Skin rot.

Symptoms: The diseased part of the tortoise can be seen to the naked eye, and the skin turns white.

Treatment: Rub iodine two to three times a day, after rubbing fifteen After a few minutes, go back to the water, get more sun, and pay attention to the water quality. Severely rotten tortoises will lose their nails, and the affected area will expand and have a slightly rancid odor. Dry the tortoise, wipe the affected area with iodophor for disinfection, and then apply chlortetracycline ointment. Soak in water for half an hour every day to feed and bask in the sun.

Prevention: Pay more attention to the water quality, change the water frequently, and bask in the sun more.