Conn. Gen. Stat. § 22-363: Nuisance.

No person shall own or harbor a dog or dogs which is or are a nuisance by reason of vicious disposition or excessive barking or other disturbance, or, by such barking or other disturbance, is or are a source of annoyance to any sick person residing in the immediate vicinity. Violation of any provision of this section shall be an infraction for the first offense and a class D misdemeanor for each subsequent offense and the court or judge may make such order concerning the restraint or disposal of such dog or dogs as may be deemed necessary.