Goldfish's cheeks are red and swollen, and it is difficult to breathe. If you don't touch them, you can't swim. How to solve it?

First, master the environmental factors: (1) Water temperature: Goldfish is a cold-blooded animal, and the rise and fall of water temperature directly affects its metabolism. When the water temperature is lower than 10℃, the heartbeat will be accelerated, breathing will be slowed down, food intake will be greatly reduced, growth will stop, and people will go into hibernation. Above 30℃, the food intake decreases and the growth is slow. The optimum temperature is 22-24℃. When changing water bodies, the temperature difference should not exceed 4℃ for big fish and 2℃ for small fish to adapt. (2) Oxygen: The suitable oxygen content for goldfish is 5? 5 mg of water, if it drops to 1 mg, will suffocate. (Natural water generally contains 8-12mg of oxygen per liter. (3) Illumination: The temperature and length of illumination are related to the gonad secretion of goldfish. Goldfish spawn in spring at 25℃ light 10 hour, but don't spawn at night, but when the light exceeds 17, they will grow abnormally. So goldfish should have a bright and dark environment. (4) pH: Does goldfish need PH7? 5—7? The slightly alkaline environment of 8 is unfavorable to the growth of goldfish because of its acidity, and it is easy to breed germs. (5) Water quality: River water contains a variety of organic matter, and dissolved oxygen is beneficial to fish farming, but seriously polluted river water must be tested before it can be used. Well water and spring water contain more mineral salts, but less oxygen, so they can be brought into rolling contact with air at low temperature to increase dissolved oxygen. There is chlorine in tap water, and fish can only be raised after chlorine volatilizes. You can expose yourself to the sun for 8 hours in summer and let it stand for 2-3 days in winter. If you need it urgently, you can add 26 per cubic meter of water. Seven grams of baking soda can raise fish in two minutes. Dew and running water are very beneficial to the growth of goldfish. Second, feed: goldfish is omnivorous fish, the best food is fish worms, as well as earthworms, copepods, water worms, snails, pig liver, pig blood and so on. Plants include wheat flour, wheat bran, rice bran, tofu, spinach, duckweed, popcorn, dried bread crumbs and so on. In recent years, granular expanded feed has been widely used, which can float on the water for a long time without affecting the water quality. General feed contains 35% juvenile fish, 30% adult fish and 30-60% carbohydrates needed by protein. Feeding should be regular, quantitative and qualitative, and they should not be too full, so as not to change their body shape and affect their appearance. . The newly bought fish can't be fed on the first day, so they need to rest and can be fed on the second day. 3. Feeding of young and adult fish: check the water quality frequently in summer and change the water once every two days, especially after 7-8 am and 4-5 pm on sunny days. In winter, change water at noon and sunny days, usually once a month. Usually one-third to one-half of the bottom sewage can be pumped up, and then fresh water can be added. You can't throw too much material, because goldfish have no stomach and are digested by intestines, which are full of indigestion patients. Management is divided into five stages. That is: (1) From beginning of spring to the vernal equinox (from early February to early April), at this time, the physical strength of goldfish is extremely weak and can't stand setbacks. If there is continuous rainy weather or sudden drop in temperature, it will have a great impact on goldfish. It is necessary to try to mix old water with new water and expose fish to the sun more to help regulate vitality and eliminate germs. (2) From Qingming to summer solstice (from early April to the end of June), it is the most complicated and difficult time to raise goldfish, that is, when the weather in Huangmei is hot and cold, sunny and rainy, rainy and rainy, and the sunshine is insufficient. Therefore, we should attach great importance to the prevention and treatment of fish diseases. (3) From midsummer to hot summer (July-August), attention should be paid to anti-riot heat when treating water, reed mats should be added in hot summer, and the water temperature should be strictly controlled not to exceed 32℃. It is advisable to be 80% full, avoid overeating, especially to prevent tail burning and pay attention to the digestion of fish. (4) From Bailu to beginning of winter (from early September to 165438+ 10), which is the golden age of goldfish development and the key moment of rapid culture. At this time, the appetite is strong, and most people try to feed it. (5) It snowed heavily in early spring (from early February of 65438 to early February of the following year). At this time, the climate is cold, so it is necessary to do a good job of cold protection and warmth, so as to prevent snowflakes from falling into the water and causing fish to freeze and bleed. At this time, goldfish grow slowest, which is the best breeding season. Keep healthy and lay a good foundation for breeding in the next spring. Because the metabolic function is slow in winter, try to touch and grasp as little as possible to prevent scales from falling off and it is difficult to restore growth. Second, water quality treatment: if it is tap water, it should be put outdoors for one day, and the temperature of fresh water should be basically the same as that of pool water. Generally, the water in fish ponds should be changed once a day and washed once after draining, but don't brush all the green algae on the walls, leave half of them and inject new water. Third, reasonable feeding: mainly grasp the "four decisions", that is, timing: feeding once every morning at 9: 00; Positioning: generally cast in the middle of the fish pond; Qualitative judgment: insist on feeding natural bait, such as red worms; Quantitative: subject to eating clean until noon. In addition, we must master the principle of more investment in cool weather, less investment in hot weather and no investment in rainy days. 4. Prevention and treatment of fish diseases: Trichlorfon powder is used for goldfish lice, and the ratio is one gram per ton (1 m3) of water, which is sprinkled all over the pond. Goldfish suffer from bacterial gill rot, and 3 grams of furoxime is used per ton of water; Suffering from parasitic gill rot, 0? 5g of copper sulfate and 0.2g of ferrous sulfate; Suffering from white spot disease, that is, melon disease, use 0. 1 g mercuric acid per ton of water; Suffering from water mold, use dihalogen per ton of water. Drug control alone is not enough, so we should pay attention to observation at ordinary times. Observation should be carried out day and night, and water quality and goldfish floating head should be observed before dawn; Measure the water temperature of fish ponds around noon, and pay attention to heatstroke prevention and cooling. Observe the goldfish feces when cleaning, and the feces are white, and reduce the amount of bait the next day. Pay attention to whether the goldfish floats before and after going to bed. If there are a few floating heads, continue to observe at midnight. If the number of floating heads increases, new water must be injected or changed immediately. When individual goldfish are found to be sick, they should be fished out in time and put into an isolation pool for isolation without any negligence.