Fish grows faster and healthier

Wall hole protection against cold damage through the installation of cold wind walls, shelter holes to prevent cold damage. The specific method is to build a windshield with a height of 2 meters or more with straw or mud on the north side of the fish culture pond, and to form a slanting-shaped earth wall on both sides of the east and west sides to reduce the north wind. A drainage ditch should be built around the pond to prevent the pool of stagnant water from flowing into the pool and reduce the pool water temperature. The wall of the north wind wall can be excavated from the bottom 40 centimeters from the bottom of the pool to 2 to 2 meters in diameter and 0.8 meters in diameter. The wall of the cave can be bricked or buried with ceramic tubes. When the cold wave strikes, fish can hide in the shelter to avoid cold. .

Greenhouses to prevent cold In the setting of wind walls, cold holes on the basis of the construction of plastic film cold-proof greenhouses better. The method is to use a bamboo or wood material on the pond to build a “human” shaped roof along the edge of the pond. The distance from the ground to the roof is about 2.5 meters. Cover the plastic film with two layers and connect it with the poolside to form a sealed cover. Earth seals the film. Winter pond area is generally 40 to 100 square meters, water depth is more than 2 meters, cement pool, earthen pond can be, stocking density can be determined with the water temperature, water quality and water volume, generally every cubic meter of water can be placed 15 to 25 broodstock, or 10 cm 300 species of the following species.

Oxygen-enhancement and cold-resistance If the surface of the river is too thick and the water under the ice is deprived of oxygen, it can cause the fish to suffocate and die. At this time, it is necessary to immediately sweep snow, break ice, change water in time, start aeration machinery, and regularly use microbial preparations to improve water quality.

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Organic erythritol is produced through multiple hydrolysis and fermentation of corn starch. It is a natural sweetener. Erythritol is usually white particles or powder.

The sweetness of erythritol is only 60%-70% of that of sucrose. It has a refreshing taste, pure taste, and no bitterness. It can be used in combination with high-power sweeteners to suppress the bad flavor of high-power sweeteners.

Erythritol is different from traditional sugar. It is very stable to acid and heat and has high acid and alkali resistance. It will not decompose and change below 200 degrees, and will not change color due to the Maillard reaction. Erythritol has an endothermic effect when dissolved in water, and the heat of dissolution is only 97.4KJ/KG, which is higher than glucose and sorbitol, and has a cooling sensation when eaten.

It does not participate in sugar metabolism and blood sugar changes, so it is suitable for diabetics. It does not cause fermentation in the colon and can avoid gastrointestinal discomfort. It does not cause tooth decay.

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