4.4.8. Protocol for using a dead bee trap
colony size or assess colony size (see the BEEBOOK
paper on colony strength (Delaplane et al.,
2013) to obtain a mortality rate. Do regular size assessment if it is a long
the trap to the hive for several days before the experiment begins, to allow
the bees to become used to the new addition.
and count the number of dead bees at regular predetermined intervals.
the trap if necessary after counting.
- Calculate the corrected mortality rate
based on the recovery rate determined in section 4.4.7.) (Gary, 1960):