What should a fish farmer do in a pond?
In the process of pond aquaculture, flooding ponds and poisoning incidents frequently occur. When they are serious, they cause large dead fish in ponds and cause economic losses to fish farmers. Therefore, accurately identifying flooding ponds and poisonings and taking corresponding rescue measures in time can restore the situation. Reduce losses.
Pan or pond poisoning method
Occur on time
Pantang: According to the season, most occur in the summer high temperature season, especially in the continuous rainy days and continuous low pressure hot weather, the pan-tang events are most likely to occur; according to the time period of the day, they mostly occur from midnight to early morning. In particular, ponds with ponds with relatively high water quality and high stocking densities are more likely to be flooded.
Poisoning: Generally there is no season, weather, day and night time division, but also has nothing to do with the size of stocking density. Mostly related to the entry of toxic effluent into the pond, such as sewage from factories and mines, outbreak of cyanobacterial effluent into the pool, or overdosing or improper application of methods for the treatment of fish diseases, or cleaning of pesticides in ponds several times during field application, or individually The lawbreakers are involved in poisoning the pond for various reasons. There is no regularity in the time of poisoning dead fish, and it is more random.
Identify from the performance of fish
Pan Tong: floating head due to lack of oxygen, pond fish scattered throughout the pond, exposing the body, the mouth one by one calmly draw oxygen from the air in the water, severely lack of oxygen when the pond white belly slowly turned up, while struggling to maintain balance Repeated several times, eventually the white belly dies.
Poisoning: floating head phenomenon is not obvious. The symptoms vary according to the poison. Some pond fish showed migration, jumping, struggling and eventually dying; some pond fish showed poor feeding, sluggishness, and their body color gradually turned black and hardened, eventually died of incapacity.
Differ from the type of dead fish
Pan-tang: Pan-tang dead fish is generally more common in pelagic fishes such as cockroaches and squid; fewer dead-fish heads die, such as cockroaches and squid.
Poisoning: Death of poisoned fish does not depend on the type of fish, and even dead animals that are extremely tolerant to hypoxia may die.
Relief measures taken during flooding or poisoning
Pan fish or fish poisoning caused by poisoning, if found in time, there is the possibility of rescue, there is the opportunity to reduce losses.
The relief measures for flooding ponds are to inject new water in large quantities and start aerators to increase oxygen. However, in the case of aquaculture ponds with poor facilities, where the water source is inconvenient and there is no aerator, the high-efficiency oxygenation agent can be used in time to rescue acute oxygen.
The solution to the poisoning pond is to inject large quantities of fresh water immediately, release the old water in the pond, and pay attention to the sidelines until the fish pond is calm; for ponds with insufficient water resources, fish should be pulled immediately to quickly transfer the fish to non-toxic ponds. Or in the cage, the original pond ponds are properly treated and transferred back to the original pond.
Flooding ponds and poisoning incidents occur frequently and the losses caused are large or small. In order to reduce unnecessary economic losses, management should be strengthened to prevent negligence. Breeding personnel should adhere to a daily tour of the pond, observe the weather, water color, and check the normal operation of the hardware facilities. In addition, the use of water should ensure that there is no pollution and no cyanobacteria and other invasion, to avoid direct cleaning of pesticide equipment and other waste equipment in the pond, to minimize strangers, etc. around the breeding pond.
Our mission: To protect the health of ear, throat and nose with medical frontier knowledge and technological innovation.
Our vision: Leader in several niche markets of Otolaryngology.
Our values: Change, Enterprising, Share
Electric Tooth Irrigator, Stomatoscope, Electric Toothbrush, Uitrasonic Tooth Cleaner
Ningbo Jiamai Internet Technology CO., Ltd. , https://www.jmcuhyd.com