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New Zealand Beekeeping Forums
New Zealand Beekeeping Disease & Pests
To burn or not to burn ???
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<blockquote data-quote="John B" data-source="post: 5841" data-attributes="member: 207"><p>Wax dipping done properly as 100% effective at controlling AFB but you have to have a good Thermometer and you have to use a watch. Subclinical hives have always been with us and when you find clinically infected hives in an apiary where they have robbed out neighbouring hives you can pretty much guarantee the rest of the hives will have some level of subclinical infection. Most of these will not go on to become infected and if you do regular comb replacement over time the level of subclinical infection will decrease as will the risk.</p><p>Having said all that I generally don't replace any gear for the first year after an outbreak as it is a bit heartbreaking to put a whole lot of new gear onto hives just have to burn them. There are a lot better methods of detecting subclinical AFB these days but even 20 years ago there were areas where over 50% of the hives were subclinical and most of those would not go on to become infectious.</p></blockquote><p></p>
[QUOTE="John B, post: 5841, member: 207"] Wax dipping done properly as 100% effective at controlling AFB but you have to have a good Thermometer and you have to use a watch. Subclinical hives have always been with us and when you find clinically infected hives in an apiary where they have robbed out neighbouring hives you can pretty much guarantee the rest of the hives will have some level of subclinical infection. Most of these will not go on to become infected and if you do regular comb replacement over time the level of subclinical infection will decrease as will the risk. Having said all that I generally don't replace any gear for the first year after an outbreak as it is a bit heartbreaking to put a whole lot of new gear onto hives just have to burn them. There are a lot better methods of detecting subclinical AFB these days but even 20 years ago there were areas where over 50% of the hives were subclinical and most of those would not go on to become infectious. [/QUOTE]
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To burn or not to burn ???
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