 more mature cows. So you're not seeing it in heifers, but you're seeing it in older cows. And you are noticing it in those who are actively lactating. So if she's dry, so to speak, right, she's currently got a calf cooking away and hasn't quite given birth yet, she's not going to have that problem. But she could get bird flu once she's back to lactating. So there are some fine-tuning things that are going on as we learn more about bird flu all the time. Absolutely.