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Causes of Failure of Astragalus Breeding
The cultivation of Astragalus mongolicus is also one of the special aquaculture productions. It is better to raise economic efficiency income than to raise fish. Therefore, in the rural aquaculture, the number of households raising Astragalus mongolicus has been expanding in recent years, but there are also many farmers in raising astragalus roots. It is a failure. There are many reasons for checking it. However, there are mainly eight types of technical problems. 1 buy the seed. Many so-called “farming†seed or other so-called “high-quality†seedlings purchased and cultivated outdoors are actually collected as wild seedlings, and these seedlings are not scientifically operated due to temporary conservation and multi-linkage storage and transportation, etc. The mortality rate is between 90% and 100%. Therefore, when purchasing seedlings, it must be carefully examined. Generally, the artificial breeding of jaundice should be used to purchase high-quality seeds locally, which is economical, quality and guaranteed. 2 do not choose varieties. Viewed from the outside, there are deep yellow spots, large red spots, light yellow spots, and fine green spots. Only by selecting the first two species can we have a faster growth rate. Artificial breeding can achieve the desired economic benefits. 3 size polyculture. In the same pool, the size of polyculture, small crickets did not dare to fight for food and physical weakness or even death. When there is not enough food, the big quail swallows the small quail so that it grows in size. Although the larvae grow fast, the total pond production is low. 4 pool water is too deep. Due to the absence of fleas in the body of Astragalus, it is not allowed to float freely in different water layers to expose the surface to breathe air. The water in the pool is too deep, and the jaundice needs to swim to the surface frequently to breathe and consume a lot of physical energy, which affects the growth of normal life. The pond should be bred according to the size of the carcass and the water depth should be between 5 and 20 cm. The net cage should be filled with the entire cage to provide a good habitat and breathing conditions for the yellow cricket. 5 pond pool manure. In Dianchi Lake, the water body is small, and manure fertilizer can easily damage water quality and induce diseases. This “improved water quality†is not worth the candle. 6 Ignore planting aquatic plants. Water plants can cool down the heat of the astragalus and purify the water. Dianchi without aquatic grasses cannot create a good ecological environment. It is also difficult for aquaculture to succeed, or it is difficult to achieve high yields and high profits. 7 feed "prime" food. Some farmers use wheat bran, vegetable cake, bean dregs, rice, green vegetables and other plant vegetarian diets to feed the yellow peony. When they are severely hungry and lack food, the jaundice will also be swallowed in small quantities. The nutrients can not meet the needs of the jaundice's life activities, not to mention Growth gains, long-term cause jaundice gradually thin and dead. Astragalus is a ferocious benthic carnivorous fish, should be fed animal feed or full-priced compound feed. 8 Frequent refueling. Breeders often have unsafe food because they often change feed types. Astragalus feed should have a certain degree of stability, suddenly change the type of feed, jaundice is difficult to adapt and refuse to eat, will affect the normal production growth.