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Clostridium in calves
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<blockquote data-quote="Lucky_P" data-source="post: 989088" data-attributes="member: 12607"><p>jenna, </p><p>You can only do what you can do this year, but in the future, keep in mind that colostral antibody levels are pretty well 'set' by 5 weeks before calving. So... you want to do any vaccinations/boosters early enough that the dam will have had time to respond and have maximized her ability to produce those antibodies by that time. So...ideally, I'd want any vacc/boosters to be given no later than 8 wks prior to calving.</p><p></p><p>That said, there's also benefit - for beef calves - from continued production of antibodies(IgA) in the dam's milk, which can act as sort of an 'antiseptic paint' for the GI tract of that calf - and in some cases, such as with antibodies against rota/coronaviruses, the continued production of anti-corona or anti-rotavirus antibodies in milk for the first month or so is more important than the presence of those antibodies in colostrum, because for those two viruses, absorbed colostral antibodies circulating in the blood provide no protection against infection and disease.</p><p></p><p>The two products you're currently using are not intended to have any specific effect against Clostridium.</p></blockquote><p></p>
[QUOTE="Lucky_P, post: 989088, member: 12607"] jenna, You can only do what you can do this year, but in the future, keep in mind that colostral antibody levels are pretty well 'set' by 5 weeks before calving. So... you want to do any vaccinations/boosters early enough that the dam will have had time to respond and have maximized her ability to produce those antibodies by that time. So...ideally, I'd want any vacc/boosters to be given no later than 8 wks prior to calving. That said, there's also benefit - for beef calves - from continued production of antibodies(IgA) in the dam's milk, which can act as sort of an 'antiseptic paint' for the GI tract of that calf - and in some cases, such as with antibodies against rota/coronaviruses, the continued production of anti-corona or anti-rotavirus antibodies in milk for the first month or so is more important than the presence of those antibodies in colostrum, because for those two viruses, absorbed colostral antibodies circulating in the blood provide no protection against infection and disease. The two products you're currently using are not intended to have any specific effect against Clostridium. [/QUOTE]
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