Mo. Rev. Stat. § 273.010
273.010 Dog defined.
273.010. Dog defined. — The word "dog" , as used in sections 273.010 to 273.030 , shall be held and construed to mean all animals of the canine species, both male and female.
(RSMo 1939 § 14537) Prior revisions: 1929 § 12863; 1919 § 4353; 1909 § 857