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“Designer” mixed-breed dogs like cockapoos, cavapoos, and labradoodles have gained significant popularity as family pets in recent years. Many believe these dogs are easier to train, more friendly, and better suited for families compared to traditional purebred breeds. However, a recent study challenges this perception.
Led by Gina Bryson from the Royal Veterinary College in the UK, researchers investigated the behavior of these popular crossbreeds. Their findings, published in PLOS One, indicate that some of these dogs may actually display more behavioral problems than their purebred parent breeds.
The study focused on three common mixes: cockapoos, which are a combination of poodles and cocker spaniels; cavapoos, a mix of poodles and Cavalier King Charles spaniels; and labradoodles, which combine poodles and Labrador retrievers. These dogs are often selected because owners expect them to inherit the best traits from both breeds.
To assess this assumption, researchers analyzed survey data from over 9,400 dog owners across the UK. They used the Canine Behavioral Assessment and Research Questionnaire (C-BARQ), a reliable tool that measures various aspects of dog behavior, including aggression, fear, excitability, and separation anxiety.
When comparing these crossbreeds to their parent breeds, the results were unpredictable. In approximately 44% of cases, the crossbreeds exhibited more problematic behaviors than at least one of their parental breeds. Only around 10% of the time did the crossbreeds show better behavior, and nearly half of the comparisons revealed no significant difference.
Among the three groups, cockapoos exhibited the most behavioral issues, performing worse than their parent breeds in areas such as aggression toward owners and strangers, as well as high levels of excitability. Cavapoos showed increased concerns with separation anxiety and fear of other dogs. Conversely, labradoodles generally had fewer problems; in some instances, they even demonstrated better behavioral traits than their parent breeds, particularly with less aggression.
These findings suggest that crossbreeding doesn’t automatically result in better behavior, despite common beliefs among dog owners. Behavior is complex and influenced by a combination of genetic factors, training, and environmental conditions.
The researchers emphasize that their study doesn’t imply crossbreed dogs are poor pets. Instead, it highlights that owners shouldn’t assume these dogs will naturally possess ideal temperaments. Being aware of potential challenges allows owners to better prepare through appropriate training, socialization, and care.
As the popularity of designer dogs continues to rise, this research aims to promote greater awareness about canine behavior. With more informed decisions, owners can foster healthier, happier relationships with their pets, ensuring both their well-being and safety.

