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An innovation hub for the woolgrowers of Australia

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02.06.2023 Source: AWEX
AWEX EMI 1209 -5
Micron 17 2078 +15
Micron 18 1758 +33
Micron 19 1528 +1
Micron 20 1406 +8
Micron 21 1353 -11
Micron 22 1295n -24
Micron 26 522n -20
Micron 28 317 -6
Micron 30 288 -4
Micron 32 237 +2
MCar 738 -23
It's Fly Time!
Looking for information on managing flystrike in the lead up to, and during, high-risk flystrike periods?
Prevention, monitoring and treatment all play key roles in integrated flystrike management in the lead up to, and during, high-risk flystrike periods. It’s Fly Time!™ provides a succinct introduction for woolgrowers on managing during high-risk flystrike conditions.
Look out for upcoming It’s Fly Time!™ Webinars on the AWI events page.

Flystrike is a significant health and welfare risk for Australian sheep, costing the industry more than $323 million annually in prevention, treatment and productivity losses. Painful death and illness from flystrike remains a risk to sheep across most Australian environments. High risk regions are predominantly in southern Australia, particularly in southern Western Australia, South Australia, Victoria and New South Wales.

Conditions required for flystrike

Image 1 Conditions Required for Flystrike.png

The risk of flystrike is greatest during warm and wet conditions. This usually coincides with spring and autumn but it can occur throughout the year if climatic conditions make sheep more susceptible to flystrike and favour fly reproduction.

Blowflies prefer the following conditions:


Whilst the longer-term strategic aim for managing flystrike is to implement prevention strategies before temperature and rainfall increase, when favourable flystrike conditions occur growers are encouraged to regularly monitor their sheep carefully, enabling flystrike to be detected as early as possible for treatment.


It’s Fly Time! resources


16 August 2022 - with what looks to be a wet Spring just around the corner, it’s a good time to watch the latest It’s Fly Time!™ webinar, delivered by Dr Tim Gole, respected veterinarian and sheep consultant.

This one-hour webinar, hosted by ParaBoss, provides useful information on the management of high-risk fly conditions, with tips for prevention, prioritising sheep for monitoring and treatment options.


Live It’s Fly Time! webinars are held in the lead up to, and during, high-risk flystrike periods. Look out for upcoming It’s Fly Time! webinars on the AWI events page.


four-page factsheet providing an overview of the prevention and treatment of flystrike, focusing on the actions that can be taken leading up to, and during, a high-risk flystrike period.


four-page factsheet providing an introduction to flystrike, including information on high-risk flystrike periods and on monitoring and detection.


The latest It’s Fly Time!™ presentation, with deliverer notes, is available to be downloaded as both an 86 page powerpoint presentation and as a PDF.




There are only a small number of chemical groups registered for flystrike control, so it is important to prolong the usefulness of these chemicals for as long as possible. By implementing resistance management strategies, woolgrowers can slow the development of resistance, which will help maintain the effectiveness of the currently registered chemical products.

AWI has made available a range of resources for woolgrowers and their advisors about blowfly chemical resistance to ‘demystifly’ this complex, yet important, issue. You can access them at


SimpliFly™ is a one-day workshop, delivered by AWI-accredited advisors in partnership with the AWI state grower extension networks, to help woolgrowers reduce the incidence and impact of flystrike on their flocks and profits. During the workshop woolgrowers will learn about the range of tools available in their flystrike management toolbox and how to use them in combination. Throughout the day, attendees work through developing a strategic flystrike management plan and annual calendar that incorporates both short- and long-term tools specific to their property.

To find out when there is going to be a workshop near you or to register your interest in a SimpliFly™ workshop in your region, we encourage you to contact your state grower extension network and sign up to their free newsletter. For contact details and information about AWI’s state grower extension networks visit



For further information on AWI’s Flystrike Extension Program visit

For more detailed information on flystrike management, including access to interactive decision support tools, visit  

For information on AWI’s flystrike research, development and extension program, visit

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