This came up on Warre (my hive type) related group and may be of interest. The discussion was very high mite load and a late season shook swarm to help with it.
This is partly due to Warre top bar comb, like mine, being a pain to swap. I was just looking for advice on the , better to have it and not need it than need it and not have it, principle
In the discussion it came about that if you have frames then shaking the bees into an empty hive to start again can be a problem. One option is just to remove the majority of brood on a frame leaving them in the same box. Basically the same result, may be some random brood about but most removed has to help.
Can be done in a top bar warre but messy, with frames not so bad.
Probably well known but worth mentioning as that time of year. My count is up but ok so not needed this year but an interesting idea. I would guess, don't know as new, that timing would be important as regards winter bee rearing ?