The current problem of aquaculture diseases has become a major factor constraining the development of the aquaculture industry. In order to prevent and treat diseases, the use of antibiotics has increased, and the use of antibiotics has not only produced resistance to the bacteria, but also caused certain harm to humans. The shrimp products are of small specifications and have poor meat quality, failing to meet the export requirements and failing to achieve high yield and high efficiency. In addition, due to the significant decline in the quality of seedlings, it also seriously affected the development of the aquaculture industry.
On the one hand, in the traditional culture mode, the use of large quantities of drugs has resulted in more and more harmful substances in water bodies, seriously affecting the self-purification capacity of water bodies and destroying the ecological balance of the culture environment. On the other hand, due to the high density of culture, Feeding quantity is large, while water intake and drainage are limited. Breeding to 80 days or so will increase residual bait and feces. This can easily lead to deterioration of water quality. Ammonia nitrogen and nitrite in the water body are excessively exceeded, and the oxygen content of the bottom water is insufficient, and it is easy to cause Outbreak of other diseases. Therefore, the establishment of a green pollution-free ecological aquaculture mode of shrimp is the main goal of our fishery workers, and with the advent of “granular oxygenâ€, we have taken a step toward this goal.
"Granules and Oxygen" is a non-toxic, non-pollution and non-polluting "three-nothing" environment-friendly product that is characterized by safety, reliability, and environmental protection. In addition to the use of antibacterial drugs and chemical drugs traditionally used in aquaculture to a certain extent, it can also eliminate the toxic side effects and drug residues caused by the use of these drugs. The main components of “granular oxygen†are: sodium percarbonate, slow-release cosolvent, stabilizer, synergist, and it has the following characteristics compared with powder and water oxygenating agent:
Product Features Powder type oxygenation agent has good oxygenation effect on the upper layer of water, and it has a short duration of oxygen release.
The water-type oxygenation agent has good oxygenation effect on the upper layer water, and the continuous oxygen release time is short and the operation is inconvenient.
The particulate oxygenation agent has good oxygenation effect to the bottom water, can continuously release oxygen for a long time, and is easy to operate and directly sprinkled.
Oxygen in the process of shrimp aquaculture from the traditional breeding mode to the healthy and ecological pollution-free farming model advances, specifically elaborated as follows:
Application examples of particle oxygen in the healthy breeding of shrimp. Case 1: Chen Bo, Donghe Village, Lingshan Town, Hainan, aquaculture area of ​​6 mu, species of white shrimp, water depth of 2.4m. There was no central sewage, and it had been stocked for 75 days. The water color was mixed, the transparency was small, the algae died a lot (the algal phase deteriorated), the foam was excessive, and the foul smell of the sewage discharged from the outlet was severe. The grain oxygen was used at 10:00 pm on the same day. The amount of water used for the discharge before the next morning was almost odorless, and the material at 10:30 in the evening was obviously eaten faster than usual, and the shrimp thrown by the throwing net was quite good!
The reason is as follows: Because the particles of oxygen are larger, they can sink directly into the bottom of the pond, increase the amount of dissolved oxygen in the bottom water of the pond, and create a good living environment for the shrimp. Therefore, the speed of its intake is significantly faster than usual; The small bubbles released after the pellet oxygen reacts with the water at the bottom of the pond have a certain aeration effect. The harmful gases at the bottom of the pond are taken away. The oxygen released from the initial ecology also has a certain degree of oxidation to oxidize the organic matter at the bottom of the pond. The water discharged the next day is not smelly. Due to the improved environment at the bottom of the pond, the feed intake of the shrimp is also significantly faster (the use of other chemicals can be avoided).
Case 2: Boss Wang, Dongying District, Lingshan Town, Hainan, aquaculture area of ​​9 acres, at the bottom of the earthen pond, there is no central sewage, cultured species of white shrimp, the density of 100,000 tail / mu, water depth of 1.4m. After the rain, the water became turbid, the transparency was small, and the amount of suspended matter was high. It was found that the shrimp had jaundice after two days of rain. Granules and oxygen with succinate improver (Jiaweijingjing) used twice, once every afternoon, after the third day of use, jaundice almost disappeared, after the use of particulate oxygen, the use of microbes to adjust the water the next day, fifth day yellow As the ripple disappears, the water becomes refreshing.
