Alfaxalone induction dose following administration of medetomidine and butorphanol in the dog.

Objective: To determine in dogs the effects of medetomidine and butorphanol, alone and in combination, on the induction dose of alfaxalone and to describe the induction and intubation conditions.

Study Design: Prospective, randomized, blinded clinical trial.

Animals: Eighty-five client-owned dogs (ASA 1 or 2).

Alfaxalone in cyclodextrin for induction and maintenance of anaesthesia in ponies undergoing field castration.

Objective: To evaluate the induction and maintenance of anaesthesia using alfaxalone following pre-anaesthetic medication with romifidine and butorphanol in ponies undergoing castration in the field.

Study Design: Prospective clinical study.

Animals: Seventeen male ponies weighing 169 +/- 29 kg.

Bradyarrhythmia in an anaesthetised, elderly, hypertensive cat.

A 14-year-old neutered male domestic shorthaired cat was presented to the University Veterinary Centre Sydney for evaluation and treatment of dental disease. This cat developed an unusual bradyarrhythmia under anaesthesia. The possible causes and treatment of the dysrythmia are discussed.