
When it comes to vaccinating puppies before selling, there are varying opinions and regulations. In some places, there is no legal requirement for breeders to vaccinate puppies before selling them. However, it is generally recommended to vaccinate puppies between 6 to 12 weeks of age to protect them from various viruses. The DHPP/DAPP vaccine, for example, can be given in 3 to 4 rounds, while other non-core vaccinations may be advised based on location and lifestyle. Rabies vaccination is specifically required by law in some states, and it must be administered by a veterinarian. While breeders may not be legally mandated to vaccinate puppies, it reflects their commitment to the puppies' health and wellbeing.
Do you have to vaccinate puppies before selling?
| Characteristics | Values |
|---|---|
| Legality of selling unvaccinated puppies | In the United States, breeders are not legally required to vaccinate their puppies, except for the rabies vaccine. |
| Recommended vaccines | DHPP/DAPP vaccine (3-4 rounds), rabies, Bordatella, Leptospirosis, canine distemper, adenovirus type II parainfluenza, and parvovirus. |
| Age for first vaccination | Between 6-10 weeks. |
| Number of vaccinations | 2-4 vaccinations, depending on the type of vaccine. |
| Interval between vaccinations | 2-4 weeks between each vaccination. |
| Microchipping requirements | Puppies must be microchipped before being sold, with the breeder's details registered first, followed by the new owner's details within 21 days of ownership transfer. |
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What You'll Learn

Legality of selling unvaccinated puppies
The legality of selling unvaccinated puppies varies depending on the region. For example, in the state of Nevada, based on the primary citation N. R. S. 574.010 to 574.550, it is illegal to sell a puppy without the required vaccinations for rabies, which must be administered based on the puppy's age. Similarly, the state of Florida has released a list of mandatory vaccinations for dogs, including rabies, canine distemper, parvovirus, adenovirus, parainfluenza, leptospirosis, bordetella, roundworms, and hookworms. These vaccinations are considered core vaccinations and must be administered before the puppy reaches eight weeks of age.
In Virginia, there are laws prohibiting the sale of immature animals, including dogs and cats under seven weeks of age without their mother. Additionally, dealers are required to provide all dogs and cats with current vaccinations against contagious and infectious diseases, as recommended by a licensed veterinarian or the vaccine manufacturer. The minimum required vaccinations for dogs in Virginia include canine distemper, adenovirus type II parainfluenza, and parvovirus.
While there may not be a federal law mandating vaccinations for puppies before selling, it is generally recommended to start vaccinating puppies between 6 to 8 weeks of age. Puppies are more susceptible to viruses until around 4 months of age, and vaccinations can significantly reduce their risk of contracting illnesses. Reputable breeders are expected to provide basic veterinary care, including vaccinations, health check-ups, and microchipping, to ensure the health and wellbeing of their puppies.
However, it is important to note that some sources suggest that it is not legally required for breeders to vaccinate their puppies before selling them. The only vaccine typically mandated by law in the United States is the rabies vaccine, which puppies usually receive when they are 12 to 16 weeks old, depending on the state. Nonetheless, it is strongly advised against purchasing puppies from breeders who do not provide the initial round of vaccinations.
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Recommended vaccines for puppies
Vaccinations are critical to ensuring your puppy stays healthy as they grow older. They are the safest and most cost-effective way to protect your dog from many infectious preventable diseases. Vaccines help stimulate the immune system to produce protective antibodies against harmful diseases, providing immunity without your puppy having to suffer from the actual illness.
There is no one-size-fits-all protocol for vaccinating your puppy. The vaccination schedule will depend on factors such as the part of the world you live in, your puppy's breed, health history, and individual risk factors. Your veterinarian is your best source of guidance for tailoring a schedule to meet your puppy's specific needs.
That said, there are some standard vaccines that are recommended for puppies. The core vaccines are required for all dogs and puppies and include:
- Canine distemper/adenovirus-2 (hepatitis)/parvovirus/parainfluenza vaccine (given as one vaccine and commonly referred to as DA2PP, DHPP, or DAPP)
- Rabies vaccine
The DHPP/DAPP vaccine is typically given in 3-4 rounds separated by 2-4 weeks, with the first round administered when the puppy is between 6-8 weeks old. The rabies vaccine is usually given when the puppy is 12-16 weeks old.
In addition to the core vaccines, your veterinarian may recommend certain non-core or lifestyle vaccines depending on your puppy's lifestyle and risk factors. These could include vaccines against Bordetella, Leptospirosis, or canine coronavirus.
It is important to keep up with your puppy's vaccination schedule to ensure they are protected from dangerous and potentially deadly diseases.
