[thejeff]

True and I do use 'Z', though I thought it only pooled from selected commanders? (I could have sworn I could select the blood hunters and use 'Z' to pool there slaves, while leaving the unselected sacrificers slaves with him. Maybe it does all in the province if none are selected?)

It's certainly better than moving them by hand and even better than pooling all blood slaves. A "Blood hunt to lab" command would be nicer though.

Or having anyone set to sacrifice draw slaves from the lab as needed?