"Clear water seedlings, stable water aquaculture", the new model leads the high pond shrimp farming to stabilize production and make a lot of money
Text/Aquatic Frontier Internship Editor Wang Yao
What is the biggest headache for shrimp farming in high ponds? Steady water, of course! The difficulty of raising shrimp in high ponds to stabilize water is already an indisputable fact in the industry, raising shrimp first raises water, if the water is not good, how can shrimp be healthy? But the high pool algae phase changes quickly, thick and thin, it is possible that today's good pool of water, the next day will pour algae, cyanobacterial water, "soy sauce water" this bad algae breeding situation is more, even if the author sees these situations will feel heart-wrenching, not to mention these shrimp farmers? Unstable water quality tests the psychological endurance of shrimp farmers all the time. The shrimp caused by poor water quality are weak and sickly, and the survival rate is greatly reduced, all of which impact the fragile nerves of shrimp farmers! Recently, the author in the Xiapu area visit but saw a new model to deal with the instability of high-level pool water quality - "clear water seedlings, stable water mode", praise is overwhelming, let's take a look at this magical model.
"Steady Water Mode" User Xie Xiaorong (Middle)
Xie Xiaorong, a farmer in Xