Functional oligosaccharides refer to oligosaccharides that are difficult or impossible to be digested and absorbed by the human body and have special physiological effects on the human body. Its sweetness is generally only 30-50% of that of sucrose, and it has physiological functions such as low-calorie, anti-caries, prevention and treatment of diabetes, and improvement of intestinal colony structure. Due to the special physiological functions of functional oligosaccharides, it becomes a nutrient and health care product. A new generation of food-effect raw materials that integrate diet and therapy. It is a new functional sugar source that replaces sucrose and has a wide range of uses and application prospects. Common functional oligosaccharides include: xylo-oligosaccharides, fructooligosaccharides, galacto-oligosaccharides, isomaltose, raffinose and so on. XOS, GOS, FOS, IMO, Raffinose, oligosaccharide Xi'an Gawen Biotechnology Co., Ltd , https://www.ahualyn-bio.com
Due to the high profit of loach breeding, farmers of breeding mud loach in the country have mushroomed and the scale of farming has been continuously expanding. However, by understanding the situation of farming around the country, many farmers have not achieved high aquaculture benefits, and many have suffered serious losses. . How can breeding and breeding muddy grasshopper achieve better results and obtain higher breeding efficiency? By understanding the situation of many farmers, we summarize the following main reasons for the reference of the majority of muddy fish farmers:
I. Improper selection of loach seedlings Many farmers want to take the short cuts for breeding loach. They all want to put a little bit bigger loach seedlings. They think that it would be easier to put in large-sized loach seedlings and the culture time will be short. benefit. These farmers generally purchase loach seedlings at the price of about 30 yuan per catty, and they put in 500-800 pounds per acre. The expenditure on the loach seedlings per acre is about 20,000 yuan, but the mortality rate of most farmers is very high. High, the survival rate is often less than 50%, the survival of the muddy seedlings grows poorly, the feed conversion rate is extremely low, after a few months of the breeding effect is a serious loss. This is mainly due to the fact that the loach seedlings they purchase are basically seedlings screened out in wild loach. This type of seedling is miscellaneous, and the quality of the seedlings is very poor after screening and long-distance trafficking. It is not surprising that the farmers will die a lot after their release. Now. What is more, there are many breeding units selling this wild muddy seedling as artificial breeding muddy seedlings to farmers.
The acquisition of wild muddy seedlings for artificial breeding has also been successful. It was the farmers of Lianyungang, Jiangsu Province who purchased wild muddy seedlings for artificial breeding. The benefit per mu was over 10,000 yuan. Why is this? The main reason is that they used this farming method earlier, and there are abundant wild muddy resources nearby. Professional staff organize muddy seedlings, and they have good grasp on muddy varieties and muddy quality, and the price of muddy seedlings is affordable, only about 10 yuan per catty. In addition, through years of aquaculture practices, fish farmers have had experience in breeding wild muddy seedlings, so farmers can make money, and mud aquaculture has formed a major local aquaculture industry. In contrast, other regions in the country have no such conditions at all. Blindly emulating the consequences can only be a loss. Therefore, there is no rich wild muddy resources in the vicinity. In the case of muddy seedling varieties and their quality are unclear, and mud loquat prices are relatively high, they should not be purchased for artificial breeding.
Second, the aquaculture method is not systematic and unskillful. The adoption of the acquisition of wild muddy seedlings is not only costly, but also the survival rate of loach seedlings is very low. Now many farmers have adopted self-cultivation and self-cultivation to buy artificial breeding mud, open seedlings, or loach. Inseedling cultivation. Using this method of breeding, the seed input is smaller, the loach species can be grasped, the quality of the loach seedlings is good, and the breeding efficiency is quite high, and the cultivation is effective in the year. However, there are also many farmers who use this method to produce poor results, and some even have large losses. This result is mainly due to the lack of systematic breeding techniques for farmers and the unskilled breeding operations. The use of self-propagating muddy seedlings or the purchase of muddy seedlings and other seedlings requires comprehensive technology, skilled operation, and meticulous management. Many farmers purchase dot data CDs from the Internet, purchase books from bookstores, or learn about technologies from others. Methods to carry out aquaculture, some breeding are doing well; some breeding is done well, while the muddy seedlings are not developed; some muddy cultivation is done well, and the later breeding has successive deaths; after the autumn sales, the production of loach is very low; some are cultivated. Everything was normal and no deaths occurred. The mud was unknowingly reduced, and the output was not high when harvested...
Therefore, we recommend that the majority of loach farmers, whether it is developing loach breeding, breeding seedlings or seedling breeding, need to first master the technical methods of the system. After mastering the methods, they must first carry out appropriate practices and skilled operations. After the stabilization effect, expand the scale of cultivation. Do not blindly seek for great results. Otherwise, it will not be worth the candle.
Third, the lack of aquaculture management personnel is now better economic conditions, and investment in loach breeding is not a problem, many investors are holding the scale of launch, one step in place of ideas. The fact is that most of the aquaculture effects are unsatisfactory when large-scale farming is started. This is another reason? The main reason is the lack of aquaculture management personnel, because of the need for more aquaculture personnel for large-scale breeding, and the hiring of farmer personnel does not understand the breeding techniques, the technology is not in place, the operation is not skilled. Often the boss tells them how to do, how they do it, the boss just directs not to personally operate, the owner is not even a lot of time is not in the farm, so that a group of people to engage in, how can the breeding do a good job? This is not because you have the money to get things done, but you need to understand methods, responsible and responsible management personnel of the breed, so all the bosses to be large-scale breeding, we must first cultivate a few responsible and responsible aquaculture management People, and when the scale is appropriate at the beginning, the personnel are trained out and scaled up quickly, otherwise your investment will go down the drain.
Fourth, the basic conditions for aquaculture The basic conditions for breeding a loach need to be convenient transportation, convenient water source, convenient irrigation and drainage, and water conservation in the pond. Loach breeding seedlings cultivation stage water consumption is small, but the emergence of special circumstances need to quickly add water for a short time, and the late pollution of finished aquatic products pond pollution, in addition to the regular use of photosynthetic bacteria water transfer, or need to constantly add new water, or pond water Excessive levels of harmful substances can easily cause muddy diseases and even death. Therefore, the location of the farm should be selected from a place rich in water. In the summer, it is easy to increase storm water and the farm should also consider whether flooding is flooded. Therefore, the farm site should be considered where it is not easily flooded, and the surrounding areas should be buried to prevent escape, otherwise it will be The cement sneaked away and fell short of success. When constructing a farm, the ponds should be as thick as possible, and the ponds must be compacted to prevent water leakage. Otherwise, the appropriate water level cannot be guaranteed and the survival rate of the muddy seedlings will be affected. In addition, ditches should be dug around the farms, and drainage ditches should be kept as wide as possible to facilitate the drainage of daily ponds. More importantly, they can be drained in time when the water rises in the summer, rather than flooding the ponds and causing flooding.
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How can muddy aquaculture improve the breeding effect?
How can muddy aquaculture improve the breeding effect? ​​In recent years, with the drastic reduction of wild muddy mud, increasing export of muddy mud and increasing demand in the domestic market, the sales price of loach has remained high, and the development of loach artificial breeding is promising.