CATDOLL : CATDOLL: How many days can fry live during transportation? Attached precautions

How many days can the fry live during transportation? Attached precautions

Fry can live for 2-3 days during transportation. When transporting fry, a detailed plan for transporting fish should be made. Second, it is necessary to choose suitable water for transporting fish. Third, the fry should stop eating and exercise with a net in time to eliminate the feces in the fry. Practice has shown that it is more suitable to transport fry when the water temperature is 15℃-20℃. If it is transported in summer, ice cubes can be added to the plastic bag to cool it down, which has a good effect. The density of fry transportation should be considered in combination with the local climate conditions, water temperature, transportation time, and the species and specifications of the fry.

1. How many days can the fry survive during transportation?

1. The fry can live for 2-3 days during transportation. When transporting fry, you must first make a detailed fish transportation plan, second, choose suitable water for transporting fish, third, the fry must stop eating and exercise by pulling the net in time, so that the feces in the fry can be discharged cleanly, the metabolic rate of the fry can be reduced, and the feces can be avoided from being discharged into the transport container to pollute the water quality, and fourth, the appropriate transportation method must be selected.

2. Practice has shown that it is more appropriate to transport fry at a water temperature of 15-20°C. When transporting in summer, ice cubes can be added to the plastic bag to cool it down, which has a very good effect. Avoid transporting fry during the hot season, such as during the noon when the sun is strong, during rainy weather, and in the early morning when there is a high risk of severe hypoxia and floating.

3. The density of fry transportation must be combined with local climate conditions, water temperature, transportation time, fry species, specifications and other factors. When transported in plastic bags with oxygen, the fry bag size is 70×40cm, and the water temperature is 20-25°C. Each bag can carry 80,000-100,000 fry, and 1,200-1,500 summer fry; or 600-800 fingerlings at 5-7°C, and 300-500 fingerlings at 7-8°C, which can ensure a survival rate of about 90% within 24 hours.

2. Precautions for fish fry transportation

1. The action of loading the fry should be quick to minimize the damage to the fish and fry.

(1) First, you must select a plastic bag without leaks and then fill it with an appropriate amount of water.

(2) Generally speaking, each bag should be filled with about 1/4 of water, as long as the fry can swim freely in the bag.

(3) Secondly, put the fry into the bag according to the calculated amount of fish, then deflate the plastic bag, expel all the air from the bag, and then slowly fill it with oxygen.

(4) Finally, be sure to tie the mouth of the plastic bag tightly, put the bags into a paper box or foam box, and then place them in a cool place.

2. Suitable transportation conditions can improve the survival rate of fry

(1) Some experts say that the best water temperature for transporting fish fry is 15-20°C.

(2) The water temperature is relatively high during transportation in summer, so ice cubes can be added to the outside of the plastic bag to cool it down.

(3) At the same time, in order to prevent the fry from getting sick during transportation, 2-3 grams of salt can be added to each bag of fry in the transport bag.

3. During long-distance transportation, the transporter must always observe the dynamics of the fry

(1) If you find that the fry are exposed in groups, it means that the fry are already in a state of hypoxia and need to be oxygenated and replaced in time.

(2) If it is found that there is too much excrement in the bag, the transporter must replace the water in the bag in time. It is recommended to replace it once every 5-8 hours.

What do grass carp and carp like to eat?

Question 1: What do carps like to eat the most? What do grass carps like to eat the most? Carps are bottom-dwelling omnivorous fish that eat both meat and vegetables. They have a wide range of baits, well-developed snout bones, and often dig mud to feed. Carps are also low-level cold-blooded animals, whose body temperature changes with the water temperature. They do not need to consume energy to maintain a constant body temperature, so the total amount of bait they need to eat is not large. At the same time, carps, like most freshwater fish, are stomachless fish, and their intestines are thin and short, and their metabolism is fast, so their feeding habits are to eat less and eat more frequently. The digestive function of carps is closely related to water temperature, and their feeding is very seasonal. In winter (especially under ice), they are basically in a semi-dormant state of not eating, and their body fat is consumed all winter. As soon as spring arrives, they are eager to eat high-protein food to supplement it. In late autumn, when winter is approaching, there will also be a peak period of "catching food" in order to accumulate fat, and high-protein bait is also the main bait. Therefore, in early spring. When fishing for carp in late autumn, animal baits such as earthworms and river shrimps should be the main bait. After spring, as the temperature rises, fish eat more food, and the quality of bait is no longer important, but the quantity becomes the first priority. Therefore, during a long period of late spring, the entire summer, and early autumn, carp mainly eat vegetarian food. When fishing at this time, you should use flour bait, fermented food, etc.

