On October 26, Zhu Meirong of Guanhu Town, Bozhou City, told the newspaper “Fishing Technology 110†that she had 5,000 to 6,000 turtles in the greenhouse and about 10 grams of soft-shelled turtles. Recently, there were 5 to 6 ponds with turtles. The side upturned phenomenon, the other normal, a few days ago using potassium permanganate solution disinfection. He asked: Are the turtle skirts upturned due to disease? How to treat? The reporter consulted on Shen Wenping and Shen Wenping, director of the Baoying County Aquatic Technology Extension Station, on this issue. Due to the relatively low temperature recently, it is not a high incidence period of the soft-shelled turtle disease. The possibility of the disease caused by the pathogenic infection is relatively low. Concerning the high concentration of potassium permanganate solution used in the disinfection of the early ponds, the high concentration of potassium permanganate solution may cause the pond water body to be too strong and cause the turtle skirt to curl up. Shen Wenping said that if the upturn of the turtle's skirt is related to potassium permanganate solution, it should immediately change the water in the whole pond to reduce the concentration of the drug in the pond water body. After changing the water, the soft-shelled turtle can be improved. When changing the water, change the amount of water each time to account for about 20% of the total pool, change the water temperature difference should not exceed 5 degrees Celsius. In general, soft-shelled turtle ponds are often sterilized by potassium permanganate bag disinfecting method, and the “sterilized bags†should be promptly removed after 20-30 minutes of bag sterilization, so as not to cause the excessive concentration of drugs in the pond water to reduce the quality of turtles or even cause death. Zhao Yuejun, a self-professional farmer of the Tianjin Farming Group, found that in the selection test of the water body disinfectant for turtle fish breeding, when the concentration of ammonia nitrogen in the water of the greenhouse turtle was too high, the quicklime disinfectant should not be used. If quicklime is used to disinfect the pond water, the ph value of the original ammonia-nitrogen-rich pond will rise rapidly and the ammonia-nitrogen toxicity will be enhanced, thus affecting the activity of various enzymes in the fish, resulting in sluggish turtle action, side-lying, hypoxemia and anorexia. Then there is death. It is suggested that in the daily disinfection of greenhouse turtles, for example, high ammonia levels, chlorine or iodine preparations should be used for disinfection, and other corresponding measures should be used to reduce the concentration of ammonia nitrogen in the ponds. It is also possible to use aerobic powder, photosynthetic bacteria, and zeolite powder. Or modified pond water quality such as activated carbon.
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