A proven high quality food for rapid growth and excellent skin quality. High in unprocessed natural protein which is easily digested.Evolution Aqua silkworm pupae are an excellent and powerful supplementary feed for koi. Made from the highest quality silkworm pupae, they are carefully dried out to retain all the goodness with no additives or preservatives included.This product is an ideal food due to it being rich in proteins. It not only increases the growth rate of your koi but also enhances the colours. Silkworm pupae can be fed as a daily ‘treat’ or as a powerfood at maximum of 30% of total food volume. Due to the high protein and fat content values, it is recommended not to feed below temperatures of 15C/59F. To improve the digestion ability of your koi further, put the pupae in warm water for half an hour before use.