The essentials for any horse breeding lease agreement – what both mare and stallion owners should look for in a breeding contract. This article will discuss why you should use a breeding contract, the essential elements of a breeding contract and considerations for special situations.Horse's registered name. Edit, sign, and share horse breeding contract download online. No need to install software, just go to DocHub, and sign up instantly and for free. I've seen a whole breeding season ruined due to a dirty maiden mare. Losses were high in the 5 digits for that stallion owner. Copy of signed breeding contract (Rebreeds must fill out a new contract for the current year). Please fill in the following information to help us in managing your mare. See breeding regulations for full details. 3. Mare.