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Doggy Diaper Designer
Posts: 2322
 
Location: WI | If a mare is bred and becomes pregnant on day one of heart cycle, will she stay in heat for more days to come or will she go right out of heat |
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 You get what you give
Posts: 13030
  
Location: Texas | she shows heat for a week. So you breed her while she is showing heat, and if she's pregnant, she won't cycle again. But she won't suddenly stop heat if bred on day one. |
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 Reaching for the stars....
Posts: 12708
| A mare typically shows heat for 3-7 days, average of 5 days. During those first days she will not be ready to ovulate. I breed on day 3, then 5 if still in heat, and I hope they aren't still in at day 7. In my experience, if they go to day 7, they don't take, but that's not scientific, simply several years of live cover experience. |
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 Best of the Badlands
Location: You never know where I will show up...... | We ultrasound all of ours, including our recip herd, and I can tell you that many times they will even show heat for 2-3 days after they have ovulated and gone out of heat. So just because they stand (or not) doesn't mean that they are actually in or out of heat.
I've had mares that had huge follicles via ultrasound, that were needing to be bred, NOT be receptive to a stallion and I've had mares with several small follicles that happened to be producing enough estrogen to "make" them think they were in heat, that were receptive to a stallion though nowhere close to being ready to breed.
The only reliable way of knowing is to ultrasound.
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 Canine Carryout Queen
Location: Oklahoma | rockinas - 2014-04-01 7:57 PM We ultrasound all of ours, including our recip herd, and I can tell you that many times they will even show heat for 2-3 days after they have ovulated and gone out of heat. So just because they stand (or not) doesn't mean that they are actually in or out of heat. I've had mares that had huge follicles via ultrasound, that were needing to be bred, NOT be receptive to a stallion and I've had mares with several small follicles that happened to be producing enough estrogen to "make" them think they were in heat, that were receptive to a stallion though nowhere close to being ready to breed. The only reliable way of knowing is to ultrasound.
 A lot of mares show heat 24-48 hours after ovulation! |
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