Astragalus loach nesting efficiency is good

After many years of exploration, Liu Yiming, an employee of the Guanzhuang Lake aquaculture farm in Zhongxiang City, Hubei Province, summed up a set of experience in using aquaculture ponds to raise astragalus and loach, and the breeding efficiency was good.

To build a culture pond with a pool of yellow peony roots and muddy ridges, choose a place where the sheltered winds are sunny, a quiet environment, and convenient water sources. Cement tanks or upper pools can be used, as well as reservoirs, ponds, sewers, and rivers. Box nesting, the area is generally 25 to 150 square meters. If the cement pool is used for raising, it is necessary to carry out the alkali treatment before releasing the seedlings in order to store the yellow seedlings and the muddy seedlings. If earthen ponds are used for breeding, it is required that the soil is hard and the bottom of the pond be compacted. The pool depth is between 0.8 and 1.5 meters. Whether it is a cement pool or an earthen pond, fill in a 30-cm muddy layer at the bottom of the pool. The best fertilizer contains the best organic fertilizer. This will facilitate the digging and burrowing of the yellow locust and the loach. When the pool is built, the inlet and outlet must be provided, and the water depth should be kept within 15 to 20 cm. In and out of the water inlet and outlet, use a barred net to prevent jaundice and loach from fleeing. About 10 days prior to planting, lime was used to completely sterilize the culture ponds, and the pool water was drained 3 to 4 days before the emergence, and fresh water was injected.

The seedlings were selected to raise astragalus and loach, seedlings are the key. The seedlings of Astragalus membranaceus are best cultivated and cultivated for their domestication. Seedlings of Scutellaria baicalensis are suitable for 60-80 pieces/kg, and stocking densities are generally 1 to 1.5 kg/m3. Saplings are stocked for 20 days and then put on the muddy seedlings at the rate of 1/10. The muddy seedlings are best used for breeding, because the survival rate of artificially cultivated seedlings is high.

Feeding compound feed must first be installed with feed. The feed table can be made of wood or plastic. The area depends on the size of the pool, and it must be 5 cm below the surface of the pool. After the Brassica juncea seedlings are placed, the feed is not fed for the first 3 to 6 days. After the Huangqi has adapted to the environment, the feed is started on the 4th to the 7th day, and the feed is best fed at about 7:00 pm every day.

The artificial nesting of nymphs and loach is mainly based on feed, and some pupa, river snails, and mealworms are properly fed. Formulated with self-formulated feed: 21% fishmeal, 19% cake, 37% energy feed, 12% wolfberry (dry product), 1% mineral, 50% yeast, 2% multivitamin, 3% binder . Feeding 1 to 2 times a day, using the principle of timing, quantitative, 20 grams of T. osmanthus rearing a year can grow to 0.25 to 0.3 kg. The loach is mainly used for feeding manure from jaundice and feeds that cannot be eaten in aquaculture ponds. Feeding wheat bran once a day can satisfy the loach's food intake.

Scientific feeding and management from May to September is the peak season for the growth of yellow pods and loach. During the period of management, “diligent” and “fine” are required. That is, diligent patrol pools and diligent management are needed to solve problems in time. Both the scutellaria and the loach are nocturnal. It is necessary to carefully observe the growth dynamics of the scutellaria and loach so that appropriate measures can be taken in time. At the same time, it is necessary to keep the water quality of the pool fresh and the pH between pH 6.5 and 7.5.

Doing a good job in disease prevention proves that once the onset of jaundice, the treatment effect is often poor. This requires farmers to be disease-free, first-aid and disease-free. Commonly used bleaching powder with a concentration of one part per million to two parts per million can be splashed in the whole pool, regularly sterilized with carp and squid, and disinfected by the whole pool to prevent diseases. The annual spring and autumn seasons are performed with crystal trichlorfon. Deworming. {}

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