Texas Labor Code - LAB § 62.160. Agricultural Exemptions

(1) any livestock operation, without regard to size or type of location, in which the land produces forage or feedstuffs, including naturally or artificially revegetated forage or feedstuffs;

(2) breeding, feeding, watering, containing, maintaining, and caring for livestock;

(3) production of livestock in feedlots; and

(4) all other activities necessary or useful to the raising of livestock.