2022 Annual Apiculture Winterloss Report - OMAFRA

A reveiw of the winterloss data collected by OMAFRA regarding the overwinter loss of bees in Ontario from the 2021-2022 winter season (last year).

Overwinter mortality for 2021-2022 for commercial beekeepers operating in Ontario was estimated to be 49%, up significantly from the 18% estimated for the winter of 2020-2021.
The estimate for commercial beekeepers in Ontario was approximately 2% less than the estimated loss reported for small-scale beekeepers (51%).
The 2022 estimation for honey bee loss averaged between all of Canada was 46%.