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Tick Bourne Disease in the Kimberley

Tick Bourne Disease in the Kimberley

Ehrlichiosis in dogs – The new tick borne disease in the Kimberley

 

Ehrlichiosis is a tick-borne disease transmitted through infected ticks. Infected ticks spread a bacteria called Ehrlichia canis, also known as E. canis, through a single bite. The Kimberly first detected E. canis in Halls Creek and Kununurra this year. This was the first time this disease has been detected in Australia. Since this first discovery in May, we have had multiple positive cases present in our clinic here in Broome.

Ehrlichia is spread primarily by the common brown dog tick, a tick in which we see greatly in Broome. The disease can not be spread from dog to dog. Transmission occurs only through the bite of the infected tick. The development of symptoms can occur 1-3 weeks from the initial bite of the infected tick. Chronic forms of Ehrlichia can become present months or years following.

Initial symptoms and clinical signs of the disease include; loss of appetite, lethargy, weight loss, enlargement of lymph nodes, fevers, nasal and eye discharge, bleeding disorders and abnormalities on blood tests including anaemia and low platelet counts. Infected dogs can not transmit ehrlichiosis to humans. If an infected tick latches onto a human host there can be a risk of transmission however, the risk is considerably low.

Treatment for infected dogs varies upon the severity of their condition. Typically, supportive care and antibiotics is required. In more severe cases hospitalisation, intravenous fluid therapy and blood transfusions may be necessary.

nexgard spectra

Prevention is always better then cure. To help prevent your dog from E. canis we strongly suggest on going tick prevention treatment. This includes treatments such as Nexgard, Nexgard Spectra,  Seresto tick collars or topical treatments. Ensuring your home environment where the dog lives is also treated and tick free is highly suggested. Avoid any bushland areas to exercise your dog, as the nature of this environment occupies many ticks. Inspecting your dog regularly for ticks is a great preventative measure.

E. canis is a notifiable disease is Australia. This meaning any suspicion of the disease in your dog must be reported to your local Vet hospital, DPIRD vet (department of primary industries and regional development), or the emergency animal disease hotline.

Movement from the Kimberly region requires your dog to meet certain requirements. These include having your dog on a tick prevention treatment at least 7 days prior to leaving (and having a record/proof of this), ensuring your dog is in good health and notifying the DPIRD of your exit from the Kimberly region. This region includes the shires of; Broome, derby-west Kimberley, Halls Creek and Wyndham-east Kimberly. If your dog becomes unwell/shows any signs of illness once leaving these areas you are to contact the emergency animal disease hotline.

We are currently working alongside DPIRD to conduct further surveillance of E. canis and its distribution within Australia. We are taking blood samples from numerous dogs (any dog is a candidate unwell or in good health) and providing these for DPIRDS use of testing. These tests do not come with any charge.

If you have any questions or concerns your dog may have Ehrlichiosis please contact:

·         Your local vet

·         Broome Veterinary hospital: 9192 1319

·         DPIRD (department of primary industries and regional development): +61 1300 374 731 (1300 DPIRD1)

·         The Emergency animal disease hotline: 1800 675 888

For more information surrounding Ehrlichiosis and movement of dogs from the Kimberley use this link to access DPRID’s information on this matter:

https://www.agric.wa.gov.au/search?search_api_views_fulltext=ehrlichiosis&sort_by=search_api_relevance_1&sort_order=DESC