The word "dog", whenever used in sections 273.040 to 273.180 without qualifications, is intended to mean a female as well as a male dog over six months of age.
Mo. Rev. Stat. § 273.040
Dog defined
Known as the Animal Care Facilities Act
The act spans §§ 273–273 (41 sections).
Effective: 28 Aug 1939; (RSMo 1939 § 14555)
Official source: Missouri Revisor of Statutes. Reproduced from public-domain Missouri statutes; confirm against the official source for the current text. Not legal advice.