Study finds cats accepted cultivated hamster cells in wet food

A new study in Frontiers in Veterinary Science suggests cultivated hamster cell biomass may be a viable animal-derived protein source in wet cat food, at least in the short term. In a double-blinded, cross-over trial, researchers compared a diet made with cultivated hamster cells against a control diet made with chicken breast in healthy adult cats. Nine of 10 cats showed good acceptance in the feeding test, leftovers were significantly lower with the cultivated-meat diet, and apparent protein and fat digestibility were broadly comparable between the two diets. The study used 10 cats for acceptance testing and 8 for the digestibility phase, and the authors said body weight, body condition score, muscle condition, and fecal quality remained stable during the trial. The paper was funded by Bene Meat Technologies, and one author is employed by the company. (frontiersin.org)

Why it matters: For veterinary professionals, the study adds early species-specific data to a category that has generated more discussion than feeding evidence. Cats are obligate carnivores, so any alternative protein has to clear a higher bar on palatability, digestibility, and nutrient delivery. Here, the cultivated ingredient performed against a high-quality chicken control, though the trial was small, short, and focused on apparent digestibility rather than long-term health outcomes or amino acid bioavailability. That makes the findings encouraging, but still preliminary for clinical nutrition, formulation, and recommendation decisions. (frontiersin.org)

What to watch: Watch for larger, longer-duration feeding studies, regulatory movement in pet food markets, and whether cultivated proteins can be produced at costs and volumes that make commercial feline diets realistic. (petfoodindustry.com)