With 14 million cats, more than 7 million dogs (according to a 2018 Facco/Kantar report), and a few million fish, birds and other animals, at least half of all French households contain a pet.   From flexitarian to vegan, natural, gluten free… it is widely accepted that current human food trends are an expression of an overall movement towards hyperspecialized diets. But what about the petfood aisle of the supermarket? And what nutritional…