Applications of infrared in agriculture are almost endless. Lots of issues in the sector have to do with thermal management. Animal welfare and housing conditions are stronly related. Trees can provide shade for cows. Infections of utters and legs can get warm, and can be found using infrared. Animals use ears, tails, legs and other bodyparts to cool down. Invisable to the human eye, but visable in infrared. You can find some clips about chicken, icelandic horses, pigs and newborn lambs.