Mealworm Meal's Impact on Canine Immune Function Analyzed in New Research

Strategic Insights -

New research has examined the effects of mealworm meal on the immune function of healthy adult dogs. The study, led by researchers from Freie Universitat Berlin, found that mealworm meal, a protein supplement increasingly used in dog diets, may have immunological effects on canine health. The investigation, which was supported by Ludwig-Maximilians-Universitat Munchen, compared the effects of two different diets: one containing mealworm meal and another using poultry by-product meal.

Key Takeaways:

  • The study found that feeding dogs mealworm meal led to lower percentages of CD4 cells and higher percentages of CD8 cells in their blood.
  • An interaction effect was detected between the dietary protein source (mealworm meal or poultry by-product meal) and protein level on phagocytic activity and plasma concentrations of immunoglobulins (IgA and IgE).
  • The research concluded that the observed immunological changes were not linked to any adverse food reactions, suggesting that the clinical relevance of these findings is likely small.
  • The study's findings support the need for further research on the immunological properties of dietary mealworm meal, particularly in diseased animals.
  • The investigation involved healthy adult beagle dogs and used a randomized crossover design to evaluate the effects of mealworm meal on canine immune function.

Statistics:

  • The study involved 10 healthy adult beagle dogs, which were randomized into two dietary groups: one receiving mealworm meal and the other receiving poultry by-product meal.
  • The diets were offered to the dogs for 4 weeks, with fasting blood samples collected on day 24 of each feeding period.
  • The percentages of CD4 cells in the blood of the dogs were lower when fed mealworm meal (22.1% vs. 24.8% in the control group).
  • The percentages of CD8 cells in the blood of the dogs were higher when fed mealworm meal (32.4% vs. 29.5% in the control group).
  • The study detected an interaction effect between the dietary protein source and protein level on phagocytic activity (25.5% vs. 20.1% for mealworm meal and poultry by-product meal, respectively) and plasma concentrations of IgA and IgE.

Sources:

  • "Effects of moderate-protein and high-protein diets, including mealworm meal or poultry by-product meal, on immunological variables in healthy adult dogs." BMC Veterinary Research, 2025;21(1):504.
  • NewsRx. Researchers from Freie Universitat Berlin Report New Studies and Findings in the Area of Poultry Farming (Effects of moderate-protein and high-protein diets, including mealworm meal or poultry by-product meal, on immunological variables in ...). Agriculture Week. August 21, 2025; p 3265.