 We haven't had to pull a calf in about five years. It's our idea that if your cows that are going to have in a couple of months are doing a lot of exercising, where they gotta go up and down hills, go to water and come back, we won't have as many calving problems because of that. We haven't had to pull a calf in about five years. We try not to let our cattle be in the barnyard unless it's absolutely necessary.