Measure the chest girth to estimate weight. DAIRY - 3 separate scales for Holstein, Guernsey and Jersey's. BEEF - estimates the weight for feeder and beef breeding cattle. HORSE and PONY - estimates weight as well as showing height in "hands". Hog- estimates weight of hogs from 125 to 260lbs. All weigh tapes are made of "Tyvek" material that will not tear, stretch, rot or mildew.