Huanghua high yield technical points
Huanghua high yield technical points
Source: China Agricultural Science and Technology Information Network
In recent years, the wild resources of Huanghua have dried up, causing the market to be in short supply. At present, artificial rearing is mostly in the stage of temporary raising and intensive breeding. The economic efficiency is very unstable. In order to obtain high yield and high efficiency, I have summarized the main points of the high yield technology of Huanghuan as follows:
I. Construction in Dianchi Lake
Choose a place with sufficient water source, convenient drainage and irrigation, no water pollution, and sheltered from the sun. Dianchi Lake preferably has an elliptical or chamfered rectangle. Each pool is preferably 15-30 m2. The bottom of the pool is made of brick or stone mortar. Cement joints, the pool wall top made of "T" type, the new pool is built and soaked in water for a week, after adding 30-40cm of soil. Before the seedlings were released, they were disinfected with 0.2 kg of lime per square meter. The water depth was 20-30 cm, and the water peanuts were laid to cover 20% of the surface. Water peanuts were disinfected when they entered the pool, and then rinsed with water.
Second, the source and stocking
Mainly from the market acquisition, requiring no disease or injury, activities are normal, basically the same type of seed, before stocking further screening, with a large container dubbed 3% salt water, into the quail species, swimming normal As a culture object, those who jump out of the basin or do not move will be eliminated. Water temperature during stocking should exceed 15°C. It should not be too early. Generally, 2 to 3 kilograms per square ration should be raised. 25 to 35 tails per kilogram should be used as appropriate. Polyculture should not be used for different specifications, and the stocking loach should be kept in the pond. The ratio is: 3:1, it has the effect of increasing oxygen and decontamination.
Third, daily management
The domestication of the quail species into the pool should be carried out to ensure its fixed, timed, qualitative, quantitative, scientific feeding, the general daily feeding amount is 6-10% of the carp body weight, or 4-6% of the compound feed (2 days Once), the daily feed rate increases as the temperature rises. Due to the large amount of feed, the water quality is easily deteriorated. Generally, the water is changed once a week below 20°C, and once a day during high temperature, the water is changed once. The timely fishing for bait, sewage, and timely water injection increase the water level, not exceeding 30cm. When the water should pay attention to the temperature difference can not exceed 5 °C, when the reference to the use of river water outside the sieve filter to prevent the invasion of enemy pests, add water no more than 1/4 of the original pool of water, to do a good job in shading work, avoid direct sunlight , In addition to this must also pay attention to anti-theft, anti-theft? Blue mirror take? o: p>
Fourth, disease prevention
Due to the high yield, the corresponding increase in density, more diseases, we must pay attention to observation, so that the principle of "premature treatment with disease, prevention without disease". Anti-bacterial drugs are regularly spilled during disease prevention. Usually, half a month is used to splash the whole cell with 0.1ppm bleaching powder. Regular antibiotics are added to the bait to increase resistance. When parasites are found, they are fed with dipex or bait. . Disease control is particularly important in aquaculture. As long as scientific feeding management is carried out, economic benefits will surely increase significantly.
In short, the aphid culture should have a sense of advanced urgency, a scientific feeding system, and good management measures to ensure high yield and high efficiency.
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