1. Select the flame turtle with hair color gene: Whether the flame turtle can develop color or not, the gene accounts for a large part. If the breeder wants to make the color of the flame turtle turn red, he should choose the one with hair color gene when selecting.

2. Provide a comfortable environment: Flame tortoises have hair color genes, and they have to be reared the day after tomorrow to make their colors redder and redder. Breeders need to ensure that their living environment is comfortable. Usually, the water temperature can be kept at about 25 ℃, and the water quality should be clean and refreshing. It is best to change it twice a week, and half of the water should be changed each time.

3. Get more sun: Usually, give flame turtles more sun, so that they can better synthesize pigments and make their body color more bright. If conditions permit, you can build a balcony in the container and let them climb up to bask in the sun.

If you want the flame turtle to turn red, you should feed more foods rich in astaxanthin, such as crayfish, river shrimp and shrimp. In addition, they should be fed some animal feeds, such as small fish, loach, tadpoles, snails and so on. Then with some plant feed, such as cucumber, carrot, cabbage, apple, banana and so on. This can not only promote their hair color, but also ensure balanced nutrition.