Ugotavljanje dejavnikov na čistilno obnašanje domače čebele z uporabo tekočega dušika : diplomsko delo : visokošolski strokovni študij = Finding the factors of the honey bee hygienic behaviour with the use of liquid nitrogen : graduation thesis : higher professional studies
Mijič, Anamarija
V nalogi smo pregledali in komentirali znanstvena strokovna dela, ki opisujejo razmerje med medonosno čebelo (Apis mellifera L.) in varoo (Varroa destructor Anderson, Trueman). Poskus čistilnega ...obnašanja čebel smo izvedli v skupini 32 čebeljih družin avtohtone kranjske pasme (A. Mellifera carnica) v maju in juniju 2001. Iz satnic panjev smo izrezali kose čebelje zalege in jih zamrznili v tekočem dušiku. Kosi zamrznjene čebelje zalege so bili že poprej naravno napadeni z varoami. Rezultate smo statistično obdelali in ugotovili, da smo s poskusom spodbudili čistilno obnašanje čebel v celotnem panju. Obrambni mehanizmi čebel (čistilno obnašanje in obiranje) učinkovito zmanjšajo prisotnost varoe v čebelji družini. Na podlagi čebelarskih ukrepov je mogoče vzrejati na varoo bolj odporne linije čebel. Uporaba rezultatov poskusa čistilnega obnašanja pri odbiri čebel je lahko nezanesljiva, če jih uporabljamo kot edini kriterij za odbiro čebel, odpornejših na varoo.
Type of material - undergraduate thesis
; adult, serious
Publication and manufacture - Ljubljana : [A. Mijič], 2002
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