Most mini cow breeds have horns Until the bloodline is polled (bred to get hornless). Miniature cattle can get dehorned with no harming the animal. The full-size Holstein is the dominant dairy cow in the USA. The Mini Holstein follows suit which is the go-to breed for your small homestead https://miniaturehighlandcowforsa33736.nizarblog.com/28698587/miniature-highland-cow-cost-an-overview