(of a stock animal) well-fed

(of livestock) to fatten up

body fat, esp. the layer of fat under the skin (used in reference to humans, animals or meat)

to lose weight (of cattle)

to feed livestock with highly nutritional food in order to fatten them up in a short time

to fatten cattle in a shed

(of a livestock animal) plump and strong

to gain weight in the fall (to prepare for winter)