Duckweed fish "four taboos"
Duckweed is a good green feed for fish. However, improper feeding can cause harm to fish. Therefore, there are "four taboos" for feeding fish with duckweed:
A bogey feeding duckweed covered the surface of all fish ponds. To feed duckweed with duckweed, it is advisable to use a bamboo raft in the corner of the pond for food. The area of ​​the food should not exceed one-fifth of the pond's water area. Put the duckweed in the food court to feed the fish. . If there are too many duckweeds to be placed in fishponds and there is no special food field, floating duckweed will cover the entire surface of the water, which will affect the photosynthesis of algae in the water, resulting in lack of oxygen in the pool water.
Second bogey in a hot or thunderstorm day feeding duckweed. When the weather is hot or there is thunderstorm, the dissolved oxygen in the pool water will drop. If a large amount of duckweed is fed at this time, the dissolved oxygen in the pool water will be further reduced, and it is easy to cause pan fish to die.
Three bogey duck duck feeding in the evening or night. It is best to feed duckweed on a sunny morning and avoid feeding in the evening or at night. On the one hand, duckweed put into the fish pond in the evening or at night, its own respiration will consume a lot of water dissolved oxygen; on the other hand, after the fish eat at night, it will also increase respiratory oxygen consumption, both of which can lead to lack of oxygen in the pool water. .
Four bogey feeding contaminated duckweed. The duckweed fed to the fish pond should be clean and free from contamination, and it is advisable to fish it within 2 to 3 hours. Otherwise, the contaminated duckweed will be placed in the fish pond. After the fish are eaten, the fish will affect the growth of the fish and cause serious fish death.
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