Question 2: What do carp, crucian carp, grass carp like to eat? Carp is omnivorous: It likes to eat corn, which tastes slightly sweet.

Grass carp eats grass by the pond and live insects. You don't need to bring bait when fishing for grass carp, just prepare it at the pond.

Crucian carp is omnivorous: It is hard to say what it likes. It likes fragrant, sweet, fishy and other flavors. It likes living baits such as bloodworms, earthworms, maggots, etc.

Vegetarian section:

1. Steam sweet potatoes and potatoes in a pot until they are 70% to 80% cooked. This is used for fishing crucian carp, carp and grass carp.

2. Fry the broad beans until half cooked, remove the shells and grind into powder, add 35% flour, mainly for fishing crucian carp

3. Add 10% flour to corn flour, mix with boiling water, steam it, and it is suitable for hand-held fishing rods. When fishing, add some wine and fried soybean powder. It is mainly used to catch crucian carp, carp and grass carp.

4. Sesame oil noodle bait, a small amount of sesame oil, honey, MSG, and milk powder in appropriate amounts. Carp, crucian carp, and bream love it.

5. Cooked corn and corn cakes are mainly used for fishing carp and grass carp.

6. Use green grass to catch grass carp.

7. Use rice grains to catch crucian carp and carp.

8. Broad bean powder is mainly used for fishing crucian carp.

9. Add 60% corn flour, 20% glutinous rice flour, and 20% flour to water and steam until 80% cooked. After cooling, add soybean oil and MSG. This is mainly used for fishing crucian carp.

10. Sweet potato mixed flour, 50% steamed sweet potato, 20% corn flour, 30% fish meal, mainly for fishing carp.

Meat bait part:

1. Live silkworms, bean worms and mosquito larvae are used as bait, mainly for catching crucian carp and grass carp.

2. Earthworm bait is a universal bait. my country has discovered as many as 560 species of earthworms. It is appropriate to use smelly earthworms (i.e. green earthworms) for fishing fish without phosphorus, which are mainly used to catch sticky fish and turtles. Red earthworms are suitable for fishing fish with phosphorus, which are mainly used to catch carp, grass carp and crucian carp.

3. Maggot bait, mainly used to catch crucian carp and small miscellaneous fish.

4. Red worms are mainly used to catch crucian carp and carp.

Question 3: What baits do crucian carp, carp and grass carp eat respectively? Carp and crucian carp are bottom fish in the water, while grass carp is a middle-layer fish. In fact, the baits they eat are all grains. Grass carp prefers to eat fresh grass, so when matching baits, you should match them with more grain baits on which they depend for survival, such as pure grains. Musk bottom nests and other bottom nesting materials can account for 50% of the bait. At the same time, it is best to match them with sweet baits, such as milk-flavored crucian carp and sweet potato carp, which account for 30% of the bait. In summer, you should also add some slightly fishy baits such as Huashi Wushuang or Antarctic shrimp powder, which account for 10% of the bait. In late autumn or early spring, add more fishy baits. Finally, add state baits such as snowflake powder and light bran. , accounting for 10% of the total. This is the bait for fishing carp, grass carp and crucian carp in one day. When matching for crucian carp, you should choose small fiber granular bait. Now, in addition to bait, additives are the most important for fishing carp. Attracting fish also depends on additives. Because the flavor of the bait itself in the water is not very penetrating, small medicines can improve the flavor of the bait, increase the penetration of the bait in the water, and attract fish better. Remember that sweet fragrance is always the eternal flavor for fishing carp. Try Yipinyuan's King's Temptation and Black Pit Mighty. I have always used it with good results. Add more in the nest and scatter the nest. As long as there are fish around, you can obviously see the fish coming in about fifteen minutes. Then cast the rod frequently and tease more, you can have a good harvest. I hope the answer is helpful to you].

