004 12:00 PM It should be no secret that in cow country bovine viral diarrhea (BVD) reduces productivity and increases death loss in all types and classes of cattle. But, controlling BVD is no small task. In an effort to get a handle on BVD, the state of Colorado and Colorado State University have initiated a long-term campaign to control BVD. Jim Kennedy, DVM, director of Colorado's Rocky Ford Veterinary Diagnostic Lab, says the Colorado Voluntary BVD Program is a multi-level effort (see sidebar on page 38) designed to: Improve reproductive performance in the state's cattle herds. Improve pre-weaning calf performance. Lower calf treatment costs and death loss. Provide more marketable cattle. “Clinical signs of BVD have obvious impacts on infected animals,” Kennedy says. “But, more devastating are those animals that don't live up to potential through lower weight gains, increased disease susceptibility and diminished reproductive performance.” Kennedy credits the Academy of Veterinary Consultants and the American Association of Bovine Practitioners for their aggressive programs and protocols to address BVD. Key to these programs' success is the combination of testing, vaccination and biosecurity. “Vaccinations are an integral part of any control or eradication program,” Kennedy emphasizes. [u][b]“But, both groups recognize vaccination alone won't control the disease.”[/b][/u] (added emphasis is mine - I did not know this!) The major source of BVD infection is persistently infected (PI) animals. PIs result from cows being exposed to the virus during pregnancy and the fetal calf becoming infected. Although these calves often show no signs of illness, they can shed the virus in such numbers that even well-vaccinated animals are at risk. [/QUOTE]
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