The main raising of high-quality fish is high and efficient
It is a reliable way to develop the potential of pond production and increase economic efficiency. In the past three years, Qufeng, Yankoupu Town, Shaoyang County, Hunan Province has contracted 13.4 mu of fish ponds. The average annual output of fresh fish is more than 7,900 kg, and the average is 590 kg. The average net income per mu is 3420 yuan. First, scientific stocking fish species. In the aquaculture production process, he carried out three changes: a change in the spring fish species for the winter. After the sale of adult fishes in winter, they must seize the time to repair the fish ponds, and do a good job in the desilting, disinfection and plugging and slope protection of fish ponds. Second change ignored the disinfection of fish species for strict disinfection. Before the lower pool, grass carp was soaked with the grass carp hemorrhagic disease vaccine, other fish species were bathed with 3% saline solution, and fish ponds with pathogens were not permitted. Three reforms and dilute raises for proper conservation. Quantang has put in a total of 9400 large-species fish species, with an average of 700 acres. The proportions were: 31.7% of grass carp, 49.1% of carp, carp, 10.6% of carp, 8.5% of carp, and 0.1% of other carp. Second, a wide range of feed sources. Seize the high yield of adult fish, get better economic benefits, fish feed is the key. Normally processed mixed feeds are fed scientifically according to the season of fish and the growth of the fish. In winter, pond slopes and some fodder lands are planted with forage crops such as ryegrass, and Sudan grasses are planted in summer. In addition to grass, aquatic animals are also used to make up for lack of food. In addition, pig raising promotes fish. 12 pigs are stored on a permanent basis to solve the source of fertilizer. To "equip the ingredients to be even, the four seasons are often fine"; to seize the green fodder, Mo Mo relax; low-temperature manure, high-temperature chemical fertilizer; fish keep eating, hunger and mind in mind" of feeding and management methods, a reasonable solution to the fish feed . Third, meticulous management of water quality. The fish live in the water body. The quality of the water environment and the oxygen content are directly related to the growth and survival of the fish. In the first half of the year, fertilizer and water are the main products. In the hot season, water is added every three or five days. The water quality is increased by adding water to the water. The quality of the water is leanly reduced and the water quality is kept stable, which not only enhances the metabolism of the fish, but also promotes the rapid growth of the fish. Usually pay attention to the improvement of water quality, using 30 kg of lime per acre per month, diverting water Quanchiposa, in particular, insisted on hanging in the vicinity of the food center hanging Pharmacy disinfection. Fourth, timely arrest and listing. Feeding and fertilizing, changes in water quality, temperature increase, pond fish weight gain, increased activity, and increased oxygen consumption, the capacity for a fully loaded fish pond is limited. Improper management not only restricts the growth of fish, but also the risk of dead fish in the pond. Starting from July, more than 750 grams of oysters and squid were listed and listed. In September, more than 1 kilogram of squid began to be listed, which reduced the number of fish in storage and reduced the pressure on the fish pond. In the first half of this year, the polyculture of fish and filter-feeding fish began to gradually increase to eating fish in the second half of the year. RP International Ltd is top Carrageenan Supplier and Manufacturer in China. Carrageenan Thickener,Food Thickener Carrageenan,Carrageenan Food Grade,Thickener Stabilizer Carrageenan RP International Ltd , http://www.rp-foodadditives.com
Carrageenans or carrageenins are a family of linear sulfated polysaccharides that are extracted from red edible seaweeds. They are widely used in the food industry, for their gelling, thickening, and stabilizing properties. Their main application is in dairy and meat products, due to their strong binding to food proteins. There are three main varieties of carrageenan, which differ in their degree of sulphation. Kappa-carrageenan has one sulphate group per disaccharide, Iota-carrageenan has two, and Lambda-carrageenan has three.
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