Explanation should include

Process/Skill Questions:

When does estrus normally begin?
What is the recommended minimum age to breed a horse?
How long does estrus usually last?
How soon after parturition can a mare be bred?
What are four signs that a mare is in estrus?
How many days is a mare’s average gestation length?
Why is the foal heat important to breeders?
What signs are often used to detect impending foaling (e.g., softening of ligaments, behavior, waxing up)?