Cattle producers across the Clarence Valley are being warned to be on the look out for symptoms of Three-Day Sickness (Bovine Ephemeral Fever) which has been confirmed early this season on a beef property near Casino.

Recent rainfall has seen the virus, which usually occurs between January and April, detected earlier than normal.

The virus, which only affects cattle and buffalo, is spread by mosquitos and many animals may have already been exposed over the last few summers, so they will be immune now, but recent introductions to herds may be susceptible.

On the Casino property North Coast Local Land Services confirmed the bull suffering Three-Day Sickness was depressed, lethargic, drooling, lame in the front leg, down and had a high fever – all typical signs of Three-Day Sickness.

As the name implies, Three-Day Sickness usually only lasts a few days before the animal recovers, but some heavier or well-conditioned animals may be at more risk of becoming recumbent (unable to sit and stand for at least 12 – 24 hours).

Three-Day Sickness is found along the east cost of NSW and Queensland, with cases in inland NSW less common but outbreaks do occur.

If you notice any sick or lame animals on your property, contact your vet who may recommend anti-inflammatory drugs which reduce the fever and hasten the recovery.

A vaccine against Three-Day Sickness is available and is ideally administered in late winter or spring to new cattle and cattle from areas which don’t normally experience the virus.

A secondary complication of Three-Day Sickness can affect the nerves controlling swallowing, with affected animals at risk getting food, water, or saliva in their lungs and developing pneumonia.

Cows in advanced pregnancy may abort after having Three-Day Sickness and bulls commonly suffer temporary infertility lasting from three to six months due to the high fever.

To mediate the impacts of the virus, shade affected animals from the sun, provide a large tub of easily accessible cool fresh water, give good quality food, and lift and roll recumbent cattle at least one or two times a day to prevent nerve and muscle compression.

For more information on Three-Day Sickness contact North Coast Local Land Services on 1300 795 299, or visit their website www.lls.nsw.gov.au