Artificial insemination (AI) in horses is a breeding technique in which sperm from a stallion is collected and then manually introduced into the mare’s reproductive tract using specialized equipment. This is done in order to improve the chances of pregnancy, without the need for natural mating. The stallion may be local, or may be far away. This process can be done with fresh cooled semen, or frozen semen. The process involves collecting semen from the stallion using a specialized artificial vagina, which is designed to simulate natural mating. The semen is then evaluated to determine its quality, quantity, or motility. It may be extended or diluted with a special solution…