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Cattle Boards
Breeding / Calving Issues
cow not breeding back
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<blockquote data-quote="Bright Raven" data-source="post: 1495853" data-attributes="member: 27490"><p>I disagree with CB. It is not likely leptospirosis. Leptospirosis is more likely to cause abortions in the last trimester or mid term. Furthermore, leptospirosis would not affect one cow in the herd.</p><p></p><p><strong>Abortions associated with incidental host infection tend to occur late term and in groups or so-called "abortion storms." In contrast, abortions occurring after infection with serovar Hardjo tend to be more sporadic and can occur mid- to late pregnancy and several months after initial infection.</strong></p><p></p><p>If only one cow is affected and she is returning to estrus on an irregular basis, I would suspect she has a cystic ovary - multiple follicles. It is easily treated with cystorelin.</p><p></p><p>Merck is an excellent reference for livestock diseases. Read this to understand leptospirosis.</p><p></p><p><a href="http://www.merckvetmanual.com/generalized-conditions/leptospirosis/leptospirosis-in-ruminants" target="_blank">http://www.merckvetmanual.com/generaliz ... -ruminants</a></p></blockquote><p></p>
[QUOTE="Bright Raven, post: 1495853, member: 27490"] I disagree with CB. It is not likely leptospirosis. Leptospirosis is more likely to cause abortions in the last trimester or mid term. Furthermore, leptospirosis would not affect one cow in the herd. [b]Abortions associated with incidental host infection tend to occur late term and in groups or so-called “abortion storms.” In contrast, abortions occurring after infection with serovar Hardjo tend to be more sporadic and can occur mid- to late pregnancy and several months after initial infection.[/b] If only one cow is affected and she is returning to estrus on an irregular basis, I would suspect she has a cystic ovary - multiple follicles. It is easily treated with cystorelin. Merck is an excellent reference for livestock diseases. Read this to understand leptospirosis. [url=http://www.merckvetmanual.com/generalized-conditions/leptospirosis/leptospirosis-in-ruminants]http://www.merckvetmanual.com/generaliz ... -ruminants[/url] [/QUOTE]
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