Hello everyone,
I check today, 7 days after the oxalic acid treatment on my 3 hives and got the following results:
- hive 1, medium size colony, 351 mites
- hive 2, medium/big colony, 420 mites
- hive 3 medium size, 54 mites.
So, first of all, why are they so different? Have I done something...