Colorado Statutes, Title 18, Article 9, Part 2
Colorado Revised Statute 18-9-202
Animal cruelty is defined as: “Knowingly, recklessly or with criminal negligence overdrives, overloads, overworks, torments, deprives of necessary sustenance, unnecessarily or cruelly beats, allows to be housed in a manner that results in chronic or repeated serious physical harm, carries or confines in or upon any vehicles in a cruel or reckless manner, or otherwise mistreats or neglects any animal, or causes or procures it to be done, or, having the charge or custody of any animal, fails to provide it with proper food, drink, or protection from the weather, consistent with the species, breed, and type of animal involved, or abandons an animal” or “recklessly or with criminal negligence tortures, needlessly mutilates, or needlessly kills an animal.”

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