Several Keys to Raise the Success Rate of Huangpi Cultivation
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1. Creating a suitable growth environment Whether using earthen ponds or cage culture, the external environment of the natural growth of Scutellaria baicalensis should be simulated as much as possible to maintain fresh water quality, appropriate amount of water weeds, and reduce the mutation of Scutellaria baicalensis to create stress.
2. The critical period for affecting the survival rate after tame the seedlings in the lower box is the first 15 days. Only through this dangerous period can the success be guaranteed. 1 Drug control and improvement of the external environment. After the seedlings are planted in the lower boxes, due to the abrupt changes in habitat and density, the stress response is strengthened, the mucus secretion is slowed down, the resistance is reduced, and the external pathogenic microorganisms are easily invaded and cause diseases. In this case, the water environment of the drug control box should be used on the first day of the seedling lower case to protect the body surface of the seedlings. Drug control is a key means within a week. 2 eat early. To enhance physical fitness, accelerate the secretion of mucus, improve their immunity. Because mucus is the first skin of salmon, it has a protective function. The normal secretion of mucilage seedlings, rely on the body to complete the metabolism, metabolic functions rely on adequate bait conversion to ensure that, so the seedlings after the second day after the feeding and domestication, according to local resources use seedlings love to eat Live freshwater lobsters, clams, fresh fish, oysters and other live bait, regular spot lure, domestication concentrated food intake. At this stage, the bait can be mixed with attractant, antibacterial and anti-stress nutrients to increase the feeding rate and lay the foundation for the following domestic food. 3 Gradually tame the food. In normal circumstances, the daily intake of fresh bait can reach more than 5% of the body weight within two weeks. A variety of fresh baits can be purchased at a low price, which can guarantee a stable supply to raise seedlings (when using quail meat, they must be cooked and fed to avoid causing parasites). Such as fresh bait supply is not guaranteed, or the price is too high to choose to feed pellet feed.
3. Before domesticating and transforming into pellet feeds, transfer and domestication should be carried out. The domestication process is divided into two steps. The first step is to select the fresh bait that the seedlings like to feed on, and the domesticated seedlings cluster to ingest the food. The second step is to switch food when the seedlings eat about 5% of body weight. In the process of domesticating and switching to food, the transition from fresh bait to commodity bait should be based on the principle of "gradual and thorough domestication." Fresh baits for domestication use a wide range of sources, fresh fish bait eaten food. Once selected, do not change at will, otherwise you will reduce or refuse food.
4. Domestication requires patience during acclimation and domestication takes a little longer. Normally it takes about 30 days. Try to feed each seedling completely and feed on pelleted food.
5. Food counters set in the box to feed the food table to be fixed, every 4-6 m & sup2; to set a place. The food table is paved with water and grass. The grasses at the food table should be thick and dense enough to support the bait and feed the squid with sufficient buoyancy. Do not throw at the blank surface to prevent the feed from floating or sinking, causing waste and pollution.
6. After successful management and domestication, it entered the normal feeding and management stage. Seedlings in the initial stage, appetite, such as temperature, can feed two meals. The amount of size is mastered, and there is no residual bait for the second feeding. In normal conditions, the dry material of the pellets is between 1% and 3% of the weight of the carp, and the fresh food is between 5% and 10%.