Author: Agriculture & Food Laboratory

On Monday, October 13, 2025, AFL will be closed for Thanksgiving Day.  Should you have any questions, please contact us by email: aflinfo@uoguelph.ca, and we will respond to you as soon as possible. The AFL extends warmest wishes for a relaxing and safe Thanksgiving Day weekend to you and your families. 

Canada Post mail and parcels will not be processed or delivered for the duration of the national strike. Please use one of the major couriers during this time.

Purolator – Closed. FedEx – Normal operations. UPS – Closed. Normal operations at AFL.

On Monday, September 1, 2025, AFL will be closed for Labour Day.  Should you have any questions, please contact us by email: aflinfo@uoguelph.ca, and we will respond to you as soon as possible. The AFL extends warmest wishes for a relaxing and safe Labour Day weekend to you and your families. 

On Monday, August 4, 2025, AFL will be closed to allow our staff to observe the Civic Holiday. Should you have any questions, please contact us by email: aflinfo@uoguelph.ca, and we will respond to you as soon as possible. The AFL extends warmest wishes for a relaxing and safe Civic Holiday weekend to you and your families. 

Monday, June 30 (Normal operations), Tuesday, July 1 (Closed), Wednesday, July 2 (Normal operations).

E. coli O157:H7(NM), a specific serotype of Escherichia coli, causes severe intestinal infections in humans and is associated with illnesses such as diarrhea, hemorrhagic colitis, hemolytic uremic syndrome, and in some cases, death. This pathogen was first identified as the cause of a major outbreak linked to undercooked hamburgers in 1982 (Riley et al., 1983) and has…

On Monday, May 19, 2025, AFL will be closed for Victoria Day.  Should you have any questions, please contact us by email: aflinfo@uoguelph.ca, and we will respond to you as soon as possible. The AFL extends warmest wishes for a relaxing and safe Victoria Day weekend to you and your families. 

On Friday, April 18, 2025, AFL will be closed for Good Friday. Should you have any questions, please contact us by email: aflinfo@uoguelph.ca, and we will respond to you as soon as possible.

Keeping disease-causing microbes out of Ontario’s food supply. Dr. Shu Chen, Senior Research Scientist and Manager, Agriculture and Food Laboratory, University of Guelph https://www.uoguelph.ca/alliance/expert/shu-chen