Huang Yu has a vast sales market, but many farmers have failed because of blind farming due to lack of technical information. Mainly in the following 8 aspects: 1. Indiscriminate purchase of seed. At present, the artificial breeding technology of jaundice in China has not yet reached the level of large-scale production and supply of commercial aquaculture. Many farmers have gone to Hubei, Wuhan and other places to buy so-called “Extra large yellow pheasant†seedlings or their What he called “high-quality†seedlings are actually wild seedlings purchased from the market. Most of these seedlings have been suffering from a fever due to prolonged, high-density storage and repeated transportation by traders. The mortality rate can reach 90% to 100%. Therefore, be sure to carefully identify when purchasing seedlings. 2, the reference book as a magic weapon. At present, although there are already 10 versions of domestic breeding books, their content is basically copying general fish farming techniques or some empty theories. There are too few practical and practical technologies. It is best for beginners to come to the site of the large family to visit and study. 3, the size of polyculture. In the same pool (cage), the size of the yellow crickets is polytrophic, and the young crickets do not dare to compete for food and the physique gradually weakens or even dies. When there is not enough food, jaundice can eat each other. Therefore, when the size of astragalus is polyculture, The speed is fast, but the overall output is too low. 4, the pool is too deep. If Astragalus swims frequently to the surface to affect normal growth, it is often caused by too deep water. The depth of the water in the pond should be about 20-30 cm, and the cages should keep the entire net Box to provide good habitat and breathing conditions for the jaundice. 5, abuse manure. Manure manure can easily damage water quality and induce jaundice. 6, neglect to cultivate aquatic plants. Aquatic plants can purify water quality and provide excellent hiding places for the jaundice. It is difficult to succeed in breeding yellow jaundice in ponds without aquatic plants. 7, partial "prime" lack of "defective." Some farmers use wheat bran, vegetable cake, bean dregs, Rice, green vegetables and other plant foods to feed yellow peony, jaundice is severely hunger, a small amount of food will be swallowed if there is a lack of bait, but its nutrition can not meet the life of jaundice. The need for activities, let alone growth and weight gain, will gradually lead to emaciation and death. Astragalus is a carnivorous fish, should be fed animal feed or full-priced compound feed. 8, frequent refueling. Farmers often change feed types due to lack of food protection. Astragalus eat a certain degree of fixed bait, suddenly change the type of bait, Astragalus will refuse to eat, affecting normal life and growth. If you really need to change the bait, you should gradually reduce the proportion of the original bait, while increasing the proportion of new bait to adjust. Convenience Food
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