Mo. Rev. Stat. § 578.050: Bullbaiting and cockfighting — penalty.

1. A person commits the offense of bullbaiting or cockfighting if he or she:

(1) Keeps, uses, or in any way is connected with or interested in the management of, or receives money for the admission of any person to, any place kept or used for the purpose of fighting or baiting any bull, bear, cock, or other creature, except dogs;

(2) Encourages, aids, assists, or is present at any place kept or used for such purpose; or

(3) Permits or suffers any place belonging to him or her, or under his or her control, to be so kept or used.

2. The offense of bullbaiting or cockfighting is a class A misdemeanor.