Q Fever in Dogs
Bacterial Zoonotic Disease in Dogs
The Q fever disease is caused by the Coxiella burnetii, a pathogenic bacteria that is structurally similar to the Rickettsia bacteria but genetically different.
A dogwill most commonly become infected with the organism if it ingests infected bodily fluids (i.e., urine, feces, milk, discharges), tissues, or diseased carcasses (e.g., those from cattle, sheep, or goats). The bacteria can also become airborne and is transmittable through fleas or lice, which carry C. burnetii in its parasitic form.
Q fever is an worldwide endemic, affecting cats and dogs of any age, gender, or breed, and as a zoonotic disease, it is transmissible to humans. Care must be taken when dealing with bodily fluids, organs, and/or tissue material of any animal, particularly farm animals. Dispose of all birth remains properly and feed your dog pasteurized products only.
If you would like to learn more about how this disease affects cats, please visit this page in petMD health library.
Symptoms and Types
Lungs are thought to be the main portal of entry into systemic circulation. C. burnetii will then replicate in the organ's lining, causing widespread vasculitis. Inflammation of the dog's blood vessels will result in the death of its blood cells and hemorrhaging of the lungs, liver, and central nervous system.
Once the dog has contracted the disease it may display some of the following symptoms:
The types of symptoms your dog displays and the severity of the Q fever will ultimately depend on the particular strain of organism your dog is infected with. Often, animals with C. burnetii will undergo a period of latency (inactivity). However, during the birthing process the bacterium may reactivate, resulting in large numbers of bacteria entering the placenta, and the host's bodily fluids, urine, feces, and milk.
Exposure to animals infected with C. burnetii (especially those that have just given birth), ticks, fleas, and lice.
Providing a detailed history of your dog's health and its lifestyle leading up to the onset of the symptoms will assist your veterinarian in the diagnosis.
Your veterinarian will then conduct a complete blood profile on your dog, including a chemical blood profile, a complete blood count, and a urinalysis. Once collected, the dog's blood serum will be refrigerated to assist in the identification of the organism's type. The veterinarian will also collect a tissue sample (e.g., from the placenta) and refrigerate it for later use as an inoculator.
Something that is related to the whole body and not just one particular part or organ
An in-depth examination of the properties of urine; used to determine the presence or absence of illness
A type of disease that can be transferred between people and animals
The organ of mammals that comes while a female is pregnant; may also be referred to as afterbirth
Any inflammation of a blood vessel or lymph.
Small, wingless insects that live as parasites on humans and some animals
The singular form of the word bacteria; a tiny, microscopic organism only made up of one cell.
The presence of a disease within a given area
The process of turning an egg into a bird
Term used to refer to a condition of having a disease or affliction but not displaying symptoms of it.
Having the ability to produce disease
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