â— Aquatic products with relatively shallow water levels that meet the market specifications should be picked up and listed on the market in a timely manner, and those that fail to be harvested immediately should be transferred in time to prevent losses from cold and cold.
â— In the case of reduced feed intake of shrimp, farmers need to improve the feed nutrition of shrimp, such as mixing more vitamins and other nutrients, and enhance shrimp resistance.
â— Spill some glucose, multidimensional, is conducive to the stability of water quality and improve shrimp immunity.
The reporter found that the recent cold wave continued to hit, but at present it has little impact on aquaculture in the city, and there have been no major aquaculture diseases and a large number of deaths. The city’s fishery department believes that each of the main reasons is related to the early mobilization of breeding households in various parts of the city to prevent the cold, increase the amount of warming and heating facilities and equipment, and improve the prevention capabilities. However, the fishery sector also reminded townships and farmers that they should not take light measures against the possible low-temperature cold wave. They should effectively improve their awareness of prevention and ensure safe winterization.
â– Winter shelters have been set up before the winter cold It is understood that the city's winter breeding of 41,000 acres of white shrimp, 3,000 acres of Macrobrachium Roche, water fish seedlings 1200 acres, 1000 acres of bamboo fish. Before entering into the winter, the city has been doing a good job of intensive cultivation of fry, fingerlings, broodstock and adult fish to enhance fish health and prevent cold attacks in winter. At the same time, a winter shed has been established.
Before the onset of the current cold wave, the fishery department required all townships to provide early maintenance facilities, promptly build the insulation and antifreeze facilities of the farm, reinforce the overwintering shed, and inspect the covered plastic film; ponds should be filled with fresh water, water level should be raised, and reinforcement ponds should be installed. Base, increase insulation capacity, can introduce geothermal water or factory waste water; river cage cage culture area should sink the cage as far as possible; shallow water ponds to achieve market specifications of aquatic products should be promptly caught and listed, failed to The harvest should be transferred in time to prevent losses from cold and cold.
At the same time, it is necessary to scientifically feed high-quality foods, increase nutrition such as protein and fat, check the situation of leftover baits according to changes in temperature, and timely and appropriate feeding so as to avoid deterioration of water quality due to excess leftovers. During cold wave attacks, try to avoid fishing and listing. In addition, deal with frozen pond fish in time.
■There is also a winter shed that cannot be taken lightly. This cold wave lasted nearly a week, and there were many rainy days. Even if there were greenhouses, the water temperature dropped quickly. For example, in Banfu Town Hengyi Aquaculture Farm, 150 acres of shrimp are cultivated for winter and shrimp grows to 6 cm. Compared with the cold wave period before, the temperature of the current winter shed shrimp ponds has dropped by nearly 8°C, only 18°C ​​to 19°C. At this temperature, the food intake of prawn is greatly reduced and the long speed is also slowed down. “Before the cold wave, it is fed three times a day. Now it is reduced to two times a day, and the amount of feed is also reduced by half.†Fisheries technicians said that reducing food intake in shrimp. Under the circumstances, farmers need to improve the feed nutrition of shrimp, such as mixing more vitamins and other nutrients to enhance the shrimp's resistance.
The fishery sector requires all townships to have sufficient scientific estimates of the risk of possible cryogenic freezing and raise awareness of prevention. We must do a good job in the monitoring of the diseases and diseases of wintering parents and nursery species in the original fine-breeding farms and large-scale seedling farms, strengthen the technical guidance for disease prevention, strengthen the work guidance on cold prevention in key breeding areas and key cultured species, and vigorously promote technologies to prevent low-temperature freezing disasters. A variety of effective methods to ensure safe winter fish and shrimp.
â– The weather is picking up Do not rush to feed materials Liu Yue, a fishery pharmacy technician at Liusha Village in Hengsha Town, believes that recently, farmers should also pay attention to stabilizing water quality and maintaining good algae. Farmers often use fertilizers to topically maintain the algae phase, but due to fewer sunny days, the effect of this method is not obvious. He suggested sprinkling some glucose, multidimensional, in addition to help stabilize water quality, but also improve shrimp immunity, neutralize harmful substances in the water body.
Fisheries and technical personnel reminded everyone that after the cold weather has warmed up, some farmers are eager to open aerators to feed their feed, hoping to make the shrimp grow faster. This is not appropriate. As the cold wave lasts for a long time, the temperature of the pond's water surface is lower than the bottom of the pond. When the weather warms up immediately, the aerator will be opened and the cold water on the water surface will quickly enter the bottom of the pond. The shrimp that have not been fed for a long time will easily die due to stress. Farmers should not be impatient, should wait a day or two, pay attention to monitor the water temperature and water quality, in the meantime, splash more anti-stress products, and wait until the temperature difference between the bottom and the surface of the water is not enough.