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Timing of puppy vaccinations
The timing of puppy vaccinations is crucial to ensure their effectiveness. While breeders are not legally required to vaccinate puppies before selling them, it is highly recommended that puppies receive their initial vaccinations before leaving the breeder. The first round of vaccinations typically begins when puppies are between 6 to 8 weeks old. However, the specific vaccine schedule may vary depending on the recommendations of a licensed veterinarian or the vaccine manufacturer.
The core vaccines for puppies include the DA2PP, DHPP, or DAPP vaccine, which protects against canine distemper, adenovirus-2 (hepatitis), parvovirus, and parainfluenza. The rabies vaccine is also required by law in the United States, but puppies typically need to be 12 to 16 weeks old before receiving this vaccination. This timing ensures that the maternal antibodies have subsided, allowing the puppy's immune system to respond adequately to the vaccine.
The DHPP/DAPP vaccine is usually given in 3 to 4 rounds, with each dose administered 2 to 4 weeks apart. This initial vaccination series is crucial in priming the puppy's body against viruses and stimulating their immune system to produce antibodies. After the initial series, boosters or titers may be recommended throughout the dog's life to maintain protection.
In addition to core vaccines, there are lifestyle vaccines that are optional and depend on factors such as the puppy's geographical location, exposure to other dogs, and lifestyle activities. These may include vaccines such as Bordatella and Leptospirosis, typically given around 12 to 16 weeks of age. It is always best to consult with a veterinarian to determine the appropriate vaccine schedule and recommendations for your puppy's specific needs.
Overall, the timing of puppy vaccinations is a critical aspect of their healthcare routine, providing protection against life-threatening diseases and ensuring their overall well-being as they grow into adulthood.
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Rabies vaccine requirements
Rabies is a viral disease that can infect all warm-blooded mammals, including humans, and is transmitted through the bite of an infected animal. It causes acute encephalitis in all warm-blooded hosts, and the outcome of infection is almost always fatal. The early signs of rabies in animals include anxiety, hallucinations, excessive drooling, and fear of water.
In the United States, the rabies vaccine is the only vaccine that is required by law in every state. Puppies must typically be 12-16 weeks old to receive the rabies vaccine, as this ensures the vaccine's efficacy. Maternal antibodies can interfere with the vaccine's effectiveness in younger puppies. The rabies vaccine is highly effective in protecting dogs from the virus, and it is important for preventing the spread of rabies to other animals and humans.
While breeders are not legally required to vaccinate their puppies, it is strongly recommended that buyers do not purchase from a breeder who does not provide the first round of vaccinations for their puppies. This is because puppies are at a higher risk of contracting viruses if they have not been vaccinated before 8 weeks of age.
In Washington State, all dogs must have up-to-date rabies vaccines, and owners must follow veterinary and vaccine manufacturer instructions for revaccination. Some communities in Washington require proof of rabies vaccination to obtain a pet license.
It is important to consult with local health officials and veterinarians to ensure compliance with rabies vaccination regulations, as requirements can vary by state and locality.
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Microchipping requirements
Microchipping is a permanent method of electronic identification for dogs. They are radio-frequency implants no bigger than a grain of rice and are injected under the puppy's skin between the shoulder blades. The microchip is essentially inactive unless scanned when the radio waves put out by the scanner activate the chip. The microchip number corresponds to some basic contact information for the puppy's owner so that they can be contacted in case the puppy goes missing.
Puppies should not be sold before they are eight weeks old. By law, breeders must microchip their puppies before selling them. The breeder will register the puppy on a national database, and the breeder's details will forever be associated with the microchip. It will also include the keeper's information, which can be changed or updated if the puppy's information changes or it gets a new owner. Selling a puppy that is not microchipped and registered in the breeder's name is illegal.
As a new owner, your puppy must be microchipped by the breeder before you collect them. If the puppy is not, the breeder must supply you with a veterinary exemption certificate. Your breeder should also give you paperwork (or send you an email) that includes your puppy's microchip number and details of the database it has been registered with.
It is important to keep your contact details up to date. If your puppy goes missing, and your contact details aren't correct, you will not be able to be contacted. It is a legal requirement to keep these details updated, and failure to do so may result in a fine.
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Frequently asked questions
No, breeders are not legally required to vaccinate their puppies before selling. However, it is recommended to vaccinate puppies when they are between 6-8 weeks old.
Puppies that are not vaccinated are at a higher risk of developing viruses such as rabies and parvovirus.
Core puppy vaccinations include canine distemper, adenovirus type II parainfluenza, and parvovirus.
In some states, such as Florida, the rabies vaccine must be administered by a veterinarian. It is possible to administer other core vaccines yourself, but it is not advisable due to potential risks and adverse effects.











































