Besides being unpleasant to work with, flies are a known vector of important pig diseases, including PCV2, PRRS, streptococci and E coli, ACMC veterinary consultant Paul Thompson said.
Fly control should, therefore, be an essential part of disease prevention on the farm.
However, he pointed out that knockdown sprays alone are rarely effective. It’s also important to identify and control the sites where there’s solid muck, allowing flies to breed. Common locations include the crust on top of slurry pits.