Canine Parvovirus Infection Cause, Transmission, Signs, Prevention


Full description of Canine Parvovirus Infection Cause is explained in this post, pets owners must take full responsibility of their dog from contacting Canine Parvovirus Infection.

Canine Parvovirus Infection Cause

A small, but very tough and persistent virus. This deadly virus has only been discovered in dogs since 1978.

Incubation period:

Five days.

Transmission Of Canine Parvovirus Virus (CPV) :

Dog to dog, via virus. excreted in faeces, and also via virus carried on human clothing, footwear and objects which may have been contaminated by an infected dog.

Infection occurs through ingestion of virus particles. The virus may remain viable for up to one year in a house where there has been a case, and may be almost permanently present in kennels where there have been successive outbreaks. Disinfection is exceptionally difficult. ‘

Major signs Of CPV:

Two forms of canine parvovirus are recognized:

Canine Parvovirus Myocarditis

Where the dam of a litter has not been vaccinated and has not been infected by the disease, she will have no protection to pass on to her puppies.

canine parvovirus infection cause

Canine parvovirus, which always seeks out the cells of the body which are multiplying most rapidly, Will concentrate in the heart muscle of newly born puppies exposed to the virus.

Effects Of Canine Parvovirus Myocarditis

The heart muscle is weakened or completely destroyed. The effect is not usually seen until the puppies become active at 4-10 weeks, when seemingly healthy pups will collapse and die after play or feeding.

The whole litter is usually affected, although some individuals may survive longer than others; none of them should be sold as sound puppies.

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This form of CPV is now becoming rare, as most breeding bitches will have come antibody to the infection either through previous exposure to the disease or through vaccination.

Intestinal Form Of Canine Parvovirus Infection:

This is the most common form of CPV. It affects dogs from 4 weeks of age into old age, but most severely in their first year, when the disease can be quickly fatal.

Effects & Signs Of Intestinal Form Of Canine Parvovirus Infection:

The signs seen in this form of the disease are: depression, severe protracted vomiting, abdominal pain, refusal of food and water and very profuse diarrhoea, often with considerable blood content.

canine parvovirus infection causes
Infected Dog With Canine parvovirus

Mostly CPV infection is rapid in resolution, and if the dog is going to survive it will be noticeably better within 4-5 days of the start of the illness.
When puppies are badly affected by CPV, growth may be stunted and the puppy may be bald for up to a year.

Actions To Be Taken After Canine Parvovirus Infection:

Immediate consultation with the veterinary surgeon, initially by telephone, if possible, in order to avoid transmission to other dogs.


Consult your veterinary surgeon as soon as you get your puppy about a course of vaccinations to protect against CPV and do not neglect annual boosters.

When a dog is suspected of having CPV, not only should it be kept in isolation, but all members of the owner’s household should avoid dogs also, as the virus can be carried on shoes and clothing.


It is very difficult to eradicate CPV from a home or a kennel. Sodium hypochlorite (domestic bleach) and formalin are active against CPV; many disinfectants Will not kill the Virus.

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canine parvovirus infection cause

Where a single puppy has died of CPV on domestic premises, it is Wise to wait at least 6 months before introducing another puppy.

It is important to know if the puppy has been hand reared from birth, then it will have received no protective antibodies at all.

If it is known that the disease is endemic in the kennel where the puppy was born tell your Veterinary surgeon.


Canine parvovirus infection cause eruption of the cell linning of much the intestine, so that the badly infected dog has no means of absorbing fluid and nourishment.

Fatalities are often due to dehydration, and intravenous drip therapy, to replace fluid loss, as an in-patience is necessary, Consequently treatment can be expensive.


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