Disease Prevention and Control of Astragalus

The nutritional value of Astragalus is very high. In China, there is a saying that eating in winter and eating a ginseng in the summer can eat a meal. In areas where water resources are abundant, during the slack season in summer each year, catching wild astragalus in paddy fields and river ponds to sell money has become a major channel for many villagers to increase their income. Because after the month of October, Huang Hao had hibernated into the cave. At this time, the price of Astragalus was several times more expensive than before. Therefore, at the time of the most fertile yellow rice dumplings, many farmers also purchased a large number of them, and then raised them up and sold them for a good price before and after the Spring Festival. This is a business to earn, but there must be a good grasp, that is, the problem of the disease of Huang Hao, otherwise the bamboo basket is empty.


Every May - August is the busiest time of the year for Wang Taixin, a big raiser in Jianyang, Sichuan. Every few days, he will go to the farmer households in the area to collect wild jaundice.

that is all?

This is a few days, just two days ago.

Wang Taixin has been supporting the Yellow Pelican for more than a decade, but every time he buys seedlings, he has to come to the scene personally. For him, whether or not these wild astragalus can survive after they are bought can be avoided.

Pick out these bad ones and choose bad ones.

Reporter: What kind of bad?

Some of these have suffered internal injuries in the process of storage or capture. This has been a sign of bleeding. There is also a case where many fevers occur. The survival rate of these cultures is generally very low and should be singled out.


The original jaundice will have a fever! And once the fever is not good! Wang Taixin had a lesson. At the beginning of raising astragalus, Wang Taixin did not even know that Astragalus also had fever, let alone how to identify it. He thought about making money quickly and drastically purchased more than 600 kilograms of wild Astragalus, but did not expect these yellow apes to be very There is a problem soon.

It is this kind of jaundice, which has redness, especially in the abdomen. It can be seen that the entire abdomen is bleeding red and basically left about a hundred pounds after breeding for more than ten days.

The reason for the death was that Huang Qi had a fever. What kind of disease is this fever? Why did they die when they got home? Learn about Wang Xintai's discovery of problems in storage and transportation.

Mainly because of the density, high density storage for a long time, no change of water.

Although it is a fish, it has no scales and has a lot of mucus. Astragalus is extremely sensitive to temperature, below 10 degrees, 30 degrees above will stop eating. In the process of storage or transportation, if the density is high, the amount of water is small, and the weather is hot, the rate of mucus secretion by the astragalus will accelerate, releasing heat and consuming oxygen in the water, so that the temperature of the water will increase. Can not stand it, not a long time there will be redness of the ankle, anal redness, body congestion symptoms, and finally died of suffocation.

Once an experiment was done to add 4 kg of astragalus to two kilograms of water, the water temperature was 23 degrees, but after more than 5 hours, you can see that the water temperature reached 33 degrees.

If the time is longer than 32 degrees, the jaundice will have fever symptoms.

Now that Wang Taixin has experience, he has summarized a simple method of identification: it is like this kind of yellow skull that has been headed for a long time, and the response is not sensitive, there must be problems. However, if there is a disease, it will be cured.

Wang Taixin: We have been breeding for so many years. As long as we have acquired a fever, it is generally difficult to get it back. Most of them will die.

Expert Tips: Fever treatment: There is no cure for the main prevention!

Since there is no cure for fever in Astragalus, we can only prevent it. How can we prevent it? The most important thing is to strictly guard the seedlings, because this disease does not usually occur in daily culture. As the bazaar on the bazaar must not be acquired as seedlings, most of these yellow bastards have hidden sources of unknown origin.


You don't know how he got it. There are catching peasants. You don't know how he stored it. This type of jaundice is feverish and it's hard to breed.

Therefore, some relatively safe practices are directly acquired from the captured farmer households, but they must not be ignored. Such as these appearances are scarred, rotten, bleeding, soft body fever, etc., as long as it is not correct, You can't do anything else. If you don't, then you can get things done. This isn't until Wang Taixin is finished. The call for help is coming.

The person who called Wang Taixin was him, ----- Zhao Yong. He began to raise the yellow plutonium a few months ago. He was not excited yet. In the early morning, he found that some yellow pupae died on the grass. What's going on?

Teacher Wang, you show me this yellow skull I found that suddenly died on these two days.

This is the most typical hemorrhagic disease. This is the more serious form of enteritis. It is basically both enteritis and hemorrhage.

Enteritis and hemorrhage are a high mortality rate for Astragalus. In general, if you have enteritis, you will have blood symptoms, so it is also called enteritis bleeding syndrome. If this disease is found, the carp may not have the spirit, do not want to eat, and the action is slow. In the middle of the day, it will go to the upper part of the grass. If it is serious, the cerumen will have bleeding, the abdomen will have this kind of erythema, and the anus will become red and swollen. prominent.

