Now this has been a huge problem for many years, basically since the late 1980s, when the varroa mite came and brought many different viruses, bacteria and fungal diseases with it.
Ovo je mnogo godina bio ogroman problem, zapravo od kasnih 80-tih, do pojave parazita varroa koja je sa sobom donijela razne viruse, bakterije, i gljivična oboljenja.