Author: Agriculture & Food Laboratory

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

On Monday, February 20, 2025, AFL will be closed for Family 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 Family Day to you and your families. 

Sample Reception Hours: Monday, Dec 23 – 8 am to 4 pm Tuesday Dec 24 – 8 am to 4 pm Wednesday, Dec 25 – closed Thursday, Dec 26 – closed Friday, Dec 27 – 8 am to 4 pm Saturday, Dec 28 – closed Monday, Dec 30 – 8 am to 4 pm Tuesday, Dec 31 – 8 am to 4 pm Wednesday, Jan 1 –…

On Monday, October 9, 2023, 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. 

Purolator – Closed on Friday, Sept. 29, Normal operations on Monday, October 2 FedEx – Normal operations on Friday, Sept. 29, Ground only on Monday, October 2 UPS – Normal operations on Friday, Sept. 29, Closed Monday, October 2 Normal operations at AFL.

On Monday, September 4, 2023, 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 7, 2023, 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.