Related Clues:
- Reduce population of, eg, seals
- Carefully select and pass over tool
- Select with care
- Reduce (a wild population) by selective slaughter
- Copper lines to select for terminations
- Selectively slaughter
- Pick out and destroy
- Reduce numbers
- Choose the best from
- Carefully select a manual digging implement
- Exercise to reduce numbers
- Remove from herd
- Destroy selectively
- Choose; thin out
- Separate, as the wheat from the chaff