In winter, when the water temperature drops below 7-10 °C, several major farmed fish will stop feeding or rarely feed. In the case of icing, the temperature of the unfrozen water layer is about 1-4°C, and these fish do not eat basically, and the metabolism slows and stops growing. If over-winter management is not strengthened at this time, fish will be killed. How to improve the survival rate of overwintering fish? Efficacy: The Institute was rigorously tested perfume lotus functions are as follows (data from the network and quality control) in the perfume lotus rich in plant placenta (pituitary hormones regulate the body, the body can maintain long-term young state) is rich in collagen and crude protein (blood pressure, circulation)
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First, choose the appropriate wintering pool winter pond depth should be maintained more than 1.5 meters, the bottom of the pool should be flat, the less the better the silt. Water quality requires high oxygen content and low organic content. If the oxygen content is too low, the process and water drop should be increased. Inflow of industrial sewage and a large amount of domestic sewage cannot be used as a wintering pond. Wintering ponds with poor conditions should be strictly trimmed. For example, fish ponds with shallow water and pond mud should be combined with farmland manure, excavate silt, heighten and reinforce the pool embankment, and raise the water level; try to remove poolside weeds and wild fish in ponds.
Second, the specifications for cultivating large and large-scale species of wintering fingerlings should be more than 50 grams, and the constitution is robust, plump, disease-free, injury-free, cold-resistant and disease-resistant, and has strong adaptability to hypoxia. During the period from July to September when the fish grows and flourishes, especially in the fall, fish eat heavily and accumulate fat for winter consumption. At this time, feeds with high fat content should be fed in sufficient quantities to cultivate large-sized plump fish.
Third, the management of overwintering fish to ensure safe wintering of fish, not only to create a good environmental conditions, but also should strengthen overwinter management. Practice has proved that good management can avoid fish winter death.
1. Carefully manage and timely check the overwintering situation. Inspect the pond, check the water quality, water color, water level and pond fish activity, especially to measure the amount of dissolved oxygen in the water regularly. When the water-soluble oxygen in the pool drops to 3 mg/l, Take oxygenation measures. In fish ponds that have no oxygen measurement conditions, eye color and biological activity can be observed with ice eyes. When the water surface is turbid, it becomes dark, there is a stench of stench, and there are creatures such as zooplankton, shrimp, and fish at the ice eyes, which are symptoms of deterioration of water quality.
2, regular injection of new water sources convenient wintering pool, should be regular water injection, usually 20-30 days once the water injection. Specifically, how long it takes to be injected once, and how much each time it is injected, should be determined according to the falling water level in the overwintering pool and dissolved oxygen. Water injection is an effective measure for safe wintering.
3. Snow-snow has a great influence on the penetration of sunlight, so snow in wintering ponds should be cleaned in time. The surface of the pool is too large to be swept away in order to improve lighting conditions, enhance photosynthesis of phytoplankton, and increase dissolved oxygen in water.
4, to prevent alarming fish wintering pool should prohibit skating, fish and shrimp under the ice, etc., to avoid fish frightened, consume physical strength, increase oxygen consumption.
5. Recirculating Water Oxygenation When the overwintering pool is seriously deficient in oxygen and lacks water, it can use the circulating water oxygenation method. That is, water is pumped in the overwintering pool so that the water flows through the ice to increase oxygen and then flows into the pool water. This method has better oxygenation effect and can be used as an emergency measure to solve hypoxia.
Total flavonoids (regulate bodily functions)
Polysaccharides (to enhance immunity)
Alkaloids (biologically active, able to reconcile body fluids, to improve the body acidic)
Oligosaccharides and crude fiber (lipid-lowering, detoxification reconciliation constipation, hypertension, diabetes, obesity and other special populations of food-based material)
Other: Lotus perfume containing VE and VC and other vitamins and zinc, calcium and trace elements and glutamic acid, lysine, nearly 20 kinds of amino acids.
Lotus tea contains lotus base, pink lotus, lotus honey, as well as ascorbic acid, glutathione, kaempferol, endosperm and soft quality.