As the saying goes, "Illness from the mouth", we must say that why the yellow intestine will cause problems in the intestine, certainly related to eating, this feed is not the most common cause of morbidity, is it that Zhao Yong Huang Huang to eat the deterioration of dips?

The maggot plus artificial feed, this is what Zhao Yong eats for the yellow cricket every day, this maggot is all alive, the feed has not expired, there should be no problem! Is it a problem with water quality?

How long do you change this water?

Three or four days, four or five days.

In normal conditions in the summer, about 4 days to change the water for the yellow cockroach, which is normal operation? What is the reason that caused Huang Wei to suffer from intestinal diseases?

Do you think that this yellow cricket eats a few percent of Huangpi’s weight?

About 5% of the way.

When 5% of the feed intake at this time is relatively large, it may cause enteritis.

It turned out that the problem was indigestion.

6---September is the time when Huangqi has the fastest weight gain and the best appetite. Even so, the formulated feed for Huang Qi should be controlled at 2%-3% of body weight. There are two characteristics of Huang Xi's eating. One is greed: if it is something delicious, it will suffocate him. Whether or not the stomach is acceptable. The second is to fight hunger. If you have a full meal, you can not eat for several days. However, this is not conducive to the increase in weight and health of the Astragalus. Therefore, you must give it to a person who eats it once a day. However, Zhao Yong did not understand, ah, he wanted to eat more, certainly a long fat, it increased the amount of feed fed, excessive overeating, Astragalus's intestines will certainly appear indigestion.


In addition, through observation, Wang Taixin also discovered that Zhao Yongyang’s jaundice, which has a rapid onset and death, has one more reason.

Because Astragalus eats much more, it also has more fecal matter. This time, it is relatively easy to pollute the water quality. After this water quality deteriorates, it can easily cause enteritis disease.

It appears that the cause of the onset of intestinal inflammation is many. Yes, ah, feeds eat more, excrement is more, coupled with continuous rainfall a few days ago, the water quality quickly changes, this time it should promptly change the water, but Zhao Yong apparently did not do so. It seems that the frequency of Huanghua’s changing water is also related to its intake.

Why did this carp get sick, Zhao Yong understood it, but how did he treat it?

Early discovery and timely use of antiviral drugs spilled, such as antivirus vanguard, in addition to the use of vitamins, multivitamins for internal and external use,

Expert Tip: The treatment of enteritis hemorrhagic syndrome, Quanchiposa "antivirus Pioneer" for two days, the concentration of 3 ml per cubic meter of water. On the third day, Quanchiposa "Yinbao silver iodine" concentration is 2ml cubic meters of water, in addition to the use of internal medication in the feed, the amount of added "virus clear" 10 grams per kilogram of feed, Jinwei him 10 grams, Rotten skin scattered 10 grams, used in conjunction for five days.


Like this treatment, the general medication will improve in three days. As the saying goes, raising fish to raise water first, the quality of the water is good or bad, but it is directly related to the health of the Astragalus. Like draconian disease, hydromycosis, etc. are all caused by water quality. In order to prevent accidents or not, the safest way is to change the water frequently, especially in the summer, but Zhao Yong is a bit embarrassed:

What is the solution to my poor water supply?

Originally, Zhao Yong’s breeding pond was built in an abandoned factory. Since there was no water to live in, often there was no water, and once again, he used tap water. If there was too much water, the economy would not be able to get it. Ah, the problem of water could not be solved. This Huang Huan can't hold it. Is there any way to achieve the best of both worlds?

This can also work by regularly spilling light and bacteria.

This is a photosynthetic bacterium, which penetrates into the water and can kill and suppress pathogenic microorganisms and harmful substances in the water, thereby purifying water quality.

As we generally cultivate in a cement pool, we can splash it once every seven days. If we breed in a cage, we can splash it once every half a month.

The water is clean, and the jaundice can live comfortably and enjoy the fun! In addition, Wang Taixin also provided Zhao Yong with a prescription for the prevention of rickets: 5 to 10 grams of “Kingvete” per kilogram of material and 3-5 grams of detoxified heparin. The virus cleared 2-3 grams. Give them three days every half month. This can effectively prevent the occurrence of various types of rickets.

In fact, if we want to make Huang Fei raise the fat and health to make a lot of money, the concept of “prevention over treatment” must always be kept in mind. This is also Wang Daxin's most profound experience in raising eels for more than 10 years.

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