â— In the case of reduced feed intake of shrimp, farmers need to improve the feed nutrition of shrimp, such as mixing more vitamins and other nutrients, and enhance shrimp resistance.
â— Spill some glucose, multidimensional, is conducive to the stability of water quality and improve shrimp immunity.
The reporter found that the recent cold wave continued to hit, but at present it has little impact on aquaculture in the city, and there have been no major aquaculture diseases and a large number of deaths. The city’s fishery department believes that each of the main reasons is related to the early mobilization of breeding households in various parts of the city to prevent the cold, increase the amount of warming and heating facilities and equipment, and improve the prevention capabilities. However, the fishery sector also reminded townships and farmers that they should not take light measures against the possible low-temperature cold wave. They should effectively improve their awareness of prevention and ensure safe winterization.
â– Winter shelters have been set up before the winter cold It is understood that the city's winter breeding of 41,000 acres of white shrimp, 3,000 acres of Macrobrachium Roche, water fish seedlings 1200 acres, 1000 acres of bamboo fish. Before entering into the winter, the city has been doing a good job of intensive cultivation of fry, fingerlings, broodstock and adult fish to enhance fish health and prevent cold attacks in winter. At the same time, a winter shed has been established.
Before the onset of the current cold wave, the fishery department required all townships to provide early maintenance facilities, promptly build the insulation and antifreeze facilities of the farm, reinforce the overwintering shed, and inspect the covered plastic film; ponds should be filled with fresh water, water level should be raised, and reinforcement ponds should be installed. Base, increase insulation capacity, can introduce geothermal water or factory waste water; river cage cage culture area should sink the cage as far as possible; shallow water ponds to achieve market specifications of aquatic products should be promptly caught and listed, failed to The harvest should be transferred in time to prevent losses from cold and cold.
At the same time, it is necessary to scientifically feed high-quality foods, increase nutrition such as protein and fat, check the situation of leftover baits according to changes in temperature, and timely and appropriate feeding so as to avoid deterioration of water quality due to excess leftovers. During cold wave attacks, try to avoid fishing and listing. In addition, deal with frozen pond fish in time.
■There is also a winter shed that cannot be taken lightly. This cold wave lasted nearly a week, and there were many rainy days. Even if there were greenhouses, the water temperature dropped quickly. For example, in Banfu Town Hengyi Aquaculture Farm, 150 acres of shrimp are cultivated for winter and shrimp grows to 6 cm. Compared with the cold wave period before, the temperature of the current winter shed shrimp ponds has dropped by nearly 8°C, only 18°C ​​to 19°C. At this temperature, the food intake of prawn is greatly reduced and the long speed is also slowed down. “Before the cold wave, it is fed three times a day. Now it is reduced to two times a day, and the amount of feed is also reduced by half.†Fisheries technicians said that reducing food intake in shrimp. Under the circumstances, farmers need to improve the feed nutrition of shrimp, such as mixing more vitamins and other nutrients to enhance the shrimp's resistance.
The fishery sector requires all townships to have sufficient scientific estimates of the risk of possible cryogenic freezing and raise awareness of prevention. We must do a good job in the monitoring of the diseases and diseases of wintering parents and nursery species in the original fine-breeding farms and large-scale seedling farms, strengthen the technical guidance for disease prevention, strengthen the work guidance on cold prevention in key breeding areas and key cultured species, and vigorously promote technologies to prevent low-temperature freezing disasters. A variety of effective methods to ensure safe winter fish and shrimp.
â– The weather is picking up Do not rush to feed materials Liu Yue, a fishery pharmacy technician at Liusha Village in Hengsha Town, believes that recently, farmers should also pay attention to stabilizing water quality and maintaining good algae. Farmers often use fertilizers to topically maintain the algae phase, but due to fewer sunny days, the effect of this method is not obvious. He suggested sprinkling some glucose, multidimensional, in addition to help stabilize water quality, but also improve shrimp immunity, neutralize harmful substances in the water body.
Fisheries and technical personnel reminded everyone that after the cold weather has warmed up, some farmers are eager to open aerators to feed their feed, hoping to make the shrimp grow faster. This is not appropriate. As the cold wave lasts for a long time, the temperature of the pond's water surface is lower than the bottom of the pond. When the weather warms up immediately, the aerator will be opened and the cold water on the water surface will quickly enter the bottom of the pond. The shrimp that have not been fed for a long time will easily die due to stress. Farmers should not be impatient, should wait a day or two, pay attention to monitor the water temperature and water quality, in the meantime, splash more anti-stress products, and wait until the temperature difference between the bottom and the surface of the water is not enough.
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