In alfalfa cultivation, if there is too much algae in the water and the transparency is too low, the high temperature of the water at high noon under strong sunlight will produce a large amount of oxygen in the photosynthesis of algae. When the oxygen saturation is over 160%, it will cause bubble disease easily. . In recent years, in many turtle farms, especially in small-scale intensive culture ponds, due to waste of food and untimely decontamination, the water purification capacity is poor, and water injection is not timely. In the period from June to July, a large number of algae will multiply and prone to occur. The collapse of bubble disease, a large number of deaths, causing unnecessary economic losses.
In addition, when the nitrogen content in water is too high and the saturation reaches 160% or more, bubble disease can also be caused. This situation is most often seen in hot springs.
Second, the epidemic situation
The disease is more harmful to juveniles and cubs, and adult lice sometimes occur. The popular season is the summer high temperature period. The number of crickets that died directly from bubble disease was relatively small, mostly due to secondary infection and other diseases.
Third, illness
The infiltration of water into the water is mainly through the skin to the blood. When the water saturation in the water is high, the gas in the blood is supersaturated and the excess gas is released to form bubbles. As a result, the body surface of the earthworm, especially carapace, Many bubbles remain in the neck and eyes. Anatomy shows that the abdominal cavity also contains a lot of gas, blood vessels, intestinal wall also contains a lot of air bubbles, often cause blood vessel embolism and death. Sick people often have swollen bodies, visible air bubbles on their backs, swimming on the water, or lying on the backs of the sun.
Fourth, prevention and control measures
1. Preventive measures: 1 Dig out too much sludge at the bottom of the pond, thoroughly disinfect the ponds before stocking, 2 Change the water in time and keep the water quality in good condition, 3 Regularly adjust the quality of water and water, Keep the transparency of the water not less than 30cm, Every day in the hot season Add some new water.
2. Treatment: Bubble disease was found, fresh water was added to the pool immediately, part of the pool water was drained, the disease was picked up and transferred to a clear water cement pool, and then kept for a week until returning to normal, and then transferred to aquaculture ponds.
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