Everything you did with a litter for eight weeks is continued, or quietly undone, by people who have usually never raised a puppy before — and what they know on the first evening is largely what you chose to teach them, and when.
The most important first
- Buyer education is welfare work with a deadline: the American Veterinary Society of Animal Behavior’s 2008 position statement calls the first three months of life the primary and most important time for socialization, so a large part of that window falls after the puppy leaves you.
- The same position statement states that behavioral issues, not infectious disease, are the number one cause of death in dogs under three, and that behavioral problems are the number one cause of relinquishment to shelters.
- Teach in stages rather than all at once: before the handover, on the day, in the first week, and through the first months.
- Teach what the breeder is uniquely placed to teach — this puppy, its routine, its history — and send clinical questions to the buyer’s own veterinarian.
- Be available, and say how: the American Kennel Club advises breeders to tell buyers they will always be available if they have questions.
Why it is your job
A buyer can find generic puppy advice anywhere. What they cannot find anywhere else is what you know: how this puppy sleeps, what it has already met, what unsettles it and how quickly it recovers, what it eats and when, and what the breed is likely to need at eighteen months. You also have something no book has, which is a relationship in which the buyer is still listening.
There is a welfare case as well as a practical one. The AVSAB position is that puppies benefit from taking every safe opportunity to meet the variety of things they will encounter in life, and that socialization should continue through the first year. If the buyer believes the puppy must stay indoors until its vaccinations are complete, several of the most important weeks can pass with almost nothing happening. The Royal Kennel Club’s code of ethics puts the obligation plainly: its members agree to supply written details of dietary requirements and to give guidance on responsible ownership when placing a dog. The Canadian Kennel Club and Dogs Australia codes set similar duties to give buyers written care, training and ownership information.
What to teach before the handover
The weeks before collection are when buyers have time and attention. Use them for the things that need preparation rather than recall: what to buy, how to set up the home, where the puppy will sleep, what the first day will look like, and who will be at home. This is also the moment to correct the most common expectations that cause trouble later — that a puppy will be house-trained within days, that it should be left alone for a working day from the first week, that it can go for long walks as soon as it arrives. The practical lists are in the puppy handover checklist.
Keep it short and send it in pieces. Four emails over three weeks, each on one subject, will be read; a forty-page booklet sent once will be skimmed.
What to teach on the day
The handover is the worst possible time to teach anything new, because the buyer is excited and the puppy is the only thing they are looking at. Restrict it to what they need in the next forty-eight hours: the feeding routine, the toilet routine, the sleeping arrangement, the next date that something is due, and what to do if the puppy is unwell. Ask them to repeat those back. Everything else is in the folder described in documents and the puppy pack, and you can point to the page.
What to teach in the first weeks
This is where education does most of its work, because the buyer now has questions of their own. The subjects that matter most are almost always the same.
Socialization and habituation. Explain why the next weeks matter, and how to provide safe variety without overwhelming the puppy: visitors to the house, carried outings, new surfaces and sounds at a pace the puppy can manage. AVSAB’s position is that puppies can generally start socialization classes as early as seven to eight weeks, provided they have had at least one set of vaccines at least seven days before the first class, and a first deworming; the WSAVA vaccination guidelines and AAHA’s behavior guidelines independently support early, safe socialization. The puppy’s own vaccination schedule is for the buyer’s veterinarian to set. Send the completed socialization checklist with a note on what to continue.
Vaccination guidelines from WSAVA and AAHA agree that a puppy can be socialized safely while its vaccinations are still under way. The risk of parvovirus from a well-run puppy class is low, and missing the window costs more. Make the risk specific for buyers. Avoid dog parks, pet stores, public relief areas and dogs of unknown vaccination status. Welcome visitors, known vaccinated dogs, car rides and being carried to new places. The puppy’s vaccination course usually runs until 16 weeks or later, and the buyer’s veterinarian sets the dates.
Reading fear. Teach the buyer what a worried puppy looks like and what to do — increase distance, slow down, let the puppy recover — rather than forcing an encounter. The American Veterinary Society of Animal Behavior recommends seeking veterinary guidance if a puppy shows fear. The background is in fear, recovery and building resilience.
