Blowfly Watch
The Blowfly watch in conjunction with Elanco predicts the emergence of blowflies based on Met Office Data. This can help to predict risk of clinical cases and help treatment timings.
Forecast PDF
Low
Medium
High
12 June 2025
Update from Professor Richard Wall
Strike risk is now high throughout the UK. Flies are abundant because of the warm spring, and summer rain will encourage flies to lay eggs – particularly on lambs. Appropriate control of the parasitic worms that result in scouring is an important contributor to reducing the strike risk.