Salt has strong insecticidal and sterilizing effects and is a commonly used drug for the prevention and treatment of various fish diseases. In particular, it has significant effects in preventing and treating fish diseases caused by bacteria, fungi, and various parasites. The prevention and control methods are described below.
1, the prevention and treatment of bacterial fish disease
Use 3% salt water to dip 3 or more inches of fish for 10 to 15 minutes, or sprinkle salty water all over the pool, concentration 11 to 22.5 mg/l, water depth 1 meter, 7.5 to 15 kg of salt per acre, can prevent herring Gill disease, red skin disease. In the compound feed, incorporation of 2.5% salt can prevent herring enteritis. With the use of trichlorfon and salt, the effective rate of the above-mentioned three diseases of herring can reach 100%, the early cure rate is over 90%, and the medium-term cure rate is also about 80%. The method is to sprinkle quicklime blocks in the whole pond, with an average depth of 1 meter per acre and a dosage of 20 kilograms, and immediately spray 90% of the crystal trichlorfon and salt mixture from the sprayer with a sieve to remove the trichlorfon 0.5-0.7. Mg/L, salt 5-7 mg/L. The first time can be recovered; the middle period of continuous 2 or 3 times, once every other day; prevention, 30 to 50 days once. In the prevention of enteritis disease, a small amount of mixture can be sprayed on the green feed in the grass frame, and the effect is better.
2. Prevention and control of water mould
Overwintering fingerlings or adult fishes are often susceptible to hydromycosis due to human-induced injury. They can be cured with 30% saline for 10-15 minutes.
3, the prevention and treatment of various parasitic diseases
The parasitoid fish species were soaked with 3% salt water. All the dead worms died in 1 minute; all the worms died in 5 minutes; all the trichophae, root worm, and filariae died in 10 minutes. For fishes larger than 1 inch, the immersion time can be extended appropriately. The parasitized summer fish species were soaked with 1.7% to 2% saline for 30 minutes. All the third-generation worms and finger worms died, and all the fish fleas fell off. Bubble disease of fish species can discharge the original pool water by one-third, and then inject fresh fresh water. Then the whole pool is sprinkled with salt water at a concentration of 5-7 mg/l, which can be cured.
Jianpi Yiwei: People with weak spleen and stomach, diarrhea and fatigue, eat seven red dates every day, or share them with Dangshen and Baizhu, which can supplement Qi, strengthen spleen and stomach, increase appetite and stop diarrhea; red dates and ginger, Pinellia ternata can be used together to treat gastritis caused by inadvertent diet, such as stomach distention, vomiting and other symptoms.
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