Assertion: mare | /r/AtLocation | heat
Facets:
value: receptive to breeding
type: OTHER
Source sentences:
text: - to do this without hand breeding with these expensive horses MAKE SURE YOUR MARE IS FULLY IN HEAT
text: A stallion might repeat this several times an hour if they are around a mare who is in heat.
text: A mare that is in heat will generally tolerate a teaser (although this is not always the case), and may present herself to him, holding her tail to the side.
text: When the mare is in heat, the person inseminating introduces the semen directly into her uterus using a syringe and pipette.
text: In a way, then, the VNO is really a sex organ, helping stallions to identify when a mare is in heat and receptive to breeding, when she is out of season and likely to reject his advances, and when there might be a rival stallion in the area ready to steal his mares.
text: These stallion-like horses can be a major source of frustration and cause aggravation to mares, which are in heat, and a danger to their handlers.
text: When a mare is in heat, which lasts four to seven days, the oocyte develops within its follicle, a fluid-filled sac of cells that protects and nourishes it.