A pen starts to turn
Monday, a couple of pigs look quiet. By Wednesday three are sick and you medicate the whole pen to be safe. By the weekend a few more have gone — and nothing on paper to show a buyer why.
Sunday night, a message: one pig is drifting the wrong way and two pen-mates are starting to follow. Your vet gets the same, wherever they are. You pull those few and treat early — the break never runs the house.
Fewer losses, less medicine, and every reading kept on that pig’s record — proof of exactly what happened.