Canine health: genetics and breed predispositions play a critical role  

canine health genetics

Recent studies have shed light on two significant health concerns affecting dogs: diarrhea and atopic dermatitis. Both these studies underscore the importance of genetics and breed-specific awareness in veterinary care. 

Incidence of diarrhea in dogs 

A study published in PLOS One reveals that approximately 8.2% of dogs in the U.K. are diagnosed with diarrhea each year. Specific breeds, such as Maltese and German Shepherds, exhibit a higher susceptibility to this condition, while Jack Russell Terriers and Chihuahuas appear to be less affected. The research indicates that younger dogs and those over nine years old are particularly prone to diarrhea, often experiencing additional symptoms like vomiting and lethargy.  

Despite most cases resolving quickly with appropriate veterinary care, an alarming 38% of affected dogs are treated with antibiotics, contradicting expert recommendations against such treatment for mild cases. This finding highlights the necessity for veterinarians to adopt breed-specific strategies in managing gastrointestinal health, and promote awareness among dog owners about the risks associated with certain breeds. 

Gene variant linked to canine atopic dermatitis 

Complementing this research, another study in Frontiers in Veterinary Science has identified a splice donor variant in the SLAMF1 gene associated with canine atopic dermatitis (CAD). CAD is a prevalent inflammatory skin condition affecting up to 30% of dogs, leading to chronic itching and discomfort. A genome-wide association study encompassing over 28,000 dogs revealed a significant genetic signal on chromosome 38, particularly within French Bulldogs. The SLAMF1 variant may serve as a valuable biomarker for dog breeders, enabling informed breeding decisions aimed at reducing CAD risk in future generations. 

What these studies mean for veterinary professionals 

Together, these studies emphasize the critical role of genetics and breed predispositions in canine health. The identification of specific genetic markers associated with conditions like atopic dermatitis provides a foundation for developing targeted management strategies that can improve the quality of life for affected dogs. Veterinary professionals are encouraged to integrate these insights into their practices, ensuring that genetics and breed-specific factors are considered when diagnosing and treating common canine ailments. 

  • AW ACADEMY is a natural extension of our 25 years of experience publishing Animal Wellness, Equine Wellness and Innovative Veterinary Care Journal. We believe that everyone has a responsibility to care for animals to the best of their ability utilizing the most natural and minimally invasive means possible. We feel strongly that it’s better to promote a preventative healthy lifestyle for our pets instead of taking a wait-and-see approach. We also fiercely advocate for the quality of animals’ lives, supporting animal rescues and welfare organizations both financially and through our editorial.

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