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de Groot 1953

Thanks to Google for scanning this pioneering and widely-cited study.  Since this study is monumentally important to understanding honey bee nutritional requirements, I’ve unsuccessfully attempted to track down any copyright holder for permission to share it.  But as I understand copyright law, since this reprint does not contain any indication of this pre-1978 publication being copyrighted, I believe that it is permissible for me to post it for noncommercial educational purposes.  If there is indeed a copyright holder, please notify me and I will immediately take it down.

Download it here.


Category: Bee Nutrition