Menu
Forums
New posts
Search forums
What's new
New posts
New media
New media comments
New profile posts
Latest activity
Media
New media
New comments
Search media
Members
Current visitors
New profile posts
Search profile posts
Log in
Register
What's new
Search
Search
Search titles and first posts only
Search titles only
By:
New posts
Search forums
Menu
Log in
Register
Forums
Cattle Boards
Health & Nutrition
MLV Vaccines for Reproduction - Lucky_P
JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding.
You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an
alternative browser
.
Reply to thread
Help Support CattleToday:
Message
<blockquote data-quote="Lucky_P" data-source="post: 1008529" data-attributes="member: 12607"><p>You're spot-on, milkmaid; that's my justification for only doing Lepto and Clostridials. </p><p>Had a little run of infertility and a couple of abortions several years back - never confirmed them as L. hardjo-bovis, but everything about the deal suggested it, so we started using a HB vaccine - no problems since. Have done diagnostics on every aborted/stillborn calf (there's not been many) over the past 15 years - provided I find 'em before the buzzards/coyotes clean 'em up - and have not come up with a definitive Dx as to causation.</p><p></p><p>No, Ron, I don't do the viral vaccines on my cows or heifers - only on steers and heifers we're not retaining; sometimes I wonder if it's worth it, from MY economic perspective - sometimes I get a premium for weaned/vaccinated/bunk-broke calves - but if they're small numbers of non-uniform calves, even when sold in the 'value-added' sale at the local salebarn, I don't see that the buyers are kicking in enough to make up for the extra expense - but, it's the right thing to do for the calf.</p><p>I do use MLVs on the sale calves - often while they're still on their non-vaccinated dams. Have experienced nothing to suggest that viral shedding has been a problem - and field trials I've seen with naive cows penned with vaccinated calves showed no abortions or seroconversion of the non-vaccinates, so I don't worry too much about 'em.</p><p></p><p>FSR - If a mlv vaccine induced the abortion - and the IBR fraction would be the most likely culprit - it should be a fairly easy deal to isolate/detect IBR virus in fetal/placental tissues. </p><p>I routinely anticipate, on abortion/stillbirth diagnostic cases, that I'm only going to determine a definitive cause in less than 25% of 'em. Diagnosis rate goes up significantly if I get placenta, but if all I get is the fetus, I'm mainly hoping to 'rule-out' the common causes that the producer and their veterinarian can actually do something about, and if I find an 'answer' on 10% of 'em, I'm feeling lucky.</p><p>I'm always a little 'squinchy' about using MLVs in bred cows - but, if they've been properly vaccinated previously with an appropriate MLV product, and you're vaccinating within the approved 'window', you should be OK. But, as inyati indicated, you're probably safer if you use 'em on open heifers or cows prior to breeding - though you'd want to give the MLVs at least a month before you intend to breed 'em.</p></blockquote><p></p>
[QUOTE="Lucky_P, post: 1008529, member: 12607"] You're spot-on, milkmaid; that's my justification for only doing Lepto and Clostridials. Had a little run of infertility and a couple of abortions several years back - never confirmed them as L. hardjo-bovis, but everything about the deal suggested it, so we started using a HB vaccine - no problems since. Have done diagnostics on every aborted/stillborn calf (there's not been many) over the past 15 years - provided I find 'em before the buzzards/coyotes clean 'em up - and have not come up with a definitive Dx as to causation. No, Ron, I don't do the viral vaccines on my cows or heifers - only on steers and heifers we're not retaining; sometimes I wonder if it's worth it, from MY economic perspective - sometimes I get a premium for weaned/vaccinated/bunk-broke calves - but if they're small numbers of non-uniform calves, even when sold in the 'value-added' sale at the local salebarn, I don't see that the buyers are kicking in enough to make up for the extra expense - but, it's the right thing to do for the calf. I do use MLVs on the sale calves - often while they're still on their non-vaccinated dams. Have experienced nothing to suggest that viral shedding has been a problem - and field trials I've seen with naive cows penned with vaccinated calves showed no abortions or seroconversion of the non-vaccinates, so I don't worry too much about 'em. FSR - If a mlv vaccine induced the abortion - and the IBR fraction would be the most likely culprit - it should be a fairly easy deal to isolate/detect IBR virus in fetal/placental tissues. I routinely anticipate, on abortion/stillbirth diagnostic cases, that I'm only going to determine a definitive cause in less than 25% of 'em. Diagnosis rate goes up significantly if I get placenta, but if all I get is the fetus, I'm mainly hoping to 'rule-out' the common causes that the producer and their veterinarian can actually do something about, and if I find an 'answer' on 10% of 'em, I'm feeling lucky. I'm always a little 'squinchy' about using MLVs in bred cows - but, if they've been properly vaccinated previously with an appropriate MLV product, and you're vaccinating within the approved 'window', you should be OK. But, as inyati indicated, you're probably safer if you use 'em on open heifers or cows prior to breeding - though you'd want to give the MLVs at least a month before you intend to breed 'em. [/QUOTE]
Insert quotes…
Verification
Post reply
Forums
Cattle Boards
Health & Nutrition
MLV Vaccines for Reproduction - Lucky_P
Top