Short Leash, Issue #187
The more we learn about canine health, the clearer it becomes that our dogs rarely face a single cause or a single solution. This edition of Short Leash explores the growing appreciation for a whole-dog approach to health, from functional nutrition and chrononutrition to healthy aging, stress resilience, and behavioral wellness. We also look at innovative ideas for improving the welfare of brachycephalic breeds, an important medication recall, and new research suggesting that chronic diseases are often interconnected rather than isolated conditions. As always, our goal is to help you move beyond the headlines, evaluate new research with a critical eye, and discover practical insights that can help dogs live longer, healthier lives.
Adequan Recall Issued After Glass Fibers Detected
A nationwide recall has been issued for specific lots of Adequan® i.m. injectable products for dogs and horses after the manufacturer identified potential glass fibers in some vials during quality testing. While no injuries had been reported at the time of the announcement, injecting glass particles could cause inflammation or other complications. Veterinarians are advised to stop using affected lots immediately and return them to the manufacturer. If your dog receives Adequan injections, there's no need to panic, but it's a good idea to check with your veterinarian to determine whether your pet's medication is part of the recall. The event also reminds us that even well-established medications undergo ongoing quality monitoring to help ensure their safety.
Beyond Basic Nutrition: Functional Foods for Dogs
A comprehensive new review explores the growing role of plant-derived functional ingredients in dog and cat nutrition, examining compounds such as polyphenols, herbal extracts, microalgae, cannabinoids, and fermented plant products. The authors found that many of these ingredients show promise for supporting antioxidant defenses, reducing inflammation, promoting a healthy gut microbiome, and enhancing immune and metabolic health. However, they also emphasize that dogs and cats respond differently to plant compounds because of their unique physiology, making species-specific formulations and appropriate dosing essential. While functional ingredients are becoming an exciting area of companion animal nutrition, the review concludes that they should complement a balanced diet rather than replace it, and that more long-term research is needed to better understand their safety and effectiveness.
Could Crossbreeding Help Flat-Faced Dogs Breathe Easier?
A new study explored whether crossing extreme brachycephalic (flat-faced) breeds with healthier, longer-muzzled dogs could improve health while preserving the temperament and strong human-animal bond that make these breeds so popular. Researchers found that the crossbred dogs experienced significantly fewer breathing difficulties and other conformational health problems while maintaining behavioral traits and owner relationship quality similar to their brachycephalic parents. Although crossbreeding is not a quick fix and requires thoughtful, long-term breeding programs, the findings suggest it may offer a practical way to improve the welfare of future generations of flat-faced dogs without losing the characteristics that owners value most. As concerns grow about breeding for extreme physical features, this study offers encouraging evidence that healthier dogs and happy owners do not have to be mutually exclusive.
It's Rarely Just One Disease
A new study from the Dog Aging Project, involving more than 50,000 companion dogs, found that dogs accumulate multiple chronic health conditions as they age, much like people do. Researchers discovered that each additional diagnosis increased a dog's risk of death and that certain diseases tended to occur together more often than expected, suggesting they may share common underlying biological pathways. Rather than viewing arthritis, kidney disease, diabetes, or cognitive decline as isolated conditions, the findings reinforce the idea that the cumulative burden of chronic disease over time shapes healthy aging. The study also highlights why companion dogs are such valuable models for aging research and supports a growing shift in both human and veterinary medicine toward extending healthspan by promoting lifelong wellness rather than simply treating diseases as they appear.
Timing May Matter as Much as What's in the Bowl
Have you heard about chrononutrition, the emerging science of aligning meal timing with the body's natural biological clocks? Like people, dogs and cats have circadian rhythms that influence metabolism, hormone production, digestion, and energy use throughout the day. The article suggests that consistent feeding schedules and well-timed meals may support metabolic health, digestive function, and healthy aging by working with these natural rhythms rather than against them. While chrononutrition is still an emerging field in companion animal medicine, it reinforces an important concept: nutrition isn't just about what we feed our pets, but also when we feed them. As research continues to evolve, meal timing may become another valuable tool for supporting lifelong health alongside a balanced diet, regular exercise, and maintaining an ideal body condition.
Helping Dogs Adapt to Stress
A recent IVC Journal article explores the use of adaptogenic herbs to support adrenal health in dogs and cats, particularly those with chronic stress or adrenal disorders such as Cushing's and Addison's disease. Adaptogens, including ashwagandha, rhodiola, astragalus, rehmannia, cordyceps, and holy basil, are believed to help the body adapt to physical and emotional stress by supporting hormonal balance, immune function, and resilience. The article emphasizes that these herbs are not replacements for conventional veterinary treatment but may serve as complementary therapies when incorporated into an individualized, integrative care plan. While research on several adaptogens is promising, particularly for stress reduction and overall vitality, additional veterinary studies are needed to better define their long-term safety and effectiveness in companion animals.
A Whole-Dog Approach to Separation Anxiety
Separation anxiety is one of the most common behavioral disorders in dogs, and a recent IVC Journal article emphasizes that successful treatment rarely relies on a single solution. Instead, the best outcomes come from a multimodal approach that combines behavioral modification with environmental enrichment, appropriate medication when needed, and supportive integrative therapies such as pheromones, calming nutraceuticals, and structured routines. The article also stresses the importance of ruling out underlying medical conditions that may contribute to anxiety before beginning treatment. While no single therapy works for every dog, combining conventional and integrative strategies can help reduce stress, strengthen the human-animal bond, and improve long-term quality of life.
Continue the Conversation on the Podcast
This week's Short Leash Podcast, releasing on October 18, 2026, continues the conversation with Dr. Chris Bessent, a holistic veterinarian with nearly four decades of experience caring for animals of all sizes. As a clinician, pet owner, and lifelong advocate for animal health, Dr. Bessent founded The Simple Food Project to provide dogs with the benefits of whole-food nutrition in a convenient, minimally processed format. Her recipes focus on purposeful ingredients and use no fillers, synthetic additives, or meat meals. Join us as we discuss the evolving role of whole-food nutrition, the growing interest in functional ingredients, and why feeding dogs should focus on supporting long-term health rather than simply meeting minimum nutritional requirements. Together, we'll explore how thoughtful nutrition can become one of the most powerful investments we make in our dogs' healthspan and quality of life.