Food-responsive enteropathy (FRE) is the most prevalent type of chronic inflammatory enteropathy in dogs. This study presents a case of a five-year-old male Yorkshire Terrier with chronic FRE and gallbladder sludge who was transitioned to a diet consisting of 35% Tenebrio molitor larvae meal, commonly known as yellow mealworm. The dog's clinical indices improved significantly within three weeks, with the Canine Inflammatory Bowel Disease Activity Index (CIBDAI) dropping from 9 to 0 and the Canine Chronic Enteropathy Clinical Activity Index (CCECAI) decreasing from 11 to 2. The dog's body weight normalized from 5.4 kg to 4.0 kg, coat quality improved, and follow-up ultrasound indicated the elimination of gallbladder sludge.
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A brief interruption of the insect-based diet led to a recurrence of sludge and gastrointestinal symptoms, but both resolved upon reintroducing the mealworm diet. Hematological and serum biochemical parameters remained stable throughout the study, indicating no adverse effects from the mealworm diet. This diet effectively maintained long-term remission of FRE while also eliminating gallbladder sludge, showcasing insect protein as a viable hypoallergenic option for dogs with dietary sensitivities.
FRE is characterized by persistent gastrointestinal issues such as diarrhea, vomiting, and weight loss. Traditional treatment often involves elimination diets with novel protein sources. The inclusion of edible insects like mealworms provides a sustainable and highly digestible protein alternative that may benefit dogs with chronic gastrointestinal conditions.
The study involved monitoring the dog’s condition over 24 months, with regular veterinary checks consistently showing significant improvement. In this case, the insect-based diet not only resolved gastrointestinal symptoms but also improved overall health, indicating that a mealworm-enriched diet could be a promising option in veterinary nutrition. This suggests that innovative dietary strategies, such as insect protein, could play a critical role in managing chronic canine conditions like FRE.