Peer-reviewed veterinary case report
Obesity risk factors in British Labrador retrievers by sex and coat
By Wallis, Natalie J et al.·Published in The Veterinary record·2024·Department of Physiology, United Kingdom·View original on PubMed →
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Original publication title: Obesity risk factors in British Labrador retrievers: Effect of sex, neuter status, age, chocolate coat colour and food motivation.
- Species:
- dog
Plain-English summary
A study of British Labrador retrievers found that certain factors can increase the risk of obesity in these dogs. Neutering male Labradors significantly raised their chances of becoming overweight, while older female Labradors were also more likely to be obese. Interestingly, dogs with chocolate-colored coats and those that showed high motivation for food were identified as new risk factors for obesity. Understanding these factors can help owners manage their Labradors' weight more effectively.
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Abstract
BACKGROUND: Canine obesity is a complex disease affected by genetic, endocrine and environmental factors. It is associated with reduced lifespan and many comorbidities. Prevalence differs by breed, with Labrador retrievers at high risk. Past data on how biological risk factors impact weight gain have been contradictory, possibly because they were obtained from genetically heterogeneous populations. METHODS: We investigated risk factors for canine obesity in a population of British Labrador retrievers (n = 521) with high-quality data on obesity, weight, owner-reported food motivation and related characteristics. We used linear regression to assess known and novel risk factors for obesity. RESULTS: We found that neutering increased obesity in males (p < 0.001) but not females (p = 0.37). Older age was associated with obesity in female Labradors (p = 0.013) but not males (p = 0.49). We identified two new risk factors for obesity in Labrador retrievers: chocolate coat colour (p < 0.001) and high food motivation (p < 0.001). LIMITATIONS: Strategic recruitment to collect both obese and lean dogs means this cohort is not suitable for assessing obesity prevalence in UK Labrador retrievers. CONCLUSION: Studying this genetically homogeneous population informs our knowledge of common risk factors for obesity and expands those relevant to Labrador retrievers.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/37747436/