House-training and routine. Give them the routine you have been using, not a new one, and explain that accidents are information about timing rather than defiance — see house-training and daily routines.
Being alone. Explain how short the puppy’s experience of separation has been so far, and how to build it gradually, as in crate, travel and short separations.
Growth and exercise. Explain why a growing dog needs play and variety more than distance, and what that means for this breed — see age-appropriate activity and exercise.
In practice
A breeder notices that three of the last litter’s buyers asked the same question in week two: whether it was normal for the puppy to cry when left in another room. Instead of answering each individually, the breeder writes a one-page note on building up time alone, and adds it to a short series of messages sent on day two, day seven and day fourteen after every handover. The question stops arriving as an emergency and starts arriving as a progress report.
(Illustrative, composite scenario.)
Where your advice stops
Some questions are not yours to answer, however willing you are. Vaccination and deworming schedules, symptoms, medication, and whether a puppy needs to be seen are veterinary questions; give the buyer the history they need to take to their own practice and say so. Serious behavioral concerns — a puppy that is persistently fearful, or that growls or bites when handled — belong with their veterinarian and a qualified behavior professional, with your observations from the litter as useful background.
Tell buyers that puppies don’t usually grow out of fear or aggression, and that it is easier to address early. A puppy that stays fearful for days, or growls or snaps when handled, should see the veterinarian first. Pain and illness need ruling out, and a referral to a veterinary behaviorist may follow.
Setting that line clearly is not unhelpful. A buyer who knows exactly when to call you and when to call their veterinarian gets better help from both. Say how and when you prefer to be contacted, and what to do after hours, so that your availability is real rather than a promise that breaks the first time you are away. The longer relationship this starts is the subject of staying in contact with puppy buyers.
When to call your vet or a veterinary behaviorist
- If the puppy is lethargic, refuses food, vomits repeatedly or has diarrhea (especially with blood): the same day.
- If you are unsure when the next vaccination or deworming is due.
- If the puppy stays fearful, hides or won’t recover after a fright for more than a day or two.
- If it growls, snaps or bites when handled, groomed or approached at its food.
- If house-training suddenly goes backwards, or the puppy urinates very often. This can be medical.
- If in doubt, call — your vet would rather hear from you early.
Work on it
A few minutes here will teach you more than re-reading the article.
Ask yourself
- What do my buyers most often ask in the first two weeks, and could I have answered it before they needed to ask?
- Does anything I tell buyers imply that the puppy should stay at home until its vaccinations are complete — and is that what I actually mean?
- Where do I currently give advice that should really go to the buyer’s veterinarian?
Find out & check
- Find out which puppy classes near your buyers are run by qualified trainers using reward-based methods, and what vaccination status they require at entry.
Do one thing
- Write the day-two, day-seven and day-fourteen messages for your next litter now, one subject each.
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Sources & further reading
- American Veterinary Society of Animal Behavior — Position Statement on Puppy Socialization (2008). avsab.org
- American Kennel Club — Puppy Socialization and Preparing for New Homes: 8–12 Weeks. akc.org
- The Royal Kennel Club — The Royal Kennel Club code of ethics. royalkennelclub.com
- World Small Animal Veterinary Association — WSAVA Guidelines for the Vaccination of Dogs and Cats (2024). wsava.org
- American Animal Hospital Association — 2015 AAHA Canine and Feline Behavior Management Guidelines. aaha.org
- Merck Veterinary Manual — Canine Parvovirus. merckvetmanual.com
- Canadian Kennel Club — Code of Practice (September 2017). ckc.ca
- Dogs Australia — Code of Practice (July 2023). dogsaustralia.org.au
Where evidence is limited, recommendations rest on established practice and expert judgment, and may be updated as knowledge develops. Vaccination and parasite-control schedules are set by the owner’s own veterinarian and differ between countries and regions; nothing here replaces that advice.
Next steps
- Read next: The first journey and the first days at home.
- Related: Socialization: the breeder’s most important behavioral work.
- Related: Puppies and swallowed objects: choking, blockages and bag suffocation.
- Return to the area hub: From first inquiry to settled puppy.