Fun fact: Max starred in a reality TV show on Animal Planet called Life at Vet U that followed six students in their clinical year of vet school. Oh, and if you're wondering why they need to artificially inseminate horses, it's because breeding can be very dangerous for both the stallion and mare. They can get injured during mating. Also, one ejaculate from a stallion can be used to inseminate many different mares. If a stallion has a strong pedigree, the ejaculate can be shipped to different horse barns around the US — or even around the world.