Introduction of mullet
Black mullet, also known as black fish, raw fish, money fish, snakehead fish, filial piety fish, etc., belong to the order Perciformes, Cephalidae, snakehead in taxonomy. It is widely distributed in all kinds of waters north and south of the Yangtze River in China. It has few bone spurs, delicate meat, delicious taste and rich nutrition. It is determined that every 100 grams of mullet meat contains 19.8 grams of protein and 1.49 grams of fat, and is rich in calcium, phosphorus, iron, zinc and other nutrients needed by the human body. People like to eat mullet after surgery in order to remove stasis, replenish blood and converge, accelerate the growth of tender granulation and promote wound healing. Guangzhou's well-known "raw fish kudzu soup" has the effect of invigorating body and relieving thirst, clearing heat and detoxification, dialing poison and promoting muscle production. The "fillet of rich fish" in central and southern China has become a favorite because of its tender meat and delicious taste. It has always been welcomed by Southeast Asian countries and the markets of Hong Kong and Macao, and it is one of the important aquatic products exported by China. Black mullet has strong adaptability to the environment, easy to breed, less disease, high survival rate, convenient for living transportation and best-selling market, so it is a promising breeding object. Among the fish of the genus Argus, there are three species of artificial culture in China, namely, snakehead, snakehead and snakehead, which are often referred to as mullet. In natural waters. Ophiocephalus Argus is distributed from the Yangtze River Basin to the Heilongjiang River Basin, the snakehead should be distributed in the south of the Yangtze River basin, and the snakehead should be distributed in the Yangtze River basin.
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Measures for intensive cultivation of fish fry in autumn
First, improve the growth environment. After several months of breeding, the water quality of the ponds that used to cultivate fish species is gradually aging, which is disadvantageous to the growth of fish species. Efforts should be made to improve it. One is to add new water, the water in the original pond can be released into 1 beat 3-1 tap 2, and then add new water with the same temperature. Second, fertilization, fermented manure can be properly applied, generally about 150 kg per mu, once every 7-10 days, a total of 500-750 kg, generally adopt the method of small pile stacking or sprinkling in the whole pool. In addition, it should be appropriate
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Habits and culture of Pelteobagrus fulvidraco
1. Life habits yellow catfish, commonly known as yellow bone fish. It is a freshwater bottom fish. It likes to inhabit the bottom of the water during the day and is not often active. It swims to the middle and upper layers of the water body at night to feed. The culture of Pelteobagrus fulvidraco requires light water quality, high dissolved oxygen and suitable temperature of 0~38℃. Pelteobagrus fulvidraco is a kind of mild carnivorous fish. It likes to eat small fish, shrimp, snail meat and artificial feed. 2. The seedling cultivation amount per mu (1 mu =667 square meters) is 100,000 ~ 120,000, which can be put into the pond with fertilizer to cultivate organisms.
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