Measures taken - the Swiss national action plan for bee health
The annual winter losses of honey bees in Switzerland vary between 9% and 23% during the years 2008 to 2019 and are exceeding the as normal defined 10% level. The causes for the losses can have several reasons. However, one of the main reasons is the infection of the honeybees with the Varroa mite....
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Format: | Article |
Language: | deu |
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Julius Kühn-Institut
2020-05-01
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Series: | Julius-Kühn-Archiv |
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Online Access: | https://www.openagrar.de/receive/openagrar_mods_00059827 |