Here's a Google translation of the summary of the multifactorial study: The problems reported by beekeepers are multifactorial in nature and are the predominant factors Pests and diseases -- Proper management of hives is a crucial factor for the health of colonies -- The treatment of seed with systemic products is not held responsible for adverse effects on Colonies of bees Randy Oliver **************************************************** * General Information About BEE-L is available at: * * http://www.honeybeeworld.com/bee-l/default.htm * ****************************************************