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Dog — puppy life-stage care (leave-mother age, vaccine cadence, growth-feeding, breed-size adulthood)

companion_life_stage_puppy

Dog — puppy life-stage care (leave-mother age, vaccine cadence, growth-feeding, breed-size adulthood)

Source: Merck Veterinary Manual (merckvetmanual.com), a copyrighted veterinary reference. Per COPYRIGHT_POLICY §3, the points below are paraphrased derived fact summaries: numerical values and proper nouns are preserved from the source, but sentences are rewritten and not quoted verbatim.

Claims

  • *[Paraphrased derived summary — non-Open-Access source.]* Puppies can leave their mother at about 7–8 weeks old.
  • *[Paraphrased derived summary — non-Open-Access source.]* Puppies need vaccination every 2–3 weeks until about 4 months of age.
  • *[Paraphrased derived summary — non-Open-Access source.]* Most dogs reach adulthood at 9–12 months, but large and giant breeds can take almost 2 years.
  • *[Paraphrased derived summary — non-Open-Access source.]* Young puppies must be fed several times a day to meet the demands of growth.
  • *[Paraphrased derived summary — non-Open-Access source.]* Adult dogs generally do well with one or two feedings per day.
  • *[Paraphrased derived summary — non-Open-Access source.]* A dedicated rest space, typically a crate, helps with housetraining and other training.
  • *[Paraphrased derived summary — non-Open-Access source.]* Many adult dogs also feel safe in a crate because it is their own space.
  • *[Paraphrased derived summary — non-Open-Access source.]* Diets for different life stages (puppy, adult, senior) are available in stores and online.
  • *[Paraphrased derived summary — non-Open-Access source.]* Most adult dogs should be fed 1–2 times a day, while puppies need more frequent meals.
  • *[Paraphrased derived summary — non-Open-Access source.]* Too much exercise can be harmful, especially for out-of-shape, very young, or very old dogs.
  • *[Paraphrased derived summary — non-Open-Access source.]* Puppies need a lot of care, including vet visits, feeding, socialization, and training.

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License & attribution

Source: Merck Veterinary Manual (merckvetmanual.com) is a copyrighted veterinary reference and is not openly licensed. Per COPYRIGHT_POLICY §3, every claim above is a paraphrased derived fact summary (numbers and proper nouns preserved, sentences rewritten), not a verbatim quotation.

  • https://www.merckvetmanual.com/dog-owners/puppy-care

Sources

Dog — puppy life-stage care (leave-mother age, vaccine cadence, growth-feeding, breed-size adulthood)
Source document: Merck Veterinary Manual — pet owner version
Merck Veterinary Manual (merckvetmanual.com), pet owner versionPuppy Care (Merck pet-owner version, Jul 2025)retrieved 2026-08-01

Verification file: pdf-raw/companion-care/dog_owner_combined.txt