Answer:

deflea

Answer	Crossword Clue
DEFLEA	Treat with a pesticide
DEFLEA	Do a vet's job
DEFLEA	Rid of parasites, as a pooch

DEFLEA	Stop Spot's scratching
DEFLEA	Provide relief for a bugged boxer?
DEFLEA	Rid of pests, in a way
DEFLEA	Aptly named pet bedding spray brand
DEFLEA	Get bugs off a boxer
DEFLEA	Rid Rover of insects
DEFLEA	Make a boxer feel better?
DEFLEA	Rid of some pests