Mare horse

https://en.wikipedia.org/wiki/Mare

https://en.wikipedia.org/wiki/Filly

https://www.deephollowranch.com/mare-horse/

https://www.paskacheval.com/en/nutrition-horse/expert/mares-heat-ovarian-plants

https://extension.umn.edu/horse-health/caring-your-mare-during-breeding-and-foaling

https://www.dictionary.com/browse/mare

https://www.royal-horse.com/advice/reproductive-cycle-of-the-mare/

https://wildhorsetour.com/faq/what-is-the-difference-between-a-mare-and-a-filly/

https://www.merriam-webster.com/dictionary/mare

https://nexgenvetrx.com/blog/equine/breedingproducts/what-is-the-best-age-to-breed-a-mare/