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The last thing any new puppy owner or dog breeder wants to hear is a diagnosis of parvo. Parvo in puppies is unfortunately a common disease with deadly consequences, which is why it is important for anyone dealing with puppies on a regular basis to be aware of the symptoms of parvo and what to do about it.
Parvo in puppies is caused by the canine parvovirus. This virus is highly contagious and spreads through direct contact with an infected dog or by indirect contact with a contaminated object. Your puppy is exposed to the parvovirus every time he sniffs, licks, or consumes infected feces. Indirect transmission occurs when a person who has recently been exposed to an infected dog touches your puppy, or when a puppy encounters a contaminated object, like a food or water bowl, collars and leashes, and the hands and clothing of people who handle infected dogs. That’s why it’s so important to use a parvo disinfectant.
The Merck Veterinary Manual classifies the virus as a disease of the stomach and small intestines, as this is where the virus does the most damage. The virus prefers to infect the small intestine, where it destroys cells, impairs absorption, and disrupts the gut barrier. Parvo in puppies also affects the bone marrow and lymphopoietic tissues, and in some cases can also affect the heart.
Puppies ages six weeks to six months are the most susceptible to parvo. Puppies younger than six weeks old still retain some of their mother’s antibodies, assuming that the dam received her full series of parvo vaccinations. Puppies are vaccinated against parvo at approximately 6, 8, and 12 weeks of age. They are vulnerable to the disease until they have received all three shots in their vaccination series, which means owners need to take extra precaution during this time to prevent their puppies from contracting the virus. Puppies should receive a dose of canine parvovirus vaccine between 14 and 16 weeks of age, regardless of how many doses they received earlier, to develop adequate protection.
The severity of parvo cases varies. The stress of weaning can lead to a more severe case of parvo n puppies, as stress weakens the immune system. A combination of parvo and a secondary infection or a parasite can also lead to a more severe case of parvo in puppies.
To top it off, certain breeds of dogs are at an increased risk of parvo:
What are the symptoms associated with parvo?
The vomiting and diarrhea, because they evolve into a non-stop situation, quickly lead to severe dehydration. As well, the intestines suffer damage and the immune system is highly compromised. Inflammation of the heart muscle and bone marrow suppression can occur. These symptoms can lead to death.
How long does it take for parvo to kill a dog?
Once a puppy has symptoms of parvo, if left untreated they can die within 48 – 72 hours. It can be simply diagnosed and survival is possible if treated soon enough. If left untreated the mortality rate is as high as 91%.
Can Dogs Get Parvo at Any Age? | Wag!
Parvo is every new puppy and dog owner’s worst nightmare. In a matter of days, a perfectly healthy puppy can go from playful and active to fatally ill. Parvo in dogs is a preventable disease, however, all new puppy owners need to be aware of the risks of parvo, how to prevent it, and what to do if a puppy catches the parvovirus.
What Is Parvo? Parvo is a highly contagious virus. It causes an infectious gastrointestinal (GI) illness in puppies and young dogs, and without treatment, it is deadly. The virus so dangerous because of the ease with which it is spread through the canine population. The virus spreads either by direct contact with an infected dog, or through feces. An infected dog can begin shedding the virus four-to-five days after exposure — often before the dog starts exhibiting any clinical signs of infection. The dog will continue to shed the virus while he is sick and for up to 10 days after he has recovered. This means that accurate diagnosis and quarantine are essential for the health of your dog and of other dogs, as well.
What Dogs Are Most at Risk for Parvo? Young dogs between six weeks and six months old, unvaccinated or incompletely vaccinated are most at risk for contracting parvo. Puppies are born with antibodies from their mothers. As these antibodies fade, however, it is up to owners to make sure that the puppies receive a course of parvo vaccinations. The stress of weaning and a secondary parasite or infection, along with parvo, can lead to a more severe case of parvo, which is why it is very important to talk to your vet about the proper care for puppies and pregnant dogs.
