]> 2026-06-10T17:40:59+00:00 Varroa 14 en 2016-07-11T14:05:50Z 2457581.0873843 Varroa Check varroa level 0 en Check varroa level Drone brood removal 0 en Drone brood removal Formic acid or thymol 0 en Formic acid or thymol Infectious diseases and parasites 0 en Infectious diseases and parasites Oxalic acid treatment 0 en Oxalic acid treatment Spring treatment 0 en Spring treatment Varroa 0 en Varroa Check varroa level 0 en Check varroa level Drone brood removal 0 en Drone brood removal Formic acid or thymol 0 en Formic acid or thymol Infectious diseases and parasites 0 en Infectious diseases and parasites Oxalic acid treatment 0 en Oxalic acid treatment Spring treatment 0 en Spring treatment Varroa 0 en Varroa INST 102 en INST