- Research plugs the gap in knowledge of black soldier fly larvae-based protein in cat food.
- Great acceptance, digestibility and nutritional value comparable to a super-premium poultry by-product-based diet.
- Possibility to positively impact gut health due to its potential prebiotic effect.
Protix, a leading insect ingredients company, has unveiled the results of a study into insect-based cat food conducted at Wageningen University and Research. The study has been published in the Journal of Insects as Food and Feed and shows that Protix’s BSFL meal (ProteinX) included in high levels in cat diets was well accepted and resulted in food digestibility comparable to a super-premium poultry by-product meal-based diet. ProteinX modulated the gut microbiota and promoted an increase in the production of fecal short-chain fatty acids (SCFAs), which are considered beneficial for the animal’s health.
The findings open up exciting opportunities for manufacturers to develop feline-specific formulas with a science-backed health claim.
The study structure
The study investigated the effects of incorporating Protix’s BSFL meal on the nutritional profile of a dry extruded cat food, and the impact on certain health aspects of cats. Eight adult cats were fed two different diets over two 28-day periods. One diet included ProteinX at 37.5 percent in the recipe, while the control was based on poultry by-product meal (PBP) with a similar nutrient and ingredient composition.
Throughout the study, food acceptance was monitored, and samples were collected during the final seven days of each period for assessment of apparent total tract nutrient digestibility, fecal consistency, fermentation products and microbiota, as well as blood biochemistry and hematology.
Given cats’ reputation for fickleness, the BSFL food found wide acceptance among the subjects. All the cats maintained normal consumption of the ProteinX diet throughout the trial period, with no food refusal, vomit or significant changes in blood parameters. The cats maintained their body weight and overall health.
The digestibility of dry matter, organic matter, nitrogen, fat and gross energy were notably high for the BSFL meal-based diet, aligning closely with those of a super-premium diet. The felines’ feces were well-formed, and of optimal consistency.
The ProteinX-based diet had a profound impact on intestinal microbial activity, increasing the production of short-chain fatty acids (SCFAs). SCFAs (acetate, butyrate, and propionate) are considered beneficial for the animal’s health and their concentration in the feces of cats fed the BSFL diet was significantly higher than the control group values.
Furthermore, the cats presented a higher relative abundance of certain beneficial bacteria genera such as Bifidobacterium, known for its probiotic properties and considered beneficial for host health, while showing inhibition of Negativibacillus and Lachnoclostridium genera – these latter being associated with clinical signs of digestive issues and detrimental for gut health. Therefore, by stimulating gut microbiota activity and production of SCFA, increasing beneficial gut bacteria and inhibiting some gut bacteria linked to digestive problems, ProteinX shows the potential to support gut health in adult cats. The results suggest that the unique composition of ProteinX meal and its presence of components such as lauric acid, antimicrobial peptides, and chitin yield high nutritional value, and potentially has prebiotic effects.
Bruna Loureiro, product development manager at Protix, said the following: “These results represent a further step in bringing natural and tasty insect-based nutrition to cats based on scientific evidence. We look forward to working with manufacturers to translate these promising findings into palatable products that will promote good gut health in felines.”
The recently published research addresses the growing interest in the potential of insect ingredients as a high nutritional value, sustainable and healthy alternative in pet food formulations. Manufacturers can confidently incorporate insect ingredients at high inclusion levels into highly palatable cat food in the knowledge that they represent a sustainable and healthy option. The research paves the way for manufacturers to tap into growing consumer demand for natural pet food that optimizes nutrition and animal well-being.
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