You probably already realized There are several valid reasons for wanting to your own cow.
Why use heirloom cows? To realize why heirloom cows are a great idea, compare them to their modern counterparts.
- Easier to handle with size
- More docile and intelligent
- Not as susceptible to disease
- Higher quality meat
- More milk/meat for feed input.
- Forage for feed
- Lacks the A protein that causes bloating
Larger breeds are modern breeds; with the exception of a few breeds breed for labor(1). Mini cows were just cows, as late as, the 20th century. Ranchers wanted to breed larger cows because it meant more money, come market time. Larger stock meant breeding larger cows and bulls.