The reason for the analysis is as follows: Because it is easy to cause changes in water color on the one hand because of the rain, on the other hand, because the density of rainwater and pool water is not the same, it easily causes the convection of the upper and lower layers of water, while the convection effect of the water brings organic matter from the bottom of the pool into the water. Under the aeration of the aerator, the water becomes turbid, not refreshing. Because there are many suspended organic substances in the water, the oxygen consumption of the organic matter causes the oxygen content in the water body to decrease, and the breathing frequency of the shrimp is accelerated, thus causing Shrimp scutellariae, and the use of sediment modifier can be suspended in the water of organic matter adsorbed to the bottom of the pond, when the bottom of the pond is often due to increased organic content caused by the underlying anoxic, and the use of oxygen can solve the bottom of the pool Underlying hypoxia caused by too much organic matter. In addition, the use of heterotrophic microorganisms solves the short-term hypoxic state of water due to the use of microorganisms.
Case 3: Chen Bo, Lingshan Town, Hainan, aquaculture area of ​​6.5 mu, water depth of 2.5m, cultured species of Penaeus vannamei, stocking density of 150,000/mu, stocking for 78 days, dark brown water, low transparency, foam In the morning, add 20cm of new water and use heterotrophic microbiological preparations to divert water. At 2 o'clock in the afternoon, the shrimp in the whole pond is deprived of oxygen and floats, and oxygen and oxygen (powder oxygenizer) and zeolite powder are sprayed together. Inject new water. After two hours, shrimps all sink to the bottom.
The reason is as follows: Because of the use of heterotrophic microbial preparations, microorganisms in the pond under various physical and chemical factors are suitable for the propagation speed is very fast, and its high-speed reproduction can easily lead to the lack of oxygen in the water, if we Only the first-aid type oxygenation agent is not effective, because it does not dissolve in the bottom of the pond when it is sprinkled in water. In a pond with a water depth of more than 1.5m, we should preferably use the oxygen in order to completely solve the entire body of water. The amount of oxygen, and the oxygen in the pellet just solved the problem of insufficient oxygen at the bottom.
Case 4: Boss Yang, No. 2 pond in Hainan, Tajikistan, aquaculture area of ​​5 mu, water depth of 1.8m, cultured species of Penaeus vannamei, density of 130,000 fish/mu, stocking for 100 days, dark green water, low transparency, suspension Many things. Receiving the shrimp, in the process of draining and collecting shrimp, without using any oxygenating agent, only two impeller-type aerators were started. When the shrimp was harvested, it was found that there was one hundred kilos of dead shrimp at the bottom, and most of the dead shrimps were muscles. White, body bent. After a few days, No. 1 pond also received shrimp. The water quality was similar to that of No. 2 pond. We used granular oxygen at our suggestion. We used it once every one and a half hours. As a result, no shrimp with white muscle was found on the bottom. shrimp.
The reason is as follows: Because in the whole process of shrimp collection. As a result of artificial fishing and stirring, it is easy to stir up the bottom of the organic matter, the entire body of water becomes turbulent, it also destroys the biofilm between the mud and the water, resulting in a large number of toxic gases such as hydrogen sulfide, ammonia nitrogen, etc., and stirred up. Decomposition of organic matter in turn requires oxygen consumption. This can easily lead to the death of anoxic poisoning of shrimp. However, the use of pelleted oxygen ponds increases the amount of dissolved oxygen in the water and suppresses the production of hydrogen sulfide and ammonia nitrogen, and also reduces hydrogen sulfide, ammonia nitrogen, etc. Toxicity of toxic gases to shrimp. From the two ponds of Yang Bo’s boss, we can clearly see the effect of using granular oxygen during shrimp collection.
Case 5: Zhang Bo, Nantou Village, Lingshan Town, Hainan Province, aquaculture area 4 mu. The pool is round, with cement, sandy bottom, water depth of 2m, density of 150,000/mu, stocking for 95 days, dark green color, the pond Ammonia nitrogen, nitrite content exceeded, there are deaths at the end of the phenomenon, about five or six pounds per day, the temperature is high, when the sun is strong, more dead shrimp. Before the use of particulate oxygen, water change agents were also used, but the effect was not obvious. After three days of continuous use of granular oxygen, once a day, with the adjustment of the direction of the aerator, the number of dead shrimp was significantly reduced. Sometimes not even.
