CBC Local Calgary News examines Canada’s food system in our series "Food for Thought" in the wake of the largest beef recall in Canadian history centered around the XL Foods meat processing plant near Brooks, Alta.

Monday: CBC Calgary asks if our food safety systems have gotten better in Canada in the last decade.  

Tuesday: CBC Calgary examines whether Alberta ranchers should vaccinate their cattle for E coli.  

Wednesday: CBC Calgary investigates the life of an apple. It might surprise you to find out how long ago the apple you recently ate was picked.  

Thursday: CBC Calgary raises questions about salmonella poisoning in Canada. Why have some European countries eliminated the harmful bacteria but Canada continues to see thousands of cases each year?  

Friday: CBC Calgary checks out expiry dates. Are they just arbitrary or do you really need to pay attention to the dates on our food?