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VACCINATION FOR BRED HEIFERS
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<blockquote data-quote="milkmaid" data-source="post: 584323" data-attributes="member: 852"><p>Depends how long ago she was bred... it's recommended to vaccinate 3-4 weeks (minimum) prior to breeding because vaccination often causes an increase in body temperature and therefore decreased conception rates. So if we're talking about vaccinating a 45+ day bred heifer, you'd probably be fine. She's far enough along that an increase in body temperature won't affect the embryo. Now, if we're talking about a heifer that was bred last week, then no. Don't do it.</p><p></p><p>And the others are right about MLV versus killed vaccines. I take it a step further, and never vaccinate a bred cow with a MLV even if she's been vaccinated with the same MLV in the past.</p></blockquote><p></p>
[QUOTE="milkmaid, post: 584323, member: 852"] Depends how long ago she was bred... it's recommended to vaccinate 3-4 weeks (minimum) prior to breeding because vaccination often causes an increase in body temperature and therefore decreased conception rates. So if we're talking about vaccinating a 45+ day bred heifer, you'd probably be fine. She's far enough along that an increase in body temperature won't affect the embryo. Now, if we're talking about a heifer that was bred last week, then no. Don't do it. And the others are right about MLV versus killed vaccines. I take it a step further, and never vaccinate a bred cow with a MLV even if she's been vaccinated with the same MLV in the past. [/QUOTE]
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VACCINATION FOR BRED HEIFERS
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