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Catalog

Ellen Topitzhofer

Ellen Topitzhofer

Publications authored or co-authored by Ellen Topitzhofer

EM 9297

Northern Giant Hornet: A Potential Threat to Honeybee Colonies in Oregon

Revised September 2022
The cover of PNW 742
PNW 742

Revenue Sources for a Commercial Beekeeping Operation in the Pacific Northwest

Published May 2020
The cover of PNW 743
PNW 743

Operational Equipment Expenses for a Commercial Beekeeping Operation in the Pacific Northwest

Published May 2020
PNW 744

Beekeeping Equipment Expenses: Woodenware and Other Components

Published May 2020
The cover of PNW 745
PNW 745

Honey Bee Colony Maintenance Expenses: Supplemental Feed, Requeening and Medication

Published May 2020
EM 9145

Dissecting Honey Bees for Tracheal Mites

Published June 2016
EM 9146

Nosema Analysis in Honey Bees

Published June 2016
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