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Puppy · Newfoundland

How to Stop a Newfoundland Puppy From Biting

Beginner6 steps3 min readPositive reinforcement

Updated · How we write our guides

Short answer

Because Newfoundland puppies grow into giant dogs, early bite inhibition is essential. You can stop nipping by redirecting bites to approved chew toys, pausing play briefly when they bite too hard, and rewarding calm, gentle behavior using positive reinforcement to match their sensitive, eager-to-please nature.

Newfoundland puppies are known for their sweet, patient temperament and remarkable trainability (4/5), making them excellent candidates for bite inhibition work. However, like all puppies, they go through a natural nipping phase as they explore their world and teethe. The good news: Newfoundlands' calm disposition and eagerness to please make them highly responsive to positive reinforcement training. Because Newfoundlands mature slowly and will grow into giant dogs weighing 100+ pounds, teaching gentle bite inhibition early is crucial—an unintentional jump or playful grab from an adult Newfoundland could accidentally injure someone. This guide uses science-backed, reward-based methods tailored to your pup's sensitive, people-oriented nature to redirect nipping into appropriate play while building a foundation of impulse control.

How to do it

Step-by-step

Tick off each step as you practice it — your progress is saved on this device.

  1. Step 1: Identify Your Puppy's Biting Triggers

    Observe when nipping peaks—often during play, high arousal, or teething discomfort (typically 3–6 months). Newfoundlands have low energy levels, so overstimulation is usually brief; note whether biting occurs during fetch, petting, or grooming. Understanding the trigger helps you prevent incidents proactively rather than reacting after they happen.

  2. Step 2: Redirect with Appropriate Toys

    When your puppy nips, immediately redirect to an approved chew toy (rubber rings, soft plushes, or rope toys work well for Newfoundlands' large mouths). Praise enthusiastically when they grab the toy instead of your hand. This teaches them what *should* go in their mouth while satisfying their natural urge to bite and explore.

  3. Step 3: Teach Bite Inhibition Through Gentle Withdrawals

    During calm play sessions, let your puppy mouth your hand very gently. The moment they bite harder than a light nibble, yelp softly ('Ouch!') and pause play for 10–15 seconds. Newfoundlands are sensitive and people-pleasing; this mild disruption teaches them their bite strength matters without creating fear or aggression.

  4. Step 4: Use Positive Reinforcement for 'Soft' Behavior

    Reward any gentle mouthing, licking, or calm interaction with high-value treats (small pieces of chicken or cheese work great). Reinforce moments when your puppy chooses not to bite—e.g., when offered your hand and they lick instead. Newfoundlands' strong desire to please makes them highly motivated by praise and treats.

  5. Step 5: Manage Energy with Appropriate Exercise

    Newfoundlands need about 45 minutes of daily exercise; a tired puppy is less likely to nip from excitement or boredom. Short walks, supervised swimming (they love water!), or calm play sessions burn energy in a way suited to their low-energy temperament. Avoid over-stimulation that escalates play-biting.

  6. Step 6: Practice Impulse Control During Daily Routines

    Incorporate 'sit' and 'wait' commands before meals, play, and petting to reinforce self-control. Newfoundlands learn quickly; reward calm behavior in high-excitement moments (like greeting visitors or beginning a play session). This channels their trainability and devotion into impulse control that prevents jumping and nipping.

For the Newfoundland

Pro tips

  • Newfoundlands are famously patient and devoted; use this to your advantage by making training a bonding activity. Your pup wants to please you—reward that eagerness generously, and they'll learn bite inhibition faster than many other breeds.
  • Because Newfoundlands are large and mature slowly, prioritize bite inhibition training now. An accidental mouth-to-face contact from a 120-pound adult is very different from a 15-pound puppy—invest in prevention early.
  • Newfoundlands love water and swimming is excellent low-impact exercise for their energy level. A 20-minute swim session followed by training creates a calm, focused puppy ready to learn impulse control without over-stimulation.

Owners ask

Frequently asked questions

My Newfoundland puppy nips during grooming and nail trimming. How do I manage this?

Grooming can trigger defensive nipping. Pair grooming sessions with high-value treats, take breaks every 2–3 minutes, and reward calm acceptance with praise. Start with very short sessions (30 seconds) and build up gradually. Use a redirect toy or frozen treat to occupy their mouth while you work. Newfoundlands respond well to gentle handling; staying calm yourself helps.

How long does it take to stop a Newfoundland puppy from biting?

With consistent positive reinforcement, most puppies show marked improvement in 3–6 weeks. Newfoundlands are highly trainable (4/5), so you should see progress quickly. However, they mature slowly, so residual nipping may persist until 6–8 months as teething winds down. Consistency is key—all family members must respond the same way.

Is it normal for Newfoundland puppies to bite more than other breeds?

No; Newfoundlands are not known for excessive biting. Their sweet, calm temperament actually means they nip less than high-energy breeds. If your Newfoundland is biting frequently or aggressively, rule out teething pain (consult your vet), fear, or under-stimulation. Most nipping in this breed is playful exploration, not aggression.

Should I use bitter spray or other aversive methods to stop nipping?

No. Newfoundlands are sensitive dogs who respond best to positive reinforcement, not punishment or aversives. Bitter spray or yelling can damage their trust and cause anxiety. Stick with redirection, reward-based training, and gentle yelping to communicate. This builds a confident, well-adjusted adult dog while honoring their devoted, people-pleasing nature.

When is puppy biting a reason to get professional help?

Most puppy biting fades with teething and consistent training, but get help if your Newfoundland puppy regularly bites hard enough to break skin, stiffens or growls when handled, guards food or toys, or if biting is increasing after five or six months of age. Start with your veterinarian, then work with a certified trainer or behavior consultant (CCPDT or IAABC).

Spotted a mistake or something out of date? Email us — we review every report, fix the guide and update its date. Our guides are general education, not a substitute for a certified trainer or veterinary behaviorist.

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At a glance

Newfoundland

Trainability
Energy
Barking
Size
Giant
Exercise
~45 min/day

Temperament

SweetPatientDevotedCalm

Common challenges

Leash pullingJumping (as pups)Drooling managementSlow maturity