Issue of the Week (June 10-15): Fly Season

Fly Season

What’s the issue?

  • Flies transmit disease and bacteria quickly through a herd.

What’s the impact?

  • Flies are the main transmitter of Pinkeye amongst cattle. Pinkeye can be painful and spread rapidly amongst your herd
  • Flies also spread other mastitis causing bacteria
  • Both of these issues can cause your cattle to be uncomfortable and lethargic. This can potentially effect milk production, feed intake, reproduction, etc which all will affect your bottom line.

ANIMART Solutions

  • There are many products out there to help eliminate flies, including: pour ons, baits, premise sprays, feed additives,  and fly predators.
  • Vaccinate your cattle against the common strains of pinkeye prior to fly season. Work with your veterinarian on the appropriate vaccine to use.
  • Keep areas as free and clear of manure and soiled bedding. The cleaner and drier areas are around your operation, the less flies you will have. Wet, warm areas are great breeding grounds for flies.
  • Keep areas well mowed. Tall grass is another great area for flies to lay eggs because most of these areas are wet and warm.
  • As the fly season has started there is still time to get a head of them and try to control or reduce their numbers.
  • If you have vaccinated your cattle and are stilling having outbreaks of pinkeye, culturing the eye to see exactly what strain of pinkeye you are dealing with may be beneficial. There are new strains out there and the current vaccines on the market do not cover these strains. Having an autogenous vaccine created is an option that should be discussed with your veterinarian.

View ANIMART’s offering of Fly Control Products on-line by clicking here.

Need more information? Visit our Ask-a-Vet feature at


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