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Possible Johne's cow
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<blockquote data-quote="Jeanne - Simme Valley" data-source="post: 576926" data-attributes="member: 968"><p>You are getting some mixed info. Johnes disease can be "masked" for many years if the animal is getting extremely good management (lots of feed - very little stress).</p><p>It is most commonly seen in 2-year olds when they calve (first major stress in their life).</p><p>Only newborns & very young calves "usually" can get it. So the weaned calves you bought should not be able to have caught it from her. Her newborn calf & others born after she arrived "could" have gotten it. But cattle cannot be tested til they are 2 years of age.</p><p></p><p>Their "brain" doesn't have anything to do with their diarhea. Johnes affects the lining of the stomach and they simply cannot digest anything they eat. They are usually STARVED all the time, eating & losing weight. But it does affect some cattle differently.</p><p></p><p>It is good management practive to have all your herd old enough tested. And a fecal test is better than a blood test but takes longer.</p><p></p><p>I may have some of my "facts" wrong. You should definately go to:</p><p><a href="http://www.johnes.org" target="_blank">http://www.johnes.org</a></p></blockquote><p></p>
[QUOTE="Jeanne - Simme Valley, post: 576926, member: 968"] You are getting some mixed info. Johnes disease can be "masked" for many years if the animal is getting extremely good management (lots of feed - very little stress). It is most commonly seen in 2-year olds when they calve (first major stress in their life). Only newborns & very young calves "usually" can get it. So the weaned calves you bought should not be able to have caught it from her. Her newborn calf & others born after she arrived "could" have gotten it. But cattle cannot be tested til they are 2 years of age. Their "brain" doesn't have anything to do with their diarhea. Johnes affects the lining of the stomach and they simply cannot digest anything they eat. They are usually STARVED all the time, eating & losing weight. But it does affect some cattle differently. It is good management practive to have all your herd old enough tested. And a fecal test is better than a blood test but takes longer. I may have some of my "facts" wrong. You should definately go to: [url=http://www.johnes.org]http://www.johnes.org[/url] [/QUOTE]
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