on 19 May 2021 Control flies before they impact productivity Flies are not only an irritant for cows and farmers alike, they also affect productivity – reducing animal grazing, therefore affecting milk yields and growth rates as well as behaviour in the parlour. SPONSORED
By the time you notice cattle or sheep being troubled by flies, a population explosion is already taking place. However, it's easy and cheap to make some fly traps (see Figure 1), and then keep an eye on them every few days for an early warning that fly numbers are on the rise. You need to choose suitable bait for the flies you wish to trap, for example offal.