Sheep and goat-Wool maggot

Includes black blowfly (Phormia regina)

Management-chemical control

  • permethrin screw worm aerosol-Spray at a distance of 12 to 15 inches. Spray affected areas or entire body or bedding. Re-treat after 4-6 weeks if needed but not more than every 14 days. Remove feed and water while spraying.
  • permethrin spray, paint, or dip-Do not use within 14 days of slaughter. Sheep only.
  • rosemary and peppermint oils-Follow label for dosage and precautions.