Varroa kan ikke udryddes. Biavlere må derfor leve med, at varroa altid er til stede i bifamilien. Men med en fornuftig bekæmpelsesstrategi kan miderne uden problemer holdes under enhver form for skadetærskel.
Store og sunde bifamilier er forudsætningen for enhver succesfuld biavl. Er en bifamilie på den ene eller anden måde svækket, f.eks. pga. dårlig udvintring eller mange varroamider, vil der komme flere følgesygdomme til, som vil kunne gøre det af med bifamilien.
Gennem Ã¥rene har Danmarks Biavlerforening udviklet to anbefalede strategier: „Den sikre strategi”  og den „simple strategi”, som vi anbefaler den nye biavler at behandle.
Den simple strategi er for biavleren der skal til at varroabehandle for første gang. Til dem anbefaler vi at følge denne strategi fordi den sikrer at varroaantallet holdes på et acceptabelt niveau.
Benyt en 3-delt dronetavle i foråret (skæres ud hver syvende dag). Se mere om droneyngelfratagning.
Tilsæt en krämerplade lige efter honninghøsten. Nogle vil benytte en nassenheiderfordamper eller bruge fri myresyre. Sørg for at bierne har foder nok til behandlingsperioden. Kontroller at midenedfaldet ikke er over 1000 mider. Hvis det er tilfældet skal der laves en behandling mere i november måned i form af en oxalsyredrypning.
Lav som standard hvert år en vinterbehandling med oxalsyredrypning i december.
Hav gerne indskud i bifamilien og hold øje med midenedfaldet. Lad aldrig det naturlige daglige midenedfald overstige 1 mide/dag!
Den lilla kurve viser varroa udviklingen når der laves bekæmpelser i løbet af sæsonen efter den simple strategi.
Som biavler skal man være på vagt, når man ser nogen form for skade og sygdom i bifamilien. Dette kan komme af et for højt varroamidetryk. Overholder du strategiernes forskrifter, er det meget lidt sandsynligt, at dine bifamilier vil lide skade.
Biavlere der har arbejdet med varroa i mange år, udvikler deres helt egne strategier, som de har succes med. Således behandler flere biavlere med oxalsyredrypning i foråret, andre giver bifamilierne en dobbelt krämerpladebehandling osv. Ens for metoderne er, at de overholder 3-trins behandlingen og dermed virker. Vi anbefaler dog nye biavlere at følge den gængse anvisning her på Varroa.dk, inden man begynde at eksperimentere for meget.
Mælkesyrebehandling, varmebehandling og dronningeindespærring er ikke del af strategierne, da kun meget få biavlere anvender metoderne.
Opdateret – fv
Cookie | Varighed | Beskrivelse |
---|---|---|
cookielawinfo-checkbox-advertisement | 1 year | The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Advertisement". |
cookielawinfo-checkbox-analytics | 11 months | This cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Analytics". |
cookielawinfo-checkbox-functional | 11 months | The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". |
cookielawinfo-checkbox-necessary | 11 months | This cookie is set by GDPR Cookie Consent plugin. The cookies is used to store the user consent for the cookies in the category "Necessary". |
cookielawinfo-checkbox-others | 11 months | This cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Other. |
cookielawinfo-checkbox-performance | 11 months | This cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Performance". |
PHPSESSID | session | This cookie is native to PHP applications. The cookie is used to store and identify a users' unique session ID for the purpose of managing user session on the website. The cookie is a session cookies and is deleted when all the browser windows are closed. |
viewed_cookie_policy | 11 months | The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. It does not store any personal data. |
Cookie | Varighed | Beskrivelse |
---|---|---|
_gat | 1 minute | This cookies is installed by Google Universal Analytics to throttle the request rate to limit the colllection of data on high traffic sites. |
Cookie | Varighed | Beskrivelse |
---|---|---|
_ga | 2 years | This cookie is installed by Google Analytics. The cookie is used to calculate visitor, session, campaign data and keep track of site usage for the site's analytics report. The cookies store information anonymously and assign a randomly generated number to identify unique visitors. |
_gid | 1 day | This cookie is installed by Google Analytics. The cookie is used to store information of how visitors use a website and helps in creating an analytics report of how the website is doing. The data collected including the number visitors, the source where they have come from, and the pages visted in an anonymous form. |
iutk | 5 months 27 days | This cookie is used by Issuu analytic system. The cookies is used to gather information regarding visitor activity on Issuu products. |
Cookie | Varighed | Beskrivelse |
---|---|---|
IDE | 1 year 24 days | Used by Google DoubleClick and stores information about how the user uses the website and any other advertisement before visiting the website. This is used to present users with ads that are relevant to them according to the user profile. |
mc | 1 year 1 month | This cookie is associated with Quantserve to track anonymously how a user interact with the website. |
test_cookie | 15 minutes | This cookie is set by doubleclick.net. The purpose of the cookie is to determine if the user's browser supports cookies. |
VISITOR_INFO1_LIVE | 5 months 27 days | This cookie is set by Youtube. Used to track the information of the embedded YouTube videos on a website. |
YSC | session | This cookies is set by Youtube and is used to track the views of embedded videos. |
Cookie | Varighed | Beskrivelse |
---|---|---|
CONSENT | 16 years 5 months 23 days 18 hours | No description |
yt-remote-connected-devices | never | No description available. |
yt-remote-device-id | never | No description available. |