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Breeding / Calving Issues
Heat stress and preg testing
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<blockquote data-quote="Lucky_P" data-source="post: 1463069" data-attributes="member: 12607"><p>CC, </p><p>At this point in time, it's all sheer conjecture. </p><p>Heat stress and embryonic death are definite possibilities. 107 is pretty doggone hot... and I'll bet that it didn't cool down much at night, so they probably had a hard time dissipating much of that heat that built up over the day. </p><p>But... just because the bull was good in 2016... and again right now... doesn't mean that something didn't happen - either to his testicles or his 'wheels' that resulted in temporary infertility &/or inability/reluctance to service those heifers for a period of time. </p><p>A semen evaluation is just a snapshot of that particular point in time... and indicates that the development process that started 60 days prior has continued with no glitches. </p><p>Chasing infectious disease problems months out is problematic, and often unfruitful. The picture gets fuzzier the farther out from the event that you get. </p><p>I'm a firm believer in incorporating LeptoHB (hardjo-bovis) bacterins into vaccination programs. I see far more opens that potentially fit the picture of a LHB problem(early embryonic death) than I do mid-to-late-term abortions that we've historically associated with Leptospirosis.</p></blockquote><p></p>
[QUOTE="Lucky_P, post: 1463069, member: 12607"] CC, At this point in time, it's all sheer conjecture. Heat stress and embryonic death are definite possibilities. 107 is pretty doggone hot... and I'll bet that it didn't cool down much at night, so they probably had a hard time dissipating much of that heat that built up over the day. But... just because the bull was good in 2016... and again right now... doesn't mean that something didn't happen - either to his testicles or his 'wheels' that resulted in temporary infertility &/or inability/reluctance to service those heifers for a period of time. A semen evaluation is just a snapshot of that particular point in time... and indicates that the development process that started 60 days prior has continued with no glitches. Chasing infectious disease problems months out is problematic, and often unfruitful. The picture gets fuzzier the farther out from the event that you get. I'm a firm believer in incorporating LeptoHB (hardjo-bovis) bacterins into vaccination programs. I see far more opens that potentially fit the picture of a LHB problem(early embryonic death) than I do mid-to-late-term abortions that we've historically associated with Leptospirosis. [/QUOTE]
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