technology | February 11, 2026

How do I stop fly strike on my sheep?

How do I stop fly strike on my sheep?

Treating fly strike Make sure all the affected wool is removed and treat the skin with Terramycin spray. Some folk like to apply an antiseptic cream to protect the area. Check there are no other areas of strike. If the flesh is damaged, take your vet’s advice – s/he may advise a long-acting antibiotic injection.

How do you treat fly strikes in sheep NZ?

Treating Affected Sheep: Immediate treatment with Cyrex is required for any sheep with active flystrike. Cyrex is a liquid containing both cyromazine and spinosad and is highly effective in killing flies and maggots. To treat active flystrike, a flystrike dressing solution needs to be made.

Can sheep survive flystrike?

Blowfly strike is a major economic concern for farmers with considerable prevention costs involved for all at-risk sheep. Sheep affected with blowfly strike have disrupted grazing patterns and rapidly lose weight especially if untreated for several days.

How do you treat fly strikes in lambs?

There are several preventative measures which are used to reduce the occurrence of flystrike in sheep flocks, these include:

  1. Controlling intestinal parasites to prevent scours and a suitable surface for flystrike.
  2. Scheduled shearing and crutching.
  3. Removing the tails of lambs at weaning.
  4. Mulesing.

How can you tell if a sheep has fly strike?

What to look for

  1. Signs of irritation leading to inappetance, dullness and depression.
  2. Foul smelling areas of moist, stained wool – dark green in colour.
  3. Kicking of the hind limbs and tail shaking.
  4. Maggots present at skin level upon parting the fleece.
  5. Skin lesions (from reddened areas to deeper wounds)

What fly causes flystrike?

It is caused by the Lucilia sericata, or green bottle fly which is attracted to damp fur soiled with urine or soft faeces. Each fly can lay up to 200 eggs on the skin, usually at the rear end of an animal, which then hatch into maggots within hours.

How do I get rid of maggots on my sheep?

Treatment of struck sheep

  1. Shear struck wool and a 5 cm barrier of clean wool around the strike close to the skin to remove maggots.
  2. Collect the maggot-infested wool into a maggot-proof (plastic) bag and leave the bag in the sun for a couple of days to kill all maggots.

How do you treat a fly blown sheep naturally?

Tea tree oil also killed blowfly maggots and eggs and prevented flies laying new eggs on treated wool for up to six weeks. The antiseptic effects and wound-healing properties of tea tree oil may also help flystrike resolution.

How do you spot a fly strike in sheep?

How common is flystrike in sheep?

It is common for 1-3% of sheep in a flock to be affected by fly strike (Broughan and Wall, 2006). It is a costly disease of significant welfare concern (Wall and Lovatt, 2015). Fly strike is usually visible as a discoloured, moist area of wool which, on closer examination, reveals maggots and is foul-smelling.

What can I spray on sheep for flies?

Protect your livestock with dependable Gordon’s® Goat & Sheep Spray.

  • Use on goats, sheep, beef and dairy cattle, swine, and poultry.
  • Controls horn flies, face flies, house flies, stable flies, horse flies, deer flies, mosquitoes, gnats, and blood-sucking lice.
  • Ready-to-use insecticide formulation.

What are the symptoms of flystrike?

Typical signs of Flystrike: Being very quiet and lethargic. Not eating/ drinking. Not wanting to move. You may also notice a strong smell coming from the hutch.