1. As a fish disinfectant (1) crab seedlings before soaking with 3% - 5% salt water soak for 5 - 8 minutes, can inhibit the killing of crab body bacteria. (2) The broodstock of the goldfish can be killed by washing with 3% - 4% saline for 5 minutes before returning to the pool. Before wintering and after wintering, goldfish can be soaked in 3%-4% saline for 3 to 5 minutes to prevent goldfish skin and axillary diseases. (3) Newly hatched juveniles only weighed 3--5g, and were sterilized with 2% - 3% saline for 10 - 15 minutes to kill pathogenic bacteria and increase the survival rate of juveniles. (4) Fork-tail squid under the species cage when soaking the fish body with 4% salt solution for 3 to 5 minutes, can prevent saprophytic disease, small melon worm disease, gill rot disease. (5) The salmon of California has very few diseases. If the fish species is stocked, the 1%-2% saline solution bath will work well. (6) Soak the turtle with 2.5% salt solution for 15 - 20 minutes to prevent "perforation" of the turtle. (7) The fish should be disinfected before entering the wintering pond to prevent the spread of fish disease during wintering. Commonly used drugs are salt, chlorine dioxide, potassium permanganate, ferrous sulfate and copper sulfate mixture. The most common method is to immerse the fish in 5% salt water for 5 to 10 minutes to prevent certain diseases. When fish species are released in the spring, they can be washed for 3 to 10 minutes in a 3% saline solution to kill most of the harmful bacteria and parasites on the fish. They are used to prevent gill disease, trichoderma, and skin molds. Disease, vertical scale disease, etc. have a certain effect. Injuries to the fish's body surface can prevent or reduce the degree of wound infection and enhance the fish's disease resistance. 2. The water body is disinfected with 5 - 6kg of salt per acre (1m depth), dissolved in the whole pool after being dissolved with appropriate amount of water, and it can prevent grass carp white beak mouth disease, other fish species with water mildew, and can suppress the majority of parasites. It can reduce the incidence of fish and shrimp diseases. For the prevention of fungal diseases of aquatic animals in freshwater aquaculture of small water bodies, salt and baking soda mixture can be used. The concentration is 400--500ppm. The whole pool is sprinkled all over, and once every 3 to 4 days, potassium permanganate 2ppm and 4ppm salt are used. Spilled. 3. Treatment of Diseases (1) Saprolegniasis of Astragalus: Dilute fish in a 3% to 5% saline solution for 3 to 5 minutes. The treatment is more than 95% efficient. (2) Red-legged leg disease of Thai tiger frog: The diseased frog's anti-limb was swollen and swollen, with poor spirits, low feeding, blood spots and blood spots on the frog's abdomen and legs, and frog movement dysfunction. Therapeutic methods can be used to soak frogs for 3 minutes and soak for 15 minutes. The cure rate is above 95%. (3) Freshwater fish suffering from acute fungal disease: 3% - 4% of salt and 3000 - 40000IU/Lq-mycin potassium mixture dipped for 10 - 15 minutes; if accompanied by external parasites such as anchor head lice With 20ppm furazolidone, 25ppm potassium permanganate, 2% salt mixture dipped 25--30 minutes once a day, used three times. Oxygen must be added when the dipping density is high. For the prevention and treatment of fungal disease of cage fish, 50 g of calamus and 1OO g of Artemisia annua are used per cage of m2, and marinated in 20% saline for 5 hours. Four calamus of calamus and Artemisia are bundled in a cage. The four corners have a very high preventive and therapeutic effect on fungal diseases of fish in the box. (4) Crocodylus crocodile: Use a 3% salt solution for 15 minutes for good results. 4. Anti-fish ponds with 5kg of salt and 5kg of yellow mud per acre can be mixed with water to make a paste. When the fish appears flooded ponds or when flooding ponds are beginning to appear, the whole pool is evenly sprinkled to prevent flooding or reduce flooding. . 5. Artificially elicited production of sub-algae with salted fish. Dissolve the salt in distilled water and prepare 0.65% of fish's normal saline solution for broiler production. 6. When the winter temperature of tilapia is required to be above 18°C ​​for normal over-wintering of special fish, and tilapia is salted with 1%--1.5% saline in the wintering pond, tilapia remains at 11°C. It can be safely wintered.
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