Huazi fish, the scientific name of Washi Yaluo fish [Leuciscuswaleckii (Dybowski)] its resistance to temperature, salinity, wide food, fast growth, fresh flavor and other excellent traits, in Inner Mongolia, Northeast and Beijing-Tianjin region enjoy full of reputation, has a greater value of development and promotion.
The seventies of the last century before the Huazi fish in the Inner Mongolia Autonomous Region of the major in the water distribution is very wide, into the eighties, due to the changes in the ecological environment of the waters, the Huazi fish disappeared one after another in various parts of the world.
Dali Lake is located in Chifeng City, Inner Mongolia Autonomous Region, Keshketeng Banner, an area of about 238 square kilometers (about 377,000 acres), the average annual water depth of 6.7 meters, the maximum depth of 13 meters, ph value of 9.4, the total alkalinity of 45 me / L, the total salinity of 5 ‰, is a carbonate-type semi-brineal water lakes, and the Huazi fish is currently surviving well in Dali Lake, the annual production of a stable in the 200,000 kg around.
May 1, 2005 ~ May 15, Inner Mongolia Autonomous Region Institute of Aquatic Sciences of Ordos City, a high degree of salinity of the Qigai Nao, Po Jianghai, Kui Zi Nao, Muken Nao, black carbon Nao and other water bodies of water quality, aquatic life on the basis of a full investigation and research, with the above water bodies of water, the Dali Lake, Huazi fish eggs fertilized indoor hatching test and achieved success. On this basis, the Inner Mongolia Autonomous Region Institute of Aquatic Sciences and Lake Dali fishery cooperation to the Qigai Nao transplanted Huazhi fertilized eggs 600,000, after more than 10 days of incubation, has been hatched Huazhi fry about 300,000, respectively, into the Qigai Nao, Kui Zi Nao for aquaculture experiments.
At present, the scientific and technical personnel to move into the water body Huazi fish growth situation for close observation, such as Huazi fish transplantation test is successful, will be the Inner Mongolia Autonomous Region Huazi fish development and utilization of the Inner Mongolia Autonomous Region and the development of the fisheries industry economy to produce a huge role in promoting. At the same time, it is of great significance to the development and utilization of many alkaline lakes and reservoirs in Inner Mongolia Autonomous Region and all over the country, as well as ecological restoration and driving the development of local economy.
Product quality and characteristics
1, external sensory characteristics: pike-shaped body shape, silver-white side of the body, the back of the green, the abdomen pure white or gray, the mouth end position, slightly upward slanting, scales are small, the caudal fin green. Lateral line scales are more, with a variation of 51-58; dorsal fin front scales and peri-tail shank scales are more, with dorsal fin front scales of 24-29 and peri-tail shank scales of 15-18; and gill rakers are more, with a variation of 9-17. These trait indexes are all different from those of the Yaluo fish in other regions.2. Intrinsic quality indexes: The flesh of the Dali Lake Huazi fish is fine and delicious, rich in many kinds of microelements and amino acids. Protein content is high, while the fat content is low. The content of sodium and copper in trace elements is higher than other similar fish. Air-dried samples of protein content in 72.00-85.00%, fat content of 5.00-10.00%, sodium 250-400mg/100g, copper 0.5-1.5mg/100g. Dali Lake Huazhi fish rich in minerals and a variety of trace elements can prevent atherosclerosis, and hypertension, coronary heart disease and diabetes have a certain effect; there is a cholesterol-lowering effect. Obese people are more suitable for consumption, but also maternity and postpartum weakness of the most ideal pure natural nutritional tonic good. Dali Lake Huazhi is rich in many kinds of essential amino acids, which can regulate the balance of human metabolism and enhance immunity, and has certain effect on preventing and controlling liver failure and lowering blood sugar.3. Quality and Safety Requirements: ①During the period of hatching and cultivation of the fish fry, do not use all kinds of drugs prohibited by the relevant standards. ② Use natural lake water to incubate and cultivate the fish fry, and artificially release them into the lake after reaching the specifications. ③No preservatives and food additives are used in the processing of commercial fish.
The Dali Lake Huazi fish is mainly distributed in the lake area of Dali Lake and the surrounding injected water system within the territory of Keshketeng Banner, Chifeng City, Inner Mongolia, under the jurisdiction of Dali Nuer National Nature Reserve. It is located between the coordinates of 116°22′-117°00′ east longitude and 43°11′-43°27′ north latitude. The total area is 119,413.55 hectares and the annual production is 500,000 kilograms.