Why and how to monitor bee colonies?

Complete PowerPoint presentation on varroa infestation monitoring and on the Varroa EasyCheck “3 in 1” tool:
– Why monitor honey bee hives?
– Variation of infestation within an apiary
– Variation of infestation from one year to another, within the same apiary
– Impact of varroa mites on colonies
– How to do an infestation follow-up ?
– When to monitor the infestation ?
– How many colonies should be sampled?
– How to calculate the infestation rate ?
– Alert thresholds according to the time of the year
– Discovery of the Varroa EasyCheck 3 in 1 : alcohol wash, sugar roll, CO2 injection.