City University of Hong Kong-HK


BVSc, Mast. Vet. Stud. (Pathology), MANZCVSc (Pathology), Dip ACVP (Anatomic Pathology)
Registered Specialist Veterinary Anatomic Pathologist

Veterinary Anatomic Pathologist

Contact Information
Address:  Veterinary Diagnostic Laboratory,
Y1710, Bay 1, Yellow Zone, Academic Building 1,
City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong
Phone: 3442-7421
Fax: 3442-0819
Public CV:  Download

Adjunct Professor Allan Kessell is a member of the Australian and New Zealand College of Veterinary scientists in Pathology, and a Diplomate of the American College of Veterinary Pathology in anatomical pathology. He is a registered specialist in Anatomic Pathology in Australia.

Allan spent 8 years in mixed general practice after graduation, first in Australia and then in the Middle East. He then returned to Sydney University to complete a masters degree in pathology, followed by 7 years as a pathologist at Sydney University Veterinary faculty.

This was followed by 2 years as a lecturer at Texas A and M University, where he sat and passed his boards.

Following this, he spent 7 years as a senior diagnostic pathologist with a private pathology service in South Australia, which also included extensive work for the Department of Agriculture.

Allan returned to academia in 2011 for 3 years as a senior lecturer in Clinical Pathology at Charles Sturt University, and for 1 year as an Associate Professor of Anatomic Pathology at James Cook University.

He is a past president of the Pathology chapter of the ANZCVSc, and past head examiner for membership of the college in Australia. In addition to refereed publications, he has published numerous articles on aspects of veterinary diagnostics for veterinary practitioner continuing education.

Research Interests

  • All veterinary diagnostics
  • Genetic diseases, neurological diseases


  • Allan E Kessell, Derek McNair, John S Munday, Richard Savory, Catriona Halliday, Richard Malik.
    Successful treatment of multifocal pedal Prototheca wickerhamii infection in a feline immunodeficiency virus-positive cat with multiple Bowenoid in situ carcinomas containing papillomaviral DNA sequences.
    Journal of Feline Medicine and Surgery Open Reports 3:1, 1 - 7, 2017

  • M Parker, CP Gardiner, AE Kessell and AJ Parker
    Hypovitaminosis A in extensively grazed beef cattle.
    AVJ, 95:3, 80 - 84, 2017.

  • Joan Lloyd , Rongchang Yang, Allan Kessell, Una Ryan, Johann Schröder, David Rutley
    Detection of Chlamydia pecorum in joints trimmed from ovine carcases with arthritis at an abbatoir in southern Australia.
    Small ruminant research, 150, 80-86, 2017

  • Joan Lloyd , Allan Kessell, Idris Barchia, Johann Schröder, David Rutley
    Docked tail length is a risk factor for bacterial arthritis in lambs.
    Small Ruminant Research, 144, 17-22, 2016

  • AE Kessell, J Boulton, GL Krebs, JC Quinn
    Acute renal failure associated with Amaranthus species ingestion by lambs.
    AVJ, 93:6, 208 - 213, 2015

  • AE Kessell, GE Ladmore, JC Quinn.
    An outbreak of primary photosensitisation in lambs secondary to consumption of Biserrula pelecinus
    AVJ, 93:5, 174 - 178, 2015

  • AE Kessell, G Dutton, J. Boulton, R. Woodgate and S Shamsi, JH Connolly
    Haemolytic anaemia associated with Theileria sp. in a juvenile platypus
    AVJ, 92:11, 443-449, 2014

  • AE Kessell, E. Wilkes, S Raidal, EA Browne, K Hughes
    Diagnostic challenge: mare with clinical history of chronic respiratory disease.
    AVJ, 92:1-2, pp46-48, 2014

  • Quinn JC, Kessell AE, Weston LA
    Secondary Plant Products Causing Photosensitization in Grazing Herbivores: Their Structure, Activity and Regulation
    Int. J. Mol. Sci. 2014: 15, 1441-1465; doi:10.3390/ijms15011441

  • Thompson MF, Fleeman LM, Kessell AE, Steenhard L, Foster SF.
    Acquired proximal renal tubulopathy in dogs exposed to a common dried chicken treat: retrospective study of 108 cases (2007 - 2009).
    AVJ, 2013; 91:368-373