As the saying goes: "Slight heat, great heat rise in temperature, feeding management must be serious, three-volt long fish do not miss, to increase feeding to increase the bait; August temperature is high bee, autumn, summer heat in which less fertilizer and more grass, quantity Less time and more to be cautious; Bai Lu, autumn equinox temperature drop, pay close attention to feeding less, to promote the fish body strong reminder fish, grass carp eat even longer." Therefore, grasping 7-9 of the fishery production and strengthening feed management is a major issue that affects the success or failure of fish farming throughout the year.
(a) Strengthen food management.
Agriculture and fish farmers said: "The fish grows three volts." Therefore, we must persist in looking at the sky, watching the water, and watching the fish feed flexiblely. Normal concentrate feed is fed 3-4 kilograms per 100 kilograms of fish per day. Green grass feed is fed around 50 kilograms per 100 kilograms of grass carp and carp. At the same time, stick to the ponds on a daily basis and check the fish ponds for floating heads, sick fish, and dead fish in the early morning; check fish activity and changes in food and water quality at noon; check food intake throughout the day at dusk and observe whether the fish have floating heads The harbinger. On hot nights and thunderstorms, it is necessary to step up the patrol.
(b) Strengthen water quality management.
In ponds where fish grow up, because fish stocks are stocked in large amounts, fertilizers are fed in large quantities, and organic matter in the water is relatively large, water quality is prone to deterioration. Therefore, the residual baits and debris left over from fish are picked up every day, and according to weather and fish Activities, timely new water, to prevent deterioration of water quality. Water-friendly ponds should be maintained with micro-flowing water or washed once every 10 days. For ponds lacking water sources, the average depth of water is 1 meter per mu for every 15-30 days, 15-20 kg of quicklime is piled in the waters around the pond, and 1 kg of water per acre is used for lime. Spilled to clarify the pond water. The pond where the aerator is placed should catch every sunny day and start the aerator to send the upper dissolved oxygen layer to the lower layer to reduce nighttime oxygen deficiency.
(iii) Strengthening fish species management.
In order to cultivate fish ponds, timely dip nets to divide the ponds and use the same size fishery for pond cultivation. In order to cultivate fish stocks in cages, fish cages should be used instead of summer cages, but they should be light and fast. The grass-raised fish grasses in ponds are fed with duckweed, and 70-100 kg are bred per 10,000 times per day; pupa and squid species are fed with 5-7.5 kg dry bean cakes, rapeseed cakes, etc., and ground into bait for every 10,000.
(d) Strengthen fish disease control.
Usually every half a month with 250 grams of bleaching powder dissolved in water, spilled around the food market, continuous sprinkling for three days, you can also add garlic seeds in the feed (0.5 kg per 100 kg feed), salt (100 feed per kg plus 1 Kilograms) Prevention of bacterial fish disease. After the copper sulfate and ferrous sulfate mixture was dissolved in water, the whole pool was splashed (0.5 g of copper sulfate and 0.2 g of ferrous sulfate per cubic meter of water) to prevent parasitic diseases. At the same time, we must pay attention to the prevention of gills, enteritis, red skin, whiteheads, and trichoderma. If there are too many fish ponds with green mud, you can splash copper sulfate in Quanchipi, and apply 0.7 grams per cubic meter of water. Add water to dissolve the entire pond, or sprinkle 50 kg of plant ash per acre. Sprinkle it on the blue mud moss and make the blue mud moss not visible. Sunshine and death.
(e) Water conservation.
Because of the hot weather and high temperatures, Shantang and the reservoir should conserve water and protect the fish from drought.
(6) Pay attention to the fever and mud and summer heat of the Huangqi Lake.
In the high-density culture, Astragalus often secretes many mucus. After decomposing and fermenting, it consumes oxygen in the water and generates a lot of heat. It can even increase the water temperature to 40°C-50°C. Difficult and dry, entangled with each other, causing death. Control method: replace fresh water. If the water source is difficult at one time, add 7% of the copper sulfate solution in each cubic meter pool to 50 ml. This will have a certain effect on the prevention of fever in the fish pond. When the water temperature exceeds 30 °C, the mud shall be drilled. Into the mud, in which fresh water is often poured to increase the oxygen in the water and regulate the temperature of the water.