The reason for this is as follows: Because in the middle to late stage of breeding, the density increases, the feed is large and the pollution is large. According to the situation of the pond, it is known that the middle of the pond is likely to cause a water layer because the middle water hardly forms the convection of the upper water and the lower water. In high temperature and sunny weather, it is easy to cause a thermocline in the water body and oxygen in the lower water. The residual baits and excrement in the pond are concentrated almost in the middle under the effect of the water circulation, if the thermocline is produced. Then, if the underlying water is deficient in oxygen, then the area will produce a large amount of toxic substances in the absence of oxygen. Due to the high density of shrimp ponds, there are shrimps at every location in the shrimp ponds. When shrimps swim to the middle water layer, they are stimulated by the temperature difference of the thermocline. If the ability is not good, it will cramp and fall to the bottom of the pool. At the bottom of the pool, there will be oxygen deficiency and a large amount of toxic substances. The shrimp will suffocate poisoning and die at the bottom, and the granular oxygen just solves the dissolved oxygen environment at the bottom of the pond and inhibits harmful substances. The production of improved bottom material and increased dissolved oxygen.
Case 6: Boss of Hainan Qukouliang, aquaculture area of ​​8 acres, cultured species of Penaeus vannamei, density of 150,000/mu, stocking for 100 days, the pool aquaculture to mid-later period in thunderstorms and high temperature hot weather or sudden changes in weather Under normal circumstances, the oxygen is often thrown away to prevent the lack of oxygen in the water body.
The reason is as follows: Because in the thunderstorm, or sudden changes in the weather, the air pressure is reduced, the amount of dissolved oxygen in the pond is often insufficient, and in the middle and later stages of shrimp aquaculture, the density is high, and the oxygen consumption is also large, if the water body is not correspondingly increased Dissolved oxygen then causes unnecessary losses. In the event of an oxygen deficiency in the water, the resistance of aquatic animals declines, providing opportunities for the invasion of other pathogens.
In summary, the oxygen in the shrimp and shrimp health ecological pollution-free breeding model can effectively overcome the drug residues caused by excessive use of traditional chemical drugs, drug stimulation of aquaculture animals and the destruction of the micro-ecological environment of shrimp ponds. . It can improve the difficulties faced by the traditional farming model, move towards a healthy and ecologically harmless model, improve the quality of shrimp products out of the pond and the survival rate, reduce the cost of medication, and achieve good returns of high yield and good harvest.
Summarizing the above cases, the particle oxygen has the following features (functions):
1. Oxygen, aeration, deodorization, can increase feed intake, promote food intake. 2. The bottom layer increases oxygen and improves the bottom culture environment. 3. With other microorganisms or drugs have good adjuvant and therapeutic effects. 4. Use this product in the shrimp collection process to increase the survival rate and reduce losses. 5. Can solve the common phenomenon of death at the end of death (cradle death caused by cramps). 6. When used in low-pressure conditions, the shrimp water body is deprived of oxygen. 7. Easy to use and transport.
On the one hand, in the traditional culture mode, the use of large quantities of drugs has resulted in more and more harmful substances in water bodies, seriously affecting the self-purification capacity of water bodies and destroying the ecological balance of the culture environment. On the other hand, due to the high density of culture, Feeding quantity is large, while water intake and drainage are limited. Breeding to 80 days or so will increase residual bait and feces. This can easily lead to deterioration of water quality. Ammonia nitrogen and nitrite in the water body are excessively exceeded, and the oxygen content of the bottom water is insufficient, and it is easy to cause Outbreak of other diseases. Therefore, the establishment of a green pollution-free ecological aquaculture mode of shrimp is the main goal of our fishery workers, and with the advent of “granular oxygenâ€, we have taken a step toward this goal.
"Granules and Oxygen" is a non-toxic, non-pollution and non-polluting "three-nothing" environment-friendly product that is characterized by safety, reliability, and environmental protection. In addition to the use of antibacterial drugs and chemical drugs traditionally used in aquaculture to a certain extent, it can also eliminate the toxic side effects and drug residues caused by the use of these drugs. The main components of “granular oxygen†are: sodium percarbonate, slow-release cosolvent, stabilizer, synergist, and it has the following characteristics compared with powder and water oxygenating agent:
Product Features Powder type oxygenation agent has good oxygenation effect on the upper layer of water, and it has a short duration of oxygen release.
The water-type oxygenation agent has good oxygenation effect on the upper layer water, and the continuous oxygen release time is short and the operation is inconvenient.
The particulate oxygenation agent has good oxygenation effect to the bottom water, can continuously release oxygen for a long time, and is easy to operate and directly sprinkled.
