Roasted Chestnut,Dried Chestnuts,Chestnut Honey Greenfarm Import And Export Co., Ltd. , http://www.jn-foods.cn
Ujjain, commonly known as blackfish, is classified under the order of Oystercatcher, Oysteridae, and Oystercatcher. Ujjain is said to be “a treasure in fishâ€. Its meat is delicious and nutritious. It has the effect of a new, nourishing and nourishing nurse. In recent years, our district has promoted Wuhuan as an important breed of artificial breeding. In 2001, the district promoted a total area of ​​3,274 mu of Wuyi ponds, with a total output of 5871.4 tons and an output value of 76,322,200 yuan. It has become one of the counties (cities, districts) with the largest area in Wuye, Zhejiang Province. In Bolu Town, one of our districts, the total area of ​​the Wuhuan River in 2001 reached 1,883 mu, which was rated as the “Hometown of Blackfish in Zhejiang Provinceâ€. Through several years of experimental promotion, we have successfully summed up a set of special culture and high-yield techniques for Wuyi ponds. The "Ukrainian Pond Scorpion Specialized Technical Operational Regulations" formulated by our district has been regulated as the Hangzhou Agricultural Standard and promulgated and implemented by Hangzhou Technical Supervision Bureau. The main techniques for the special culture of Wuyi Pond are described as follows: 1 Pond Requirements 1.1 Conditions The pond is suitable for 667~1334m2 (1 mu to 21 mu), the water depth is about 150cm, and the pond water is 40cm~50cm above the water surface. Use bamboo fences, nylon nets and other materials to surround the fish more than 50cm high to prevent fish from jumping out of the pool. 1.2 Water Quality: The amount of water in the source water is sufficient, the water quality is fresh, the amount of dissolved oxygen in the pool is more than 5mg/L, the pH is 7-8, and the transparency is more than 30cm. 2 Stocking 2.1 Pre-preparation: 7 to 10 days before stocking, use 75kg to 100kg of quicklime to clear the pond for disinfection per acre, clear pond for water injection 4 days later. At the same time, some aquatic plants or water lilies are planted around the pond. The area of ​​aquatic plants cannot exceed 1/2 of the pond area. In the pool, a food table made of reeds, bamboo curtains, etc., is set up, with a size of 3 m2 to 4 m2, fixed at a distance of about 2 m from the shore and 50 cm to 60 cm below the water surface. 2.2 Fish selection: Choose the fish species that have the same specifications, smooth surface, full muscles, no injuries, no disease, lively, and fierce competition. 2.3 Restocking time and specifications: There are two types of fish species for ponds cultivated with black oysters. One is a large-size fish species with 50 grams or more per tail and should be kept in the pool in the early winter. One is 60 to 200 tails per kilogram. The small-scale species of fish, which was bred from the early spring of the year and cultivated for about 2 months, should be stocked in ponds from June to July. 2.4 Stocking density: 4,000 to 5,000 fish rearing species per 667 m2 (1 mu). 3 feed feed 3.1 feed selection: use unmodified ice, fresh fish. 3.2 Feeding time: feed once a day in the afternoon and in the afternoon. 8 a.m. to 9 p.m. and 4 p.m. to 5 p.m. 3.3 Feeding method: Cut the feed into pieces, and feed them on the food table when the temperature is approximately the same as the water temperature of the pool water. The daily feed is 3% to 10% of the total body weight of the fish. It should be handled flexibly according to the situation. Generally, the fish should not eat on the table. 4 Day-to-day management 4.1 The patrol pond: At least once every morning and evening, the main content is “Look at the sky, see the water, and watch the fishâ€. According to the weather, water quality, and fish activity, various feeding and management tasks are formulated and implemented. 4.2 Changing the water: The water in the pond of Wuyi is very easy to blackish and stink. The most effective solution is to change the water frequently. In the early days, fresh water was changed every 10 to 15 days. Each time you exchanged 1/3 of the total amount of water in the whole pool, you can change the water in 1/3 in a small one-day change in the high-temperature season from July to September. 7-10 days a big change, change the water 2/3 to improve water quality. 4.3 splash lime: depending on the water quality of the pool, occasionally splash lime water, the amount of every 667 m2 (1 acre), 100cm depth of lime with 10kg-15 kg, watered Quanchiposa to regulate water quality. 4.4 Do a good job of cleaning the pool: Wash the table every day, remove the leftover bait residue and dead fish in the water, etc.; cut the overgrown weeds to prevent water pollution. 4.5 Preventing Escape from Fish: Ujungling has a strong ability to back up water and aisle habits, so doing a good job of preventing escape is an important part of daily management. It is necessary to plug the loopholes in the pond and prevent the leakage of water from seeping in the ponds. Reinforce the height of the ponds and repair the fences, bamboo fences, and nylon nets to prevent them from escaping. 5 Fish Disease Control 5.1 Prevention: Keep the water quality fresh and the feedstuffs are fresh - The medicines used in the imperial period are used to disinfect water bodies, food tables, and fishing gear. The sick fish and dead fish picked up should be buried in time. 5.2 Treatment of common diseases In the high-density ponds, the main diseases are: fulminant haemorrhagic disease, bacterial gill disease and parasitic gill disease. 5.2.1 fulminant hemorrhage: The disease usually occurs in the high temperature season from July to August. It has an acute onset and many deaths. It often shows violent death. Diseased fish scales loose, pectoral fin base, abdominal congestion and inflammation, body wall sides of the vertical fish side of the line of bleeding stripes, some diseased fish have eyelids, muscle congestion phenomenon. The main reason is that the feed is fed with mildew and spoilage, and the residual baits in the food table are not removed, resulting in deterioration of water quality. This causes the water body to breed Gram-negative bacilli such as citrate Bacteria and invade the fish body. Treatment is performed using a combination of internal and external use. Oral administration is based on the use of 100 kg of furazolidone fish made of bait 4 kg, for 5 days for a course of treatment; external use of chlorine dioxide, bromochlorogenice and other drugs on the water, food Taiwan, fishing gear and other disinfection. 5.2.2 Gill disease: There are bacterial gill disease and parasitic gill disease. The main difference between the two symptoms is: the bacterial gill disease disease fish swim slowly in the water, not afraid of fright, sepals are gray, some local necrosis; parasitic fish gill disease movements were irritability, there is Travel phenomenon, sepals redness and swelling, and corrosion. The treatment of bacterial gill disease is the same as the outbreak hemorrhagic disease. For the treatment of parasitic gill rot disease, the whole pool of crystals such as trichlorfon is first used to kill parasites, and chlorine dioxide and other antiseptic drugs are splashed every two days to prevent parasites from biting wounds. Infection.