No it is not legal. Here are the criminal laws for such cruelty.
167.315. Animal abuse in the second degree. (1) A person commits the crime of animal abuse in the second degree if, except as otherwise authorized by law, the person intentionally, knowingly or recklessly causes physical injury to an animal.
(2) Any practice of good animal husbandry is not a violation of this section.
(3) Animal abuse in the second degree is a Class B misdemeanor.
167.320. Animal abuse in the first degree. (1) A person commits the crime of animal abuse in the first degree if, except as otherwise authorized by law, the person intentionally, knowingly or recklessly:
(a) Causes serious physical injury to an animal; or
(b) Cruelly causes the death of an animal.
(3) Animal abuse in the first degree is a Class A misdemeanor.
167.322. Aggravated animal abuse in the first degree. (1) A person commits the crime of aggravated animal abuse in the first degree if the person:
(a) Maliciously kills an animal; or
(b) Intentionally or knowingly tortures an animal.
(2) Aggravated animal abuse in the first degree is a Class C felony.
(3) As used in this section, "maliciously" means intentionally acting with a depravity of mind and reckless and wanton disregard of life.
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