Question 4: What does grass carp like to eat? Grass carp mainly eats aquatic plants~~~ =====================The grass bait for fishing grass carp should change with the seasons. Because the seasons are different, the bait cannot remain unchanged. It should also be determined according to the environment around the fishing ground. In spring, you can use Laogui, Kuaigong Very Crucian Carp Series, Shuizhifeng and other commercial baits or homemade flour baits with commercial baits, alfalfa, reed tender core, lettuce leaves; in summer, you can use small cabbage, bitter leaves, loofah flowers, pumpkin flowers and other non-fibrous plants; in autumn, floating fishing should be based on insect baits, and grasshoppers, oil gourds, oil thieves, locusts, moths and other insects should be used as baits, which will be significantly better than grass baits. Note: The bait for floating fishing should be based on plant baits. Second, find the location where grass carp live in the water. Third, grass carp is one of the least timid of all fish. Do not wear brightly colored clothes when float fishing. The angler's position should be against the light to avoid reflecting your shadow or the shadow of the rod on the fishing spot. Also, be careful not to speak loudly.

Question 5: What kind of bait do grass carp like to eat? 1. Common fishing methods

1. "Man looking for fish" fishing method. It means no nesting, no fixed fishing spot, just casting two rods here and there. It is only suitable for fish ponds that are just starting to fish.

In this fishing method, the sinker is about 20 cm away from the hook, and the float is about 30 cm away from the sinker. If the fish floats, the sinker should be close to the hook and the float should be about 20 cm away from the sinker. If you encounter a deep fish pond with low temperature, there are three types of fish in the water, large, medium and small. Depending on the depth of the water, you can fish at a depth of 0.5 to 2 meters. Most of the fish caught at this depth are large grass carp.

2. Fishing with floating grass. When fishing in a pond where people often fish, the fish will be very clever and will hide far away or deep as long as there is any movement. This requires the use of floating grass to attract fish. The method is to pull some fresh green grass, scatter it above the downwind, and let it drift on the water surface with the wind. At this time, hang the grass bait on the hand pole and cast it on the floating grass. As long as the fish comes to eat the grass, they will generally eat the bait first.

3. Fishing method of using grass to make nests at the bottom. In fish ponds where people often fish, fish will sink to the bottom as soon as there is any movement. At this time, you should use long grass with mud or long grass tied with mud and stones and sink it into the water at the fishing point. Generally, 2 to 3 nests are enough. After making the nests, pay attention to observe the movement. Once bubbles appear in the grass nest or broken grass floats to the surface, it means that the fish has entered the nest to eat grass. At this time, you can hang grass bait to fish. But the float should be placed deep, and it is best to let the grass bait fall on the tip of the grass in the bottom nest. It should be noted that after the fish is hooked, it should be led away from the nest immediately to avoid scaring away the fish in the nest. Change the nest after fishing 1 to 2 fish in each nest, and take turns fishing. In this way, you will have a surprise harvest.

4. Use pasta to make a nest. Grass carp generally eats grass, but they also like to eat other pasta. When making a nest, use egg-sized dough balls (granular materials are also acceptable) and spread them in an area of ​​about one square meter. Spread two nests (one near, one far, one deep, and one shallow), and take turns to set the hook. Pinch the bait into the size of a broad bean and hang it on the hook. It is best not to use a sinker when fishing with this method, because the weight of the bait replaces the sinker. Put the float deep, let it lie horizontally on the water surface, and when the float stands up and sinks, lift the rod to catch the fish.

2. Floating fishing in midsummer

Floating fishing in midsummer is divided into two types: floating fishing and semi-floating fishing.

1. Floating fishing. In the morning and evening, the weather is cool. The pond owner usually spreads grass for feeding in the morning and evening, so grass carps swim from deep water to the shore to eat grass. At this time, set the fishhook about 10 cm from the water surface, hang 1-2 tender grass hearts, and throw it near the floating grass in the water (if the pond owner does not spread grass, you should spread grass to make a nest yourself). When the float sinks, floats or is dragged sideways, lift the rod in time.

2. Semi-floating fishing. Around noon, when the sun is blazing and the temperature is rising, most grass carps swim back to the deep water to "cool off". At this time, semi-floating fishing should be used. First, use the bottom fishing method to measure the water depth of the fishing spot (as far away from the shore as possible so that you can see the float clearly), then pull out a handful of tender grass and tie it with a rope, tie a stone on the other end, and throw it into the fishing spot. When fish bubbles appear, you can hang the grass and fish.

3. String hook fishing method

When fishing for grass carp with a string hook and using the floating fishing method, you can install more hooks. This can extend the span of the fishing group in the water, which is helpful for grass carp to find the target. If you put reeds on the hooks, you don't have to worry about other fish biting the bait and scattering it.

