Addictive-Like Behavioural Traits in Pet Dogs with Extreme Motivation for Toy Play

About one-third of 105 pet dogs selected for extreme toy motivation display addictive-like behaviors, including whining, anxiety, or ignoring food when toys are inaccessible. Terrier and Shepherd breeds are most affected. Behavioral cohort study uses owner surveys and lab tests. Findings highlight parallels to human behavioral addictions.

Journal: Scientific Reports
Sample Size: 105 pet dogs (selected for high toy drive)
Study Type: Behavioral cohort study (with owner surveys & lab tests)
Published: 2025
Species:

Key Findings

  • About one-third of toy-obsessed dogs showed addictive-like behaviors toward their toys
  • Signs included whining, anxiety, or ignoring food when toy was inaccessible
  • Inability to disengage mirrors criteria for behavioral addictions in humans
  • Terrier and Shepherd breeds were most often affected

The Problem

About one-third of dogs with extreme toy motivation develop addictive-like behaviors toward their toys. Owners may see their dogs whine, act anxious, or ignore food when toys are out of reach, but few realize this fixation can affect welfare. Until now, there has been little guidance on recognizing or managing toy obsession as a true behavioral issue instead of a harmless quirk.

How Common Is This?

Roughly one in three dogs selected for high toy drive in a recent study showed addictive-like behaviors focused on toys. Among these, breeds like Terriers and Shepherds were most often affected. This means if you have a dog who is fixated on toys, there’s a real chance they could struggle to disengage, especially if they’re from these breed groups. For context, out of 105 toy-obsessed dogs studied, these behaviors were not rare, but a substantial minority. Many dog owners may overlook the signs, thinking obsession with toys is simply enthusiasm or breed “drive,” when in fact it can cross into a pattern that mirrors behavioral addiction.

Research Findings

About one-third of the 105 high toy-drive dogs in the study demonstrated behaviors that closely resembled addiction, such as whining, anxiety, and refusing food if their toy was not accessible. This means that not all toy-loving dogs are at risk, but a significant subset experience real distress when separated from their toys. These behaviors included clear inability to disengage from toys, which aligns with diagnostic criteria for behavioral addictions in humans. In plain terms, your dog may not be able to self-regulate play around toys, leading to stress and decreased quality of life. Terrier and Shepherd breeds were overrepresented among affected dogs, suggesting a genetic or breed-linked component. Practically, this suggests owners of these breeds should watch for early signs of toy fixation. The study did not report percentages beyond “about one-third,” but the behaviors were consistent and recognizable. For example, a Border Collie in the study might whine persistently and pace if a favorite ball is put away, while a Jack Russell Terrier could ignore dinner entirely if the toy is out of sight. These findings show that extreme toy obsession is a real welfare concern and not simply an amusing or harmless trait.

Why Does This Matter?

At home, this matters because a dog who cannot disengage from toys may experience ongoing anxiety, miss meals, or lose interest in other forms of enrichment. For example, you might notice your dog sitting by the cupboard where toys are kept, whining for hours, or skipping breakfast if the ball isn’t available. This can disrupt routines, cause stress for both you and your pet, and even impact physical health if eating is neglected. With your veterinarian, recognizing these patterns means you can get targeted advice and avoid blaming yourself for “spoiling” your dog—the study found a genetic component, especially in certain breeds. Early intervention can help you set boundaries and avoid escalation into more severe behavioral problems. Addressing the issue now can improve your dog’s daily comfort and help you enjoy playtime together without guilt or frustration.

What You Can Do

  • Rotate toys daily to reduce fixation on any single object (use a basket with 3–5 toys, swapping out each morning).
  • Set specific playtimes with toys, limiting sessions to 15–20 minutes, then store toys out of sight until the next scheduled play.
  • Offer alternative enrichment like food puzzles or scent games (hide treats in a snuffle mat twice a day).
  • Enforce rest breaks after intense play—use a timer to give your dog 30 minutes of quiet downtime in a separate room.
  • If your dog ignores food for toys, feed meals in a different area with no toys present and monitor appetite.
  • Track signs of anxiety or distress (whining, pacing, skipping meals) in a notebook to discuss with your vet or trainer.
  • If problems persist, schedule a behavior assessment with a certified trainer or veterinary behaviorist.

When To Act

  • When your dog ignores meals or treats in favor of a toy for more than two days.
  • If your dog whines, paces, or shows visible anxiety when toys are put away.
  • At the first sign of obsessive behavior in puppies or young dogs, especially in Terriers or Shepherds.
  • If scheduled play breaks lead to frustration or agitation instead of calm.
  • When you notice your dog’s daily routine centers almost entirely on toy play.
  • After three or more incidents of missed meals or disrupted sleep linked to toy access.

Study Limitations

  • All dogs in the study were selected for extreme toy motivation; results may not apply to dogs with moderate or low toy interest.
  • Behavioral assessments relied on owner reporting and observation, which can introduce subjectivity.
  • The study did not follow dogs over time to measure long-term welfare impacts.
  • Terrier and Shepherd breeds were most common in the sample, which may affect breed generalizability.

Bottom Line

Managing toy-obsessed dogs with structured play, rest breaks, and alternative enrichment reduces addictive-like behaviors. These steps help your dog enjoy toys in a balanced way and support better daily wellbeing.

Your Action Plan

Start by gathering your dog’s toys and dividing them into rotating groups, swapping which ones are available each day to break the cycle of fixation. Schedule two daily play sessions with toys, each limited to 15–20 minutes, and use a kitchen timer to keep track. Between sessions, keep toys out of sight in a closed cupboard. Add puzzle feeders or snuffle mats to your dog’s routine to encourage other forms of mental activity, especially if your dog seems restless after toy time ends. If you notice your dog skipping meals, move feeding to a quiet room with no toys present and monitor their appetite closely. Keep a simple notebook or use your phone to log anxious behaviors like whining or pacing, which you can share at your next vet or trainer visit. If your dog’s obsession persists, book a session with a certified behaviorist to develop a tailored plan for your household.

Disclaimer

This information is for educational purposes and does not replace personalized veterinary or behavioral advice. Always consult your veterinarian or certified trainer for dog-specific recommendations.

Reference

Multiple researchers. "Addictive-Like Behavioural Traits in Pet Dogs with Extreme Motivation for Toy Play". Scientific Reports. 2025. DOI: 10.1038/s41598-025-18636-0