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Degrees and Honours


Membership of Professional Bodies / Associations

European College of Veterinary Anaesthesia and Analgesia
Association of Veterinary Anaesthetists


Originally from Yorkshire, Jackie graduated in 1983 as a veterinary surgeon from the University of Cambridge. After a brief period as a House Surgeon at the University of Glasgow, she trained in veterinary anaesthesia under Professor Ron Jones at Liverpool University. In 1986, she gained the RCVS Diploma in Veterinary Anaesthesia and started a PhD training looking at the 'Aspects of the Stress Response in Cattle' with particular reference to anaesthesia. During this time at Liverpool, Jackie did regular locums in small animal and equine practices. In 1990, she was awarded the PhD and moved to East Anglia to work as a Clinical Anaesthetist at the Animal Health Trust (AHT), Newmarket, with Dr Polly Taylor. In 1993 Jackie became Assistant Head of the Centre for Small Animal Studies at the AHT.

Dr Brearley moved to the University of Cambridge in September 2006, where she is now University Senior Lecturer in Veterinary Education ( and a Fellow of Lucy Cavendish College.

Although a University Teaching Officer, she holds the College position of Director of Studies for Clinical Veterinary Medicine. Jackie is also Chairperson of the College Audit Committee. As well as overseeing the clinical anaesthesia service to the Queen's Veterinary School Hospital, she is responsible for the lecture course in 'Preparation for the Veterinary Profession' (second year), 'Veterinary Education' and 'Emergency and Intensive Care' (fifth year).

Dr Brearley regularly lectures nationally and internationally to veterinary and medical groups. She reviews scientific papers for several international journals and reviews grant applications for national awarding bodies. She is active in the European College of Veterinary Anaesthesia and Analgesia and the Association of Veterinary Anaesthetists.

Research Interests

Analgesia; Clinical anaesthetic techniques.

Publications (selected)

  • P. Franci, E.A. Leece & J. C. Brearley - 'Post-anaesthetic myopathy / neuropathy in horses undergoing magnetic resonance imaging compared to horses undergoing surgery', Equine Veterinary Journal, 38: 497-501. doi: 10.2746/042516406X156505, (2006).
  • E.A.Leece, F. Corletto & J.C. Brearley - 'A comparison of recovery times and characteristics with sevoflurane and isoflurane anaesthesia in horses undergoing magnetic resonance imaging', Veterinary Anaesthesia and Analgesia, 35: 383-391. doi: 10.1111/j.1467-2995.2008.00399.x, (2008)
  • A. De Vries, J.C. Brearley & P.M. Taylor - 'Effects of dobutamine on cardiac index and arterial blood pressure in isoflurane-anaesthetized horses under clinical conditions', Journal of Veterinary Pharmacology and Therapeutics, 32: 353-358. doi: 10.1111/j.1365-2885.2008.01051.x, (2009).
  • N.M Girard, E.A. Leece, J. Cardwell, V.J. Adams & J.C. Brearley - 'The sedative effects of low-dose medetomidine and butorphanol alone and in combination intravenously in dogs', Veterinary Anaesthesia and Analgesia, 37: 1-6. doi: 10.1111/j.1467-2995.2009.00502.x, (2010).
  • J.C. Brearley - 'Local anaesthesia / analgesia of the limbs', Companion Animal, 16:55-60.doi: 10.1111/j.2044-3862.2010.00023.x, (2011).