After entering October, as the weather turns cooler and the temperature continues to drop, the fish ponds will experience the following phenomena: 1. Slower food consumption while gradually decreasing; 2. Some pond water bodies become thicker and some become clear; Some fish ponds have begun to eat for a long time.
the reason
1. As the temperature decreases, the amount of fish movement decreases, while the change in water temperature (lower and upper water body water mobility is poor, likely to cause back to the bottom and other issues), resulting in reduced food intake;
2. Due to the low temperature environment, the sunlight is not sufficient, the photosynthetic capacity of algae and fungi is weakened, and the amount of oxygen produced is reduced, resulting in a decrease in dissolved oxygen in the water. A large amount of organic matter cannot be decomposed, and sometimes the algal phenomenon occurs;
3. The ability of the pond to decompose itself has decreased, due to the large amount of ice-fish bait feeding in early August-October, (especially the quality of ice-fish was significantly decreased in the later period), which led to the accumulation of large amounts of residual bait in the bottom of the pond. Organic matter rots and deteriorates in the bottom of the pool, resulting in a large number of toxic and harmful substances (higher levels of ammonia nitrogen and nitrous acid), affecting the normal physiological function of the fish body;
4. Improper human management has caused the fish ponds to be in a sub-healthy ecological environment for a long period of time (with no more than 3 to 4 changes of water in a year). At the same time, in order to increase the amount of feeding, it is not hesitate to use irritating drugs every day to make the fish produce Dependence, without stimulating drugs in one day, the food on that day was significantly reduced or even not eaten, and at the same time, once the fish body became sick, the effects of common conventional medicines weakened, and antibacterial preparations had to be used in large doses to normalize the physiological function of the fish body. Caused great damage.
Suggest
1. The recent pond should pay more attention to the bottom of the pond to clean up, timely use of "super particles" to improve the bottom of the pond, degradation of toxic and harmful substances;
2. Change the water often (15-500px each time) to maintain the fresh water quality of the pond. At the same time, the low-temperature state should be supplemented with a large amount of nutrient fertilizer “Algae Deli†and supplemented with low-temperature dominant algae species “Diatom Sourceâ€. Balance the balance of algae bacteria in water and increase dissolved oxygen in water;
3. According to the actual conditions of feeding in Tangkou, it is recommended to use a small amount of “detoxification treasure†+ “good C-100†to decompose the organic matter in the water and enhance the anti-stress ability of the water body. Enhances the anti-stress ability of fish;
4. Reasonable feeding and healthy breeding can use oral nutrition instead of stimulant drugs to avoid the stress response caused by the massive use of stimulant drugs and reasonable risk avoidance.
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