 So two things you've touched on. First of all, birth defects overall. Generally, if a cow has a birth defective calf, it's not going to happen again. It kind of depends. There's a few defects that can be heritable, but they're fairly rare. Most of the time, the breed associations have been very good at removing them. The vast majority of defects that we see, particularly like the one that you're describing, are fairly random, kind of like random chance in humans. I mean, occasionally, you know,