Slobodan Petrovic, a beekeeper from Sabac, implemented B+ on 140 bee colonies in the spring of 2019, achieving outstanding annual average results per beehive:

• fruit (flower) honey = 7.8 kg;
• rapeseed honey = 23.7 kg;
• acacia honey (2 pastures) = 25.7 kg;
• linden honey = 17.14 kg;
• meadow honey = 3 kg;
• virgin wax = 0.55 kg;
• 105 artificial swarms with 3 frames of a closed brood were formed following the rapeseed pasture.

Thanks to using B+, Slobodan got 77.34 kg of honey per beehive, in total, in 2019!