Seafood is consumed all over the world, it
provides the world's prime source of high-quality protein: 14–16% of the
animal protein consumed worldwide; over one billion people rely on seafood as
their primary source of animal protein. The nutrients and minerals in seafood
can make improvements in brain development and reproduction and has highlighted
the role for seafood in the functions of the human body. Seafood mix has been
shown to help the symptoms of rheumatoid arthritis – a painful
condition that causes joints to swell up, reducing strength and mobility.
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Swimming Crab, Frozen Cooked Swimming Crab.
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Anti-cold wintering measures for carp and tilapia
The tilapia tilapia and the improved species, the longevity fish, and the Oini fish, are omnivorous, crude, fast, easy to grow, low in cost, and low in disease. They are the main breeds for breeding in our province. However, these fishes are tropical and subtropical. When the cold air flows south, the water temperature drops to about 12°C, and there is a danger of freezing and frostbite. Since the “winter season†has arrived and the weather has gradually cooled, it is imperative that all regions do a good job of preventing colds as soon as possible so as to protect the carp and tilapia safely during the winter. First, the best choice of fish ponds is the village side pond, entrance pond, fish ponds in the suburbs of the town and in the sugar cane forest, bamboo forest, fish pond side of the tree. These ponds generally have houses and trees on both sides of the west and north as natural barriers to block winds, so as to block the cold wave from attacking, and the change in water temperature is small, which is conducive to the wintering of the two species of fish. The area of ​​fish ponds is 2 to 3 acres, and the wind surface is small. After the fish ponds have been selected, clear the ponds to disinfect them and eliminate all pathogens, thus creating conditions for the safe passage of the two fishes. Second, the timely release of water to increase the depth of water in order to raise the temperature of fish ponds, which is the most basic work to protect two kinds of fish safe winter. According to the author's many years of investigation, where the depth of the water is more than 2.5 meters and where the trees are sheltered from the wind, they basically meet the requirements for thermal insulation. Therefore, it is imperative that all localities store the pond water as early as possible so that the water depth can reach 2.5 meters or more. For the inconvenient drainage and drainage, you can dig a “bed of fish†on the west and north sides of the fish pond to make it deep enough to meet the cold winter requirements. When the cold wave strikes, the fish in the pond are concentrated in the “fish bed†to keep warm. Third, to build a windproof and cold-proof shed For fish ponds without houses and bamboo windshields, wind and cold shelters should be built. The two kinds of sheds can be made of straw or sugar cane leaves, and each is a grasshopper of 3m and 4m in size, and then fixed on the west and north sides of the fish pond with a bamboo frame to tie the grasshoppers so as to block the invasion of cold tide. It is necessary to cover the slopes of grass ponds on the west and north waters of fish ponds. The front end is about 67 centimeters away from the water. The back end is close to the edge of the pond. Some straw should be thrown under the shed. When the cold wave strikes, both fishes will be in a mess. Warm up in the grass. However, for tilapia broodstock ponds, a semi-circular pergolas are placed on the edge of the pond with bamboo rafts or thin steel bars, covered with a film on a scaffold, and made into a cold-proof greenhouse, on a sunny day from 10 am to the afternoon. At 3 o'clock, the film should be opened in order to achieve the purpose of ventilation and light transmission to ensure that the broodstock is safe for winter. Drainage ditch digging around the wintering ponds and digging a ditch with a depth of 0.5m and a width of 0.7m is very important, because when the cold wave continues southward, it often causes rainy and cold weather, and the rainwater temperature is higher than the temperature of the pond water. Low, after digging the drainage ditch, the rainwater can be drained out of the pond to keep the water temperature in the pond stable.