AHL Newsletter December 2022


In this issue:

Holiday schedule

Update from the Director

Specimen Reception update

Staff highlights

OAHN December 2022 update

OAHN December 2022 update

Antimicrobial susceptibility testing: Part 5 - Results reporting


Chronic proliferative rhinitis associated with Salmonella enterica subsp. diarizonae in a ewe

Ovine abortion due to Actinobacillus seminis and Histophilus somni


Tackling negative diagnostic test results: Focus on respiratory disease


Bacterial arthritis in broiler breeder chickens

Ventral opisthostoma tear in a Brazilian salmon pink bird-eating tarantula


Equine pastern leukocytoclastic vasculitis

Companion animals

Echinococcus multilocularis – A fatal tapeworm infection in a dog

A case of Chagas disease in puppy adopted from southern United States


AHL Newsletter

December, 2022 - Volume 26, Number 4   ISSN 1481-7179

Editor:  Maria Spinato, DVM, DVSc, Diplomate ACVP, MBA

Editorial Assistants:  Helen Oliver, Sofija Jelacic

The AHL Newsletter is published quarterly (March, June, September, December) by the Animal Health Laboratory, Laboratory Services Division, University of Guelph.

Its mission is to inform AHL clients and partners about AHL current activities, and laboratory-based animal disease events and disease trends.  All material is copyright 2022.  Ideas and opinions expressed herein do not necessarily reflect the opinions of the University or the Editor.

Articles may be reprinted with the permission of the editor and with appropriate credit given to the AHL Newsletter.

Mailing address & contact information:

Animal Health Laboratory

Laboratory Services Division, University of Guelph

Box 3612, Guelph, Ontario, Canada N1H 6R8

Phone: (519) 824-4120 ext. 54538; fax: (519) 821-8072

To receive an electronic copy of this Newsletter, please send your email address to us at holiver@uoguelph.ca