What Causes Parvo in Dogs? The canine parvovirus causes parvo in dogs, and it can be transmitted in two ways: The first is by direct contact through the nose and mouth with infected poop, which can happen when a dog sniffs or licks a surface or another dog that has been contaminated with feces. Since puppies explore their world through smell and love to mouth things, it is easy to see how a curious puppy could contract the parvovirus. sniffing The second method of transmission is through indirect contact. The virus can survive on clothing, equipment, on human skin, and in the environment. Indirect transmission occurs when a puppy comes into contact with a contaminated person, object, or environment. The parvovirus is a particularly resilient virus. It can survive indoors at room temperature for at least two months and is resistant to many commonly used cleaners and disinfectants. Outdoors, the parvovirus can survive for months, and even years, if protected from direct sunlight. This is why hospital quarantine of the infected dog and proper cleanup of the environment are especially important. Shoes that have come into contact with infected feces can also bring the virus into a dog’s environment, which is concerning since there is evidence that parvo can live in ground soil for up to one year. If you suspect that you have come into contact with feces at all, you will need to wash the affected area with household bleach, one of the few disinfectants known to kill the virus. Once a dog has contracted parvo, the virus replicates. This replication takes place in the small intestines, lymphopoietic tissue (lymph nodes, thymus, etc.), and bone marrow. This leads to severe GI problems and in rare cases, myocarditis (inflammation of the heart).
Symptoms of Parvo in Dogs Every dog owner and breeder should know the symptoms of parvo in dogs. The most common symptoms are: Severe, bloody diarrhea Lethargy Anorexia Fever Vomiting Weight loss Weakness Depression Dehydration Any or all of these symptoms merit a call to your veterinarian. Even if parvo is not the cause, the symptoms could be the result of another illness that requires veterinary attention.
Parvo Treatment If you suspect that your dog has parvo, please call the Bredel Clinic immediately. Parvo is a potentially fatal virus that requires intensive care, and the sooner your canine is diagnosed the better. Our vets will most likely recommend hospitalizing your dog in our isolation ward, where we will offer supportive care and monitor your dog for secondary infections. Parvo also reduces your dog’s ability to fight infection by lowering his white blood cell count. Providing your dog with the supportive fluids, nutrition, and medications will hopefully save his life, which is why taking your dog to the vet is the best thing you can do for him. Most puppies that survive the first 3-to-4 days will make a complete recovery, which usually takes around one week. Dr. Jessy and Dr. Weimer will walk you through the recovery process and tailor a recovery plan best suited to your puppy’s needs.
Parvo Prevention Parvo is a preventable disease, but even vaccinated dogs are not 100% protected from the virus. Vaccines for the parvovirus are recommended for all puppies and are usually given in a series of three shots when the pup is between 6-to-8 weeks old, again at 10-to-12 weeks, and at 14-to-16 weeks. A booster shot is administered one year later and every 3 years after that. Unvaccinated puppies and incompletely vaccinated puppies should not be exposed to unvaccinated dogs or to environments where unvaccinated dogs could have introduced the parvo virus, like dog parks or boarding facilities. Distemper/Parvo vaccines are required for all dogs staying at The Bed ‘n Bark Inn pet hotel at the HART Animal Center. While it might be tempting to take your new puppy with you everywhere you go, her health depends on keeping her safe until she is fully vaccinated against this life-threatening disease.
Unvaccinated puppies can be safely socialized with fully-vaccinated adult dogs in safe environments like your home. Most puppy classes require proof of vaccination before you can enroll your puppy. Vaccination reduces the risk of the spread of deadly diseases like parvo, so make sure that you do your research before enrolling your young puppy in a class. Socialization and training are very important for proper development, but it is up to you to make sure your puppy is socialized in a safe environment. A puppy should never be placed in situations such as daycare or training classes until they have completed their vaccines at 14-to-16 weeks of age. Understanding parvo in dogs is the first step toward preventing the spread of this dangerous virus. Make sure your puppy gets vaccinated at the appropriate ages and protect your unvaccinated and partially vaccinated puppies by keeping them in a safe environment. If you suspect your puppy has parvo, call us immediately at 301.387.7729 during our normal business hours. If after hours, please call Cheat Lake Animal Hospital, a 24-hour veterinary hospital, at 304.594.1124.