JBL ProPond Silkworms MSilkworm treats for all koi fish. Silkworm extrudate with the right protein fat ratio 5: 1 in accordance with the NEO index which takes temperature, function, animal size and age into account. Silkworm with added salmon, gammarus, spirulina and seaweed for a wholesome diet (at 15 25C water temperature) Food size M (15mm) for fish from 15 85cm. Floating food in silkworm shape and ideal composition with 44% protein, 9% fat, 2% crude fibre and 10% crude