(a) Strengthen food management.
Agriculture and fish farmers said: "The fish grows three volts." Therefore, we must persist in looking at the sky, watching the water, and watching the fish feed flexiblely. Normal concentrate feed is fed 3-4 kilograms per 100 kilograms of fish per day. Green grass feed is fed around 50 kilograms per 100 kilograms of grass carp and carp. At the same time, stick to the ponds on a daily basis and check the fish ponds for floating heads, sick fish, and dead fish in the early morning; check fish activity and changes in food and water quality at noon; check food intake throughout the day at dusk and observe whether the fish have floating heads The harbinger. On hot nights and thunderstorms, it is necessary to step up the patrol.
(b) Strengthen water quality management.
In ponds where fish grow up, because fish stocks are stocked in large amounts, fertilizers are fed in large quantities, and organic matter in the water is relatively large, water quality is prone to deterioration. Therefore, the residual baits and debris left over from fish are picked up every day, and according to weather and fish Activities, timely new water, to prevent deterioration of water quality. Water-friendly ponds should be maintained with micro-flowing water or washed once every 10 days. For ponds lacking water sources, the average depth of water is 1 meter per mu for every 15-30 days, 15-20 kg of quicklime is piled in the waters around the pond, and 1 kg of water per acre is used for lime. Spilled to clarify the pond water. The pond where the aerator is placed should catch every sunny day and start the aerator to send the upper dissolved oxygen layer to the lower layer to reduce nighttime oxygen deficiency.
(iii) Strengthening fish species management.
In order to cultivate fish ponds, timely dip nets to divide the ponds and use the same size fishery for pond cultivation. In order to cultivate fish stocks in cages, fish cages should be used instead of summer cages, but they should be light and fast. The grass-raised fish grasses in ponds are fed with duckweed, and 70-100 kg are bred per 10,000 times per day; pupa and squid species are fed with 5-7.5 kg dry bean cakes, rapeseed cakes, etc., and ground into bait for every 10,000.
(d) Strengthen fish disease control.
Usually every half a month with 250 grams of bleaching powder dissolved in water, spilled around the food market, continuous sprinkling for three days, you can also add garlic seeds in the feed (0.5 kg per 100 kg feed), salt (100 feed per kg plus 1 Kilograms) Prevention of bacterial fish disease. After the copper sulfate and ferrous sulfate mixture was dissolved in water, the whole pool was splashed (0.5 g of copper sulfate and 0.2 g of ferrous sulfate per cubic meter of water) to prevent parasitic diseases. At the same time, we must pay attention to the prevention of gills, enteritis, red skin, whiteheads, and trichoderma. If there are too many fish ponds with green mud, you can splash copper sulfate in Quanchipi, and apply 0.7 grams per cubic meter of water. Add water to dissolve the entire pond, or sprinkle 50 kg of plant ash per acre. Sprinkle it on the blue mud moss and make the blue mud moss not visible. Sunshine and death.
(e) Water conservation.
Because of the hot weather and high temperatures, Shantang and the reservoir should conserve water and protect the fish from drought.
(6) Pay attention to the fever and mud and summer heat of the Huangqi Lake.
In the high-density culture, Astragalus often secretes many mucus. After decomposing and fermenting, it consumes oxygen in the water and generates a lot of heat. It can even increase the water temperature to 40°C-50°C. Difficult and dry, entangled with each other, causing death. Control method: replace fresh water. If the water source is difficult at one time, add 7% of the copper sulfate solution in each cubic meter pool to 50 ml. This will have a certain effect on the prevention of fever in the fish pond. When the water temperature exceeds 30 °C, the mud shall be drilled. Into the mud, in which fresh water is often poured to increase the oxygen in the water and regulate the temperature of the water.
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