The essentials for any horse breeding lease agreement – what both mare and stallion owners should look for in a breeding contract. Hillsborough County does not have a minimum size guideline but there must be a viable commercial operation on the property with the expectation of a profit.What's in our Breeding Contracts: OnSite Breeding Agreement, Shipped Semen Agreement, Broodmare Lease Agreement, Embryo Sale and Purchase Agreement. A breeding contract is vital to protect all parties of the contract, which include the owners of the mare and stallion, as well as the horses involved. Join our team and own your progression in the field of grant and contract awards. We provide team members with a checklist to fill out during the evaluation workshop phase of the Land. Impactful work, make a real difference to NZ's farmers! The History of Hillsborough, New Hampshire, 17351921: History and Description.