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V the V 2nd opinion please
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<blockquote data-quote="Anonymous" data-source="post: 11127"><p>Big help, thanks a lot. Pretty much spells out what my options are going to be.</p><p></p><p>dun</p><p></p><p>> There are two strains of</p><p>> BVD--cytotoxic and non-cytotoxic.</p><p>> Ensure that your vaccination</p><p>> program contains both strains.</p><p>> Anything pregnant under 145 days</p><p>> that picks it up could potentially</p><p>> have a persistently infected calf,</p><p>> so hopefully they're over that</p><p>> age. Of course, abortion happens</p><p>> to infections over that, so it's</p><p>> not really a great improvement. If</p><p>> possible, I'd disinfect everything</p><p>> possible. BVD will contaminate</p><p>> feeders, barns, etc but I haven't</p><p>> had much problem with dirt. Of</p><p>> course, we generally don't have</p><p>> new herds coming onto infected</p><p>> farms--it's usually infected</p><p>> cattle causing the problem. We</p><p>> also have some pretty long</p><p>> winters. In Canada, Triangle is</p><p>> one product which advertises that</p><p>> it has two strains-and it's a</p><p>> killed vaccine thus safe for</p><p>> anything pregnant. I'd ensure all</p><p>> calves are vaccinated for both</p><p>> strains--if killed, twice a month</p><p>> apart, preferably a month or more</p><p>> before the move for the</p><p>> second....if MLV at least 3 weeks</p><p>> prior to the move. I'd contact an</p><p>> extension agent or the area vet</p><p>> college for more information about</p><p>> which strains etc are in your area</p><p>> and the duration in your soil.</p><p>> Sorry I can't be of more help. V</p></blockquote><p></p>
[QUOTE="Anonymous, post: 11127"] Big help, thanks a lot. Pretty much spells out what my options are going to be. dun > There are two strains of > BVD--cytotoxic and non-cytotoxic. > Ensure that your vaccination > program contains both strains. > Anything pregnant under 145 days > that picks it up could potentially > have a persistently infected calf, > so hopefully they're over that > age. Of course, abortion happens > to infections over that, so it's > not really a great improvement. If > possible, I'd disinfect everything > possible. BVD will contaminate > feeders, barns, etc but I haven't > had much problem with dirt. Of > course, we generally don't have > new herds coming onto infected > farms--it's usually infected > cattle causing the problem. We > also have some pretty long > winters. In Canada, Triangle is > one product which advertises that > it has two strains-and it's a > killed vaccine thus safe for > anything pregnant. I'd ensure all > calves are vaccinated for both > strains--if killed, twice a month > apart, preferably a month or more > before the move for the > second....if MLV at least 3 weeks > prior to the move. I'd contact an > extension agent or the area vet > college for more information about > which strains etc are in your area > and the duration in your soil. > Sorry I can't be of more help. V [/QUOTE]
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