Genetic selection for immunity : technology
No matter whether you manage your cows on pasture or in commercial housing, it's a challenge to maintain a healthy herd of profitable and efficient cows. If a cow becomes sick, modern management and medicine are used to remedy the situation. If that's not possible, the unfortunate decision to cull the animal may have to be made. Either way, both result in added costs. But, what if it didn't have to be that way?