Texas Agriculture Code - AGRIC § 161.055. Slaughter Plant Collection

(a) The commission may require slaughter plants to collect and submit blood samples and other diagnostic specimens for testing for disease.

(b) The commission by rule shall determine the method of collecting, submitting, and testing of blood samples and other diagnostic specimens.

(c) The owner or operator of a slaughter plant commits an offense if the slaughter plant fails to comply with this section or a rule adopted under this section.  An offense under this subsection is a Class C misdemeanor unless it is shown on the trial of the offense that the defendant has been previously convicted under this section, in which event the offense is a Class B misdemeanor.