| After sedation - the active kitten was given
          butorphanol and acepromazine, the sedate kittens received medetomidine
          based sedation, one also received butorphanol, the other hydromorphone -
          the effects of which could not be distinguished one from the other | 
          | 
        IV catheter placement 20 minutes after 0.1
          mg/kg hydromorphone with 0.015 mg/kg medetomidine combined, given IM |