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Cattle Boards
Breeding / Calving Issues
What to look for after Lute?
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<blockquote data-quote="Koffi Babone" data-source="post: 1357036" data-attributes="member: 22429"><p>You need to inject 5 ml of lutalyse and 20 mg of dexamethasone (10 ml of dex 2 or 4 ml of dex 5). If the dose are not respected, obviously what is written below does not apply.</p><p></p><p>Usually, you will get results within 48 to 72 hrs. That being said, it does not mean you will see the embryo in that time frame.</p><p>The lutalyse and dexamethasone "kill" the tissue that produces progesterone (the hormone responsible for maintaining pregnancy), this typically takes about 2 to 3 days. Once the progesterone is gone, the cow no longer receives the signal to keep maintaining the pregnancy, so the fetal tissues start to degrade. Expulsion time varies more depending on the animal and environmental conditions.</p><p></p><p>If the cow was 3-4 months along, at expulsion you should see a fully form embryo the size of a rat/small cat.</p></blockquote><p></p>
[QUOTE="Koffi Babone, post: 1357036, member: 22429"] You need to inject 5 ml of lutalyse and 20 mg of dexamethasone (10 ml of dex 2 or 4 ml of dex 5). If the dose are not respected, obviously what is written below does not apply. Usually, you will get results within 48 to 72 hrs. That being said, it does not mean you will see the embryo in that time frame. The lutalyse and dexamethasone "kill" the tissue that produces progesterone (the hormone responsible for maintaining pregnancy), this typically takes about 2 to 3 days. Once the progesterone is gone, the cow no longer receives the signal to keep maintaining the pregnancy, so the fetal tissues start to degrade. Expulsion time varies more depending on the animal and environmental conditions. If the cow was 3-4 months along, at expulsion you should see a fully form embryo the size of a rat/small cat. [/QUOTE]
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What to look for after Lute?
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