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Vaccination questions
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<blockquote data-quote="Lucky_P" data-source="post: 1004286" data-attributes="member: 12607"><p>LL,</p><p>There's really no 'one size fits all' vaccination program - they all need to be tailored to your own specific needs/risks/desires. If you're constantly moving new cattle in/out, buying new cows, taking calves to shows, etc., - or if your neighbor across the fence is a cattle trader - you'll need a more extensive program than someone like me with a closed herd and no fence-to-fence contact with other cattle. This is one instance in which you really ought to visit with your veterinarian for their recommendations.</p><p></p><p>I used to be of the opinion that cattle that were adequately vaccinated against the clostridial organisms as calves were protected for life - but I've seen enough cases of blackleg/malignant edema in adult cattle - most frequently animals in an estrus synchronization program - that I routinely re-vaccinate my mature cows every 2-3 years. It's cheap insurance.</p><p></p><p>We ordinarily 'blackleg' calves here somewhere between 10-30 days, then booster when we're doing pre-weaning viral vaccinations. It's not exactly by label instructions, but it's worked (so far).</p><p></p><p>I have, for years, retained and used partial bottles of killed bacterin/toxoids - IF aseptic technique was used - no dirty or used needles in/out of the bottle, etc. Guess I feel better about minimizing bad results with 2-3 leftover doses in a 10-dose bottle than 30 doses in a 50-dose bottle - but I've held and used leftover 50s in the past. But, if you had a 'vaccine failure' or adverse response, it would all be on me(or you), because manufacturer's instructions were not followed, and they'd be 'off the hook', so far as any damages might be concerned.</p><p></p><p>I've detailed my problems with BLV infection in my herd before - upshot being: no potential replacement heifer or heifer/cow born here since we did our initial herd test, back in '07, EVER gets stuck with a needle or palpated with a sleeve that's been in another cow. Known BLV-infected cows and steers - yeah, I'll reuse needles - but I don't stick needles that have been in an animal into a bottle of vaccine or medicine. </p><p>Same concern holds if you have a history of anaplasmosis in your herd or in your area - work done at KSU showed that reusing a needle that had previously been stuck in an Anaplasma-infected carrier animal resulted in transmission of the infection almost 60% of the time. Oftentimes, when folks have a 'herd outbreak' of anaplasmosis, if they'd look back at the calendar, it often starts about 6 weeks after they 'worked the herd'.</p></blockquote><p></p>
[QUOTE="Lucky_P, post: 1004286, member: 12607"] LL, There's really no 'one size fits all' vaccination program - they all need to be tailored to your own specific needs/risks/desires. If you're constantly moving new cattle in/out, buying new cows, taking calves to shows, etc., - or if your neighbor across the fence is a cattle trader - you'll need a more extensive program than someone like me with a closed herd and no fence-to-fence contact with other cattle. This is one instance in which you really ought to visit with your veterinarian for their recommendations. I used to be of the opinion that cattle that were adequately vaccinated against the clostridial organisms as calves were protected for life - but I've seen enough cases of blackleg/malignant edema in adult cattle - most frequently animals in an estrus synchronization program - that I routinely re-vaccinate my mature cows every 2-3 years. It's cheap insurance. We ordinarily 'blackleg' calves here somewhere between 10-30 days, then booster when we're doing pre-weaning viral vaccinations. It's not exactly by label instructions, but it's worked (so far). I have, for years, retained and used partial bottles of killed bacterin/toxoids - IF aseptic technique was used - no dirty or used needles in/out of the bottle, etc. Guess I feel better about minimizing bad results with 2-3 leftover doses in a 10-dose bottle than 30 doses in a 50-dose bottle - but I've held and used leftover 50s in the past. But, if you had a 'vaccine failure' or adverse response, it would all be on me(or you), because manufacturer's instructions were not followed, and they'd be 'off the hook', so far as any damages might be concerned. I've detailed my problems with BLV infection in my herd before - upshot being: no potential replacement heifer or heifer/cow born here since we did our initial herd test, back in '07, EVER gets stuck with a needle or palpated with a sleeve that's been in another cow. Known BLV-infected cows and steers - yeah, I'll reuse needles - but I don't stick needles that have been in an animal into a bottle of vaccine or medicine. Same concern holds if you have a history of anaplasmosis in your herd or in your area - work done at KSU showed that reusing a needle that had previously been stuck in an Anaplasma-infected carrier animal resulted in transmission of the infection almost 60% of the time. Oftentimes, when folks have a 'herd outbreak' of anaplasmosis, if they'd look back at the calendar, it often starts about 6 weeks after they 'worked the herd'. [/QUOTE]
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