When using a string hook to sink to the bottom to fish for grass carp, the assembly design is different. We know that within 50 cm from the bottom of the water is the best water layer for grass carp to feed. Fishing in this water layer can be called "bottom fishing and floating fishing", that is, fishing close to the bottom of the water. Therefore, when assembling the bottom fishing string hook for fishing grass carp, try to make the string hook have both hooks that sink to the bottom of the water and those that float in the water, so as to try to make the string hook have the effect of both bottom fishing and floating fishing.

Techniques to kill grass carp

The bait for attracting fish is to steam the wheat a day in advance, or scald it several times with boiling water, and peel the wheat. The first time, use wheat mixed with honey, tied tightly with a plastic bag. The second time, soak the wheat in wine [the longer the soaking time, the better] and spread it a little bigger when spreading the nest the next day. The bait is mostly tender corn, preferably white corn that can squeeze out juice.

Next, pellet feed and earthworms are also acceptable. Grass carp are strong, so it is best to use a larger line. I use a No. 3 Red Wolf line and a No. 6 Ise-Yo hook. When there is a floating signal, you must immediately verticalize the rod to make use of the rod's flexibility, otherwise the line will be short or the rod will be broken. Grass carp usually has three impulses after taking the hook. You can fight it with force or follow it. It depends on your mood and the strength of the rod. When you start to play the fish, don't rush to use the scoop net to avoid the fish being frightened and breaking the fishing line. When the fish comes out of the water and turns white, you must be quick-eyed and quick-handed. It's not enough to scoop up the fish. When putting it into the fish guard, it is best to pull the fish guard out of the water and put it on the shore.

Chop the water spinach and pumpkin, add a small amount of water and boil, then add the bran, wheat germ and corn flour, roll it, seal and ferment for half a day. (For use the next day)

Use...>>

Question 6: What do grass carp and carp like to eat? The fastest way to buy food is to spend money. I suggest you cut a lot of grass at dusk and throw it into the fish pond. Grass carp will swim to the surface of the water in groups to eat food when it gets dark. When they see grass, they will pull it into the water little by little and eat it. The grass will be eaten up the next day. But you have to use the right amount. Carp can be fed with snails, and grass carp can also be fed with snails.

Question 7: What do grass carps like to eat? Grass carps are often used as the main breeding objects in ponds and lakes, reservoirs, and rivers because of their simple diet, wide sources of bait, rapid growth, and high yield. Since the success of artificial induction of spawning and fertilization and hatching technology in 1958, the sources of fry and fish species are easy to obtain, and they have become the main breeding objects in my country. Grass carps are also used by fishermen to be released outside for one or two years to open up wasteland and weed because they can remove grass in the water and along the coast. Grass carps are called "pioneers" because they can quickly remove various types of grass in the water. At the end of the Tang Dynasty in Guangdong, there were records of building ridges on wasteland, irrigating with rainwater, and releasing grass carps for one or two years to remove weeds and mature the fields. Grass carps are often mixed with silver carp and bighead carp. Grass carps are fed with green grass, and the feed left in the water and the waste discharged by grass carps are used to cultivate plankton as feed for silver carp and bighead carp.

Grass carp is widely distributed in the plains from Guangdong to the northeast of my country, except Xinjiang and the Qinghai-Tibet Plateau. Since the successful artificial induction of fertilization and hatching in 1958, it has been transplanted to many countries in Asia, Europe, America and Africa.

Grass carp (Ctenopharyngodon idellus) belongs to the genus Ctenopharyngodon, subfamily Leucophideae, family Cyprinidae, order Cypriniformes. Common names for grass carp include: grass carp, oily grass carp, grass carp, white grass carp, grass carp, grass root (northeastern), mixed fish, black herring, etc. English name: Grass carp.

The only species of the genus Grass Carp in the subfamily Leucophaga of the family Cyprinidae in the order Cypriniformes. Also known as white carp, grass root fish, and thick fish. The body is slightly cylindrical, with a slightly flat head and a laterally flattened tail; the mouth is arc-shaped and has no whiskers; the upper jaw is slightly longer than the lower jaw; the body is light tea yellow, the back is blue-gray, the abdomen is grayish white, the pectoral and pelvic fins are slightly grayish yellow, and the other fins are light gray (see picture). It is a fish endemic to the plains from Guangxi to Heilongjiang in eastern China.

