 Yeah, flies can do a whole lot more damage than we think they can. Combining the stable fly and house fly together, house flies, we can see some disease transmission in terms of mastitis. Some respiratory diseases can be transported by flies. Stable flies specifically are just really painful and a stressor to the cattle. So if they're biting their legs 30, 40 times per day, they're stomping, they're throwing feed, they're bunching up in the middle of the barn,