03/06/2026
Squealing Mares. ๐ทMusic to our ears here in the HHVS breeding program as it means we will see you soon for pre-breeding exams and cultures!
๐ฃAnyone else hear random squeals out in the pasture all last week? Why does this occur when there is still snow on the ground?
๐ฆWith the warm weather and longer days, mares from age 2 to 102 are finally thinking about spring and the return of their estrous cycles. Are they taking their hint from the birds? Sort of.
๐
Unless under a timed lighting protocol, Minnesota mares are generally not having breed-able cycles up here in MN... yet.
๐Sometimes they aren't supposed to be thinking of those *hot* โจ๏ธ geldings over the fence, or gossiping with their girlfriends. ๐ชLooking at you, Show Mares. ๐
๐But they can't help it--unless they are on supplemental progesterone/altrenogest, such as Regumate(R), mares will show signs of estrus (squealing, posturing, frequent urination, etc.) even if they are not truly in heat. Or if they have had both ovaries removed โผ๏ธ
๐In our experience the signs of being in heat tend to be strongest during the first stretch of warm weather in late winter and milder as spring progresses.
๐ก๏ธWith rain and cooler temperatures on the way, we anticipate less time dedicated to mare shenanigans. To be continued...
โณBonus: During late summer, this behavior signals the autumn transition period where mares cycle erratically prior to their winter break.
โ๏ธ Double-Bonus: Mares do not experience menopause; ๐they can cycle for life, often exhibiting stronger, sassier, lady-like behavior ๐
๐Now accepting your squealy mare for pre-breeding ultrasounds and cultures
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