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Message: <blockquote data-quote="Breeder of queens Koss" data-source="post: 13524" data-attributes="member: 449">I will continue the topic about sacbrood. Subtotals.A colony that I did not treat at all.  She recovered on her own. I did not find any dead larvae.I was never able to cure one colony. Even after press and isolating the queen. The dead larva still appeared in the brood.  I have made the decision to replace the queen in this hive.The other colonys, where the queens were isolated, feel well and show no signs of illness.And now interesting conclusions.Most likely there was only one sick sacbrood colony, and which I could not cure. The remaining colonies simply showed the sign of recapping.  I have one line that opens the brood at the larval stage rather than the pupa stage as usual.That is, bees sense a mite in the brood, even when it has not yet begun to reproduce. Zero tolerance to ticks.But there is a problem that some larvae die when open.  This is not critical for the bee pupa. The humidity in the hive may have an effect. Don't know.The photo shows a frame with the brood of one colony. Don't be alarmed. This colony was specifically infected with a tick. And in some cells there was a wax moth worm, so they are also open.  The colony shows a response to infection. When she copes with the mite, the brood will be as usual.[ATTACH=full]1794[/ATTACH][ATTACH=full]1795[/ATTACH][ATTACH=full]1796[/ATTACH]</blockquote>

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