Create a Stallion

To record Breeding Services or when storing Embryos or Semen Doses in nitrogen tanks, you will need to set the stallion.

To mark a standard male horse to be a Stallion you just need to set the sex and stallion flag:

If you want an external horse to be a Stallion in your account, but don't want to have them in My Horses, you just need to mark the horse as REFERENCE. This is what you need to do when you buy semen or embryos from external stallions.

Import stallion pedigree

It is always desirable to import the stallion's pedigree, rather than creating it manually.  See article on pedigree import