Buy a registered Dexter cow-calf pair from Silver Bridge Farm. This 2-year-old ADCA-registered dun Dexter pair weighs 700 lbs combined. Non-chondrodysplastic tested (no bulldog gene). Johnes negative,… BVD PI negative, Brucellosis negative. The Dexter is the ultimate small-farm triple-purpose breed — producing rich milk (2+ gallons/day, often A2/A2 tested), quality small-carcass beef, and historically used for draft. The fastest-growing small-farm cattle breed in US ADCA registrations. Easy keeper on pasture alone. Ideal for 1-5 acre operations.