 A lot of our calves, it's a little more subtle. And Yamina Laporta, who's at University of Wisconsin, actually she did a lot of the work in Florida, has done some work with calves over in Wisconsin looking at heat stress and how much it affects them. And actually, she had respiratory and rectal temperatures actually go up a little bit at a THI. For people that might not be familiar with the term THI, it's kind of a combination of what we use to measure temperature.