In one survey, overloading two extra head of cattle increased bruising. To prevent skin blemishes, pig trucks should be cleaned after each load. Never bed pigs with straw during hot weather. Veal calves can require special care in transport because they are so young. People trucking and handling animals need to understand both wind chill factors and heat stress.
Wind chill can kill livestock.
Wetting the haircoat on cattle destroys its ability to insulate the animal's body. Death losses in cattle are often greatest when the temperatures are near freezing and either rain or freezing rain blows into a truck. Dry, cold weather is less hazardous to cattle because the coat retains its ability to insulate. Wind chill can make the back of a trailer very cold. The combination of high temperature and humidity is especially detrimental for pigs.