It inhabits rivers and lakes in plain areas, and generally prefers to live in the middle and lower layers of water and near the shore with abundant aquatic plants. It is lively, swims quickly, and often forages in groups. It is a typical herbivorous fish. It hibernates in the main stream or deep water of lakes. Parent fish have the habit of upstream migration during the reproductive season. It has been transplanted to many countries in Asia, Europe, America, and Africa. Because of its rapid growth and wide source of feed, it is one of the four major freshwater fishes in China.

Among the important freshwater economic fishes in my country, the most famous ones are the world-famous "four major carps", such as grass carp (Ctenopharyngodon idellus), black carp (Mylopharyngodon piceus), silver carp (Hypophthalmictuthys molitrix), and bighead carp (Aristichthys nobilis). Although they are all endemic to my country, grass carp is regarded as a pioneer and transplanted to all parts of the world for its unique feeding habits and foraging methods. Its body is relatively long, slightly cylindrical, and its abdomen has no ridges. Its head is flat and its tail is laterally flattened. Its mouth is terminal, arc-shaped, and has no whiskers. There are two rows of hypopharyngeal teeth, which are laterally flattened and comb-shaped, with transverse grooves on the sides of the teeth. There are no hard spines on the dorsal and anal fins, and the dorsal and pelvic fins are opposite. Its body is tea yellow, its back is blue-gray with a slight grass green, and its even fins are slightly yellow.

Question 8: What kind of bait do crucian carp, carp and grass carp eat? Crucian carp: Take an appropriate amount of fresh broad bean flour, add water from the fishing area, stir and knead evenly. This bait has a natural bean smell, which is very attractive to crucian carp. It is easy to use and carry, and the effect is quite good in natural waters with aquatic plants.

Grass carp: Grass carp usually likes to stay at the bottom to forage, eat vegetarian bait, and occasionally eat earthworms, cabbage worms, etc. Vegetarian baits generally include: pasta, corn kernels, mulberries, tender grass leaves, etc. In summary, except for silver carp and bighead carp, all fish have a common feature: the bait must be fragrant, but on the basis of fragrance, fishy fragrance, fresh fragrance, fermented fragrance, and medicinal fragrance should be used for different target fish. In general, as long as you know what fish you want to catch, you can buy commercial baits specializing in this fish, such as Antarctic shrimp powder and silkworm powder for carp. For crucian carp, there are: Blue Crucian Carp No. 2, Crucian Carp Essence, September 18th, etc. At present, most anglers generally use millet or broken rice soaked in Qu wine as bait when fishing crucian carp. The effect is very good, it is simple to make and easy to take, and it is also available in various fish tackle stores. You can also use Chinese medicine cloves and galangal soaked in wine and spray it on the bait. The bait generally uses earthworms, pasta, etc. to fish at the bottom. It is recommended that you make your own bait according to your environment and conditions, which is economical and convenient.

Carp: Cheap ones can use tender corn kernels, better ones can use commercial baits such as Yipin Carp, Tianxia Carp, and Crazy Carp, and the best is Marukyu's Huangshi Wushuang

Question 9: What do grass carps like to eat? Grass carps mainly eat water plants~~~ ======================The grass bait for fishing grass carps should change with the seasons. Because the seasons are different, the bait cannot remain unchanged. At the same time, it should also be determined according to the environment around the fishing ground. In spring, you can use Laogui, Kuaigong Very Crucian Carp, Fishing Self-made series, Shuizhifeng and other commercial baits or homemade flour baits with commercial baits, alfalfa, reed tender core, lettuce leaves; in summer, you can use small cabbage, bitter leaves, loofah flowers, pumpkin flowers and other non-fibrous plants; in autumn, floating fishing should be based on insect baits, and grasshoppers, oil gourds, oil thieves, locusts, moths and other insects should be selected as baits, which will be significantly better than grass baits. It should be noted that the bait for floating fishing should be based on plant baits. Second, find the location where grass carps live in the water. Third, grass carp is one of the least timid of all fish. Do not wear brightly colored clothes when float fishing. The angler's position should be against the light to avoid reflecting your shadow or the shadow of the rod on the fishing spot. Also, be careful not to speak loudly.