Oxygen in the process of shrimp aquaculture from the traditional breeding mode to the healthy and ecological pollution-free farming model advances, specifically elaborated as follows:
Application examples of particle oxygen in the healthy breeding of shrimp. Case 1: Chen Bo, Donghe Village, Lingshan Town, Hainan, aquaculture area of ​​6 mu, species of white shrimp, water depth of 2.4m. There was no central sewage, and it had been stocked for 75 days. The water color was mixed, the transparency was small, the algae died a lot (the algal phase deteriorated), the foam was excessive, and the foul smell of the sewage discharged from the outlet was severe. The grain oxygen was used at 10:00 pm on the same day. The amount of water used for the discharge before the next morning was almost odorless, and the material at 10:30 in the evening was obviously eaten faster than usual, and the shrimp thrown by the throwing net was quite good!
The reason is as follows: Because the particles of oxygen are larger, they can sink directly into the bottom of the pond, increase the amount of dissolved oxygen in the bottom water of the pond, and create a good living environment for the shrimp. Therefore, the speed of its intake is significantly faster than usual; The small bubbles released after the pellet oxygen reacts with the water at the bottom of the pond have a certain aeration effect. The harmful gases at the bottom of the pond are taken away. The oxygen released from the initial ecology also has a certain degree of oxidation to oxidize the organic matter at the bottom of the pond. The water discharged the next day is not smelly. Due to the improved environment at the bottom of the pond, the feed intake of the shrimp is also significantly faster (the use of other chemicals can be avoided).
Case 2: Boss Wang, Dongying District, Lingshan Town, Hainan, aquaculture area of ​​9 acres, at the bottom of the earthen pond, there is no central sewage, cultured species of white shrimp, the density of 100,000 tail / mu, water depth of 1.4m. After the rain, the water became turbid, the transparency was small, and the amount of suspended matter was high. It was found that the shrimp had jaundice after two days of rain. Granules and oxygen with succinate improver (Jiaweijingjing) used twice, once every afternoon, after the third day of use, jaundice almost disappeared, after the use of particulate oxygen, the use of microbes to adjust the water the next day, fifth day yellow As the ripple disappears, the water becomes refreshing.
The reason for the analysis is as follows: Because it is easy to cause changes in water color on the one hand because of the rain, on the other hand, because the density of rainwater and pool water is not the same, it easily causes the convection of the upper and lower layers of water, while the convection effect of the water brings organic matter from the bottom of the pool into the water. Under the aeration of the aerator, the water becomes turbid, not refreshing. Because there are many suspended organic substances in the water, the oxygen consumption of the organic matter causes the oxygen content in the water body to decrease, and the breathing frequency of the shrimp is accelerated, thus causing Shrimp scutellariae, and the use of sediment modifier can be suspended in the water of organic matter adsorbed to the bottom of the pond, when the bottom of the pond is often due to increased organic content caused by the underlying anoxic, and the use of oxygen can solve the bottom of the pool Underlying hypoxia caused by too much organic matter. In addition, the use of heterotrophic microorganisms solves the short-term hypoxic state of water due to the use of microorganisms.
Case 3: Chen Bo, Lingshan Town, Hainan, aquaculture area of ​​6.5 mu, water depth of 2.5m, cultured species of Penaeus vannamei, stocking density of 150,000/mu, stocking for 78 days, dark brown water, low transparency, foam In the morning, add 20cm of new water and use heterotrophic microbiological preparations to divert water. At 2 o'clock in the afternoon, the shrimp in the whole pond is deprived of oxygen and floats, and oxygen and oxygen (powder oxygenizer) and zeolite powder are sprayed together. Inject new water. After two hours, shrimps all sink to the bottom.
The reason is as follows: Because of the use of heterotrophic microbial preparations, microorganisms in the pond under various physical and chemical factors are suitable for the propagation speed is very fast, and its high-speed reproduction can easily lead to the lack of oxygen in the water, if we Only the first-aid type oxygenation agent is not effective, because it does not dissolve in the bottom of the pond when it is sprinkled in water. In a pond with a water depth of more than 1.5m, we should preferably use the oxygen in order to completely solve the entire body of water. The amount of oxygen, and the oxygen in the pellet just solved the problem of insufficient oxygen at the bottom.
Case 4: Boss Yang, No. 2 pond in Hainan, Tajikistan, aquaculture area of ​​5 mu, water depth of 1.8m, cultured species of Penaeus vannamei, density of 130,000 fish/mu, stocking for 100 days, dark green water, low transparency, suspension Many things. Receiving the shrimp, in the process of draining and collecting shrimp, without using any oxygenating agent, only two impeller-type aerators were started. When the shrimp was harvested, it was found that there was one hundred kilos of dead shrimp at the bottom, and most of the dead shrimps were muscles. White, body bent. After a few days, No. 1 pond also received shrimp. The water quality was similar to that of No. 2 pond. We used granular oxygen at our suggestion. We used it once every one and a half hours. As a result, no shrimp with white muscle was found on the bottom. shrimp.
