Is hygienic behaviour actually killing bees?

[Dansar]

Interesting video (in fact all of his research on honey bees is).

Selecting for hygienic behaviour may actually have a downside for colony health.

 

[Mummzie]

Well worth watching, thanks @Dansar .
Excessive hygienic behaviour can lead to an increased incidence of DWV.

 

[Trevor Gillbanks]

A very good video.

 

[Alastair]

Worth a watch, thanks for sharing