Question 10: What does grass carp like to eat? What does grass carp eat? It grows fast. Grass carp is named for its herbivorous nature, commonly known as grass stick. Grass carp has a docile nature and diverse eating habits. In addition to eating tender grass, it also eats live shrimps, live earthworms, and all kinds of fragrant pasta and pickled food. Because grass carp has the habit of eating grass, it mostly lives in the middle and lower layers of water. It likes to live in flooded shallow grasslands, flooded areas, and lakes and rivers overgrown with algae to meet its food needs.

Grass carp generally eats horizontal stem and leaf herbaceous plants, high-nutrition grass: (in order of nutrition) Pennisetum, alfalfa, ryegrass, king bamboo grass, Sudan grass, corn grass, etc.

Grass carp is better!

For the breeding of summer flower fish, you can refer to:

How to raise summer fish fry

1. Soy milk feeding method

When feeding fish fry with soybean milk, yellow soybean milk is of the best quality. Part of it is eaten by the fish fry, and the other part becomes fertilizer for cultivating plankton. Generally, soybean milk is fed to the fish fry a few hours after they are put into the pond. When making pulp, first soak the soybean until the gap between the two petals is full, and gently pinch the petals to loosen them. Do not soak until they germinate. In the water temperature range of 24-30℃, generally 6-7 hours is enough. The degree is appropriate, more pulp is produced, the quality is good, the suspension time in water is long, the fish have more feeding opportunities, and the utilization rate is high. When grinding, water and beans are added together, and the pulp is made at one time. No more water is added, otherwise it is easy to precipitate and the fish feeding time is short. Generally, 1 kg of soybean can make 18-20 kg of slurry. When feeding, the slurry should be evenly sprinkled in a mist form. Feed 4 times a day at the beginning, 2 times in the morning and afternoon. Within 10 days after the fry are put into the pond, feed 1.5-3 kg of soybean slurry per mu of water surface every day. After 10 days, reduce the feeding amount as appropriate according to the water quality and the growth of the fish, and add some cake powder. Generally, 5 to 7 kg of soybeans are needed to raise 10,000 summer flower fish fingerlings.

2. Straw pulp cultivation method

High-yield aquatic plants such as water hyacinth and water peanut are beaten into fine-grained grass pulp with a high-speed beater to cultivate fish fry. This is one of the ways to solve the problem of insufficient feed and fertilizer for fish farming, and this method can reduce production costs. After the grass pulp enters the pond, some leaf flesh cells and debris are directly ingested, and most of them continue to decompose in the water, playing a role in fertilizing the water. 3% of salt should be added during the beating. When feeding, the whole pond should be sprinkled twice a day, with a dosage of 50-80 kg per mu. Generally, every 120-200 kg of grass pulp can cultivate 10,000 summer flower fish, that is, every 10-15 kg of grass pulp is equivalent to the feeding effect of 0.5 kg of soybeans.

3. Manure feeding method

Commonly used manure fertilizers include human feces and urine, livestock and poultry manure, etc. Generally, basal fertilizer is applied 4-7 days before the fry are put into the pond. 300-500 kg of cattle or human feces and urine are applied per mu of water surface to cultivate natural bait organisms in the water for the fry to eat. After the fry are put into the pond, the amount of topdressing should be determined according to the water quality, fertility, weather, water temperature and the growth of the fry. Generally, topdressing is applied once every 2-3 days, and 100-200 kg of human feces or livestock feces are applied per mu each time. After adding water to dissolve, it is sprinkled all over the pond. After 3-6 days after the fry are put into the pond, if the fry floats in the early morning and returns to normal after sunrise, it means that the water in the pond is moderate. If it still floats after sunrise on a sunny day, it means that the water quality is too fertile and the amount of topdressing should be stopped or reduced; if the water color is light, the amount of topdressing should be increased to keep the water quality yellow-brown or yellow-green, and the transparency is between 25-30 cm.

4. Cake and flour feeding method

Grind bean cake, vegetable cake, peanut cake, cotton cake and other cakes into dry powder to feed fish. Sprinkle the dry powder evenly on the water surface. With the help of the surface tension of the water, the dry powder floats in the pond water longer than soybean milk, and its utilization rate is higher than soybean milk. In use, 4-7 days before the fry are put into the pond, 80-100 kg of cake fertilizer per mu of water surface is used as base fertilizer to cultivate natural bait organisms in the water. Within the first 10 days after the fry are put into the pond, add an appropriate amount of water to the cake powder, make it into a slurry and sprinkle it all over the pond. After that, you can directly feed the cake powder, feed 3-4 times a day, and the daily dosage per mu of water surface is 1.5-2 kg.