The reason is as follows: Because in the whole process of shrimp collection. As a result of artificial fishing and stirring, it is easy to stir up the bottom of the organic matter, the entire body of water becomes turbulent, it also destroys the biofilm between the mud and the water, resulting in a large number of toxic gases such as hydrogen sulfide, ammonia nitrogen, etc., and stirred up. Decomposition of organic matter in turn requires oxygen consumption. This can easily lead to the death of anoxic poisoning of shrimp. However, the use of pelleted oxygen ponds increases the amount of dissolved oxygen in the water and suppresses the production of hydrogen sulfide and ammonia nitrogen, and also reduces hydrogen sulfide, ammonia nitrogen, etc. Toxicity of toxic gases to shrimp. From the two ponds of Yang Bo’s boss, we can clearly see the effect of using granular oxygen during shrimp collection.
Case 5: Zhang Bo, Nantou Village, Lingshan Town, Hainan Province, aquaculture area 4 mu. The pool is round, with cement, sandy bottom, water depth of 2m, density of 150,000/mu, stocking for 95 days, dark green color, the pond Ammonia nitrogen, nitrite content exceeded, there are deaths at the end of the phenomenon, about five or six pounds per day, the temperature is high, when the sun is strong, more dead shrimp. Before the use of particulate oxygen, water change agents were also used, but the effect was not obvious. After three days of continuous use of granular oxygen, once a day, with the adjustment of the direction of the aerator, the number of dead shrimp was significantly reduced. Sometimes not even.
The reason for this is as follows: Because in the middle to late stage of breeding, the density increases, the feed is large and the pollution is large. According to the situation of the pond, it is known that the middle of the pond is likely to cause a water layer because the middle water hardly forms the convection of the upper water and the lower water. In high temperature and sunny weather, it is easy to cause a thermocline in the water body and oxygen in the lower water. The residual baits and excrement in the pond are concentrated almost in the middle under the effect of the water circulation, if the thermocline is produced. Then, if the underlying water is deficient in oxygen, then the area will produce a large amount of toxic substances in the absence of oxygen. Due to the high density of shrimp ponds, there are shrimps at every location in the shrimp ponds. When shrimps swim to the middle water layer, they are stimulated by the temperature difference of the thermocline. If the ability is not good, it will cramp and fall to the bottom of the pool. At the bottom of the pool, there will be oxygen deficiency and a large amount of toxic substances. The shrimp will suffocate poisoning and die at the bottom, and the granular oxygen just solves the dissolved oxygen environment at the bottom of the pond and inhibits harmful substances. The production of improved bottom material and increased dissolved oxygen.
Case 6: Boss of Hainan Qukouliang, aquaculture area of ​​8 acres, cultured species of Penaeus vannamei, density of 150,000/mu, stocking for 100 days, the pool aquaculture to mid-later period in thunderstorms and high temperature hot weather or sudden changes in weather Under normal circumstances, the oxygen is often thrown away to prevent the lack of oxygen in the water body.
The reason is as follows: Because in the thunderstorm, or sudden changes in the weather, the air pressure is reduced, the amount of dissolved oxygen in the pond is often insufficient, and in the middle and later stages of shrimp aquaculture, the density is high, and the oxygen consumption is also large, if the water body is not correspondingly increased Dissolved oxygen then causes unnecessary losses. In the event of an oxygen deficiency in the water, the resistance of aquatic animals declines, providing opportunities for the invasion of other pathogens.
In summary, the oxygen in the shrimp and shrimp health ecological pollution-free breeding model can effectively overcome the drug residues caused by excessive use of traditional chemical drugs, drug stimulation of aquaculture animals and the destruction of the micro-ecological environment of shrimp ponds. . It can improve the difficulties faced by the traditional farming model, move towards a healthy and ecologically harmless model, improve the quality of shrimp products out of the pond and the survival rate, reduce the cost of medication, and achieve good returns of high yield and good harvest.
Summarizing the above cases, the particle oxygen has the following features (functions):
1. Oxygen, aeration, deodorization, can increase feed intake, promote food intake. 2. The bottom layer increases oxygen and improves the bottom culture environment. 3. With other microorganisms or drugs have good adjuvant and therapeutic effects. 4. Use this product in the shrimp collection process to increase the survival rate and reduce losses. 5. Can solve the common phenomenon of death at the end of death (cradle death caused by cramps). 6. When used in low-pressure conditions, the shrimp water body is deprived of oxygen. 7. Easy to use and transport.
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