The southern nail fry 6- 1 1 month is the best. According to the website of agricultural technology school, the optimum temperature of soft-shelled turtle is 28~30, 6- 1 1 month, and the breeding farm must be equipped with parent breeding pond, egg laying room, juvenile pond, juvenile pond and adult pond. Young turtles should be fed with bait such as Daphnia and earthworm, and then they can be fed with eel compound feed. Soft-shelled turtle should be fed with feed with high protein content.