First, look at water fertilization

Eel and squid feed on plankton and use fertilization to promote the reproduction of plankton, to meet the needs of eel and squid for natural food, to promote gonad development in broodstock, and to increase the number and quality of broodstock in broodstock. According to the water quality of the pond, the application of fully-fermented organic manure is the main method. Urea and superphosphate can also be used in combination to ensure that the water quality of the water remains “fat, live, tender and cool”. In the autumn, fertilization takes less time and more, especially after the injection of water and disinfection of the water body, it is necessary to make up the fertilizer in a timely manner so that the water color becomes thicker and the transparency of the water body is kept within a reasonable range. In short, the broodstock should be accumulated as much as possible in the autumn to ensure the normal development of the brood of the parent fish. Before wintering, after adding water or changing water, proper application of appropriate amount of inorganic fertilizer can make the pool water maintain a certain amount of phytoplankton, increase the water soluble oxygen in the pool, and can also meet the need for small amount of broodstock and carp broodstock.

Second, reasonable feeding

Different broodstock species have different requirements for bait. Grass carp and broodstock is a herbivorous fish, and the fresh and young grass is relatively insufficient after autumn. It can be mainly concentrated on bean cakes, wheat bran and corn, supplemented by various kinds of leaves, sprouts and aquatic grasses. In order to promote broodstock ingestion and digestion, fine and green materials should be fed separately. Normally, green material should be fed in the morning, and the amount of feed should be 3% to 5% of the body weight of the broodstock. The concentrate should be fed in the afternoon and be fed in the afternoon. It accounts for 2%~3% of the body weight of the broodstock. After winter, the amount of bait should be reduced accordingly. In general, when the water temperature is high, feed it once every other day. When the water temperature is low, feed it once every 3 days. The feeding amount should be adjusted according to the feeding conditions of the broodstock. The herring broodstock feed on snails, pupa, and oysters, and can be fed at the right time to meet the feeding of herring. Supplemental feeds can be fed with small quantities of soybean cake and other concentrates. For quail and bream fish, supplements should also be supplemented depending on the situation, such as crushed bean cake flour, wheat bran, etc., to increase the nutrition of the broodstock and promote its gonad development.

Third, the scientific water diversion of new water to keep the water fresh is one of the important technical measures to promote gonad development. Generally, new water should be added according to the weather, water quality, and broodstock feeding. After the fall, every 10 days to 15 days, one flush, each flushing about 3 hours, so that the pond water level increased by about 15 cm, with the water temperature decreased, the flush interval can be extended to 20 days to 25 days once. Before entering the winter, after freezing, the pond should be filled with enough water, and the addition of new water to increase the water level has the effect of maintaining the water temperature, enabling the broodstock to safely pass winter. When it is cold, it is best to add water at noon. For the pro-fish ponds such as cockroaches and cockroaches, one should not add too much water at a time, so as not to reduce the fatness, and affect the growth and gonad development of broodstock.

Fourth, timely prevention

In the fall and winter season, the broodstock should be strengthened to prevent disease. Once the broodstock becomes ill, it will affect its growth and accumulation of nutrients, and it will also affect the gonad development of the broodstock. Disease prevention should follow the principle of “prevention without disease, early treatment with disease, prevention with emphasis on treatment”. The first is to strengthen water quality management and pay attention to the disinfection of water bodies. Generally, every 15 days to 20 days disinfection with quicklime or bromochlorogenic acid once. The second is to scientific feeding, do not let the broodstock suddenly hungry and full, prohibit the feeding of mold material deterioration of food, regular disinfection of food. The third is to do a good job of disinfecting various tools and water sources to prevent the spread of diseases. The fourth is to do a good job of drug prevention, such as regular insecticide sterilization, feeding medicine baits. In addition, we must also strengthen the patrol pond, do a good job of preventing hypoxia, anti-theft and other work

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Basic information

Assay 90% Food Grade Hyaluronic Acid

CAS No.: 9004-61-9

EINECS No.: 232-678-0

MF: (C14H21NO11)n

Grade Standard: Food Grade

Place of Origin: China (Mainland)

Packaging Details:25KG/CARTON

Application

Nutritional Supplements

Hyaluronic acid extracted from rooster combs cannot be absorbed by the intestinal tract. But, Japanese scientists have developed a proprietary enzyme-cleaving technique to lower the molecular weight of hyaluronic acid without altering its chemical nature. This allows hyaluronic acid to be taken orally as a nutritional supplement, many varieties of which are readily available for commercial use.

Specification

Food Grade Hyaluronic Acid Powder

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Qufu Hi-Tech Trading Co., Ltd. , https://www.chinahyaluronic-acid.com