The nosem infection is a worldwide spread bee illness caused by two microsporidia (Nosema apis and Nosema ceranae). The aim of this thesis is to follow the occurrence of Nosema spp. and density of infection in the selected bee colonies considering the relation between N. apis, N. ceranae, climatic conditions and the condition of each bee colony concerned. In my thesis, I have used two ways of originator identification. The first was microscopy, using which we have discovered significant changes in the number of spores in one bee colony within one year. After the experiment had finished, we evaluated the number of measured spores in connection with the outside temperature, humidity, number of colonized frames, extenders, gentleness of bees and their sitting on the honey combs. The second way was using the PCR method. Through this method we have identified the percentage of positive bee colonies on the selected locations. Furthermore, we have confirmed the occurrence of each of the originators and evaluated if there is a mutual influence of Nosema spp. between bee colonies.
| Identifer | oai:union.ndltd.org:nusl.cz/oai:invenio.nusl.cz:395242 |
| Date | January 2019 |
| Creators | DURČANSKÝ, Pavel |
| Source Sets | Czech ETDs |
| Language | Czech |
| Detected Language | English |
| Type | info:eu-repo/semantics/masterThesis |
| Rights | info:eu-repo/semantics/restrictedAccess |
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