Tex. Agric. Code § 143.033
If a person whose fence is insufficient under this subchapter maims, wounds, or kills a head of cattle or a horse, mule, jack, jennet, sheep, or goat, or procures the maiming, wounding, or killing of one of those animals, by any means, including a gun or a dog, the person is liable to the owner of the animal for damages. This section does not authorize a person to maim, wound, or kill any horse, mule, jack, jennet, sheep, goat, or head of cattle of another person.
Acts 1981, 67th Leg., p. 1345, ch. 388, Sec. 1, eff. Sept. 1, 1981.
Acts 2013, 83rd Leg., R.S., Ch. 958 (H.B. 1819), Sec. 1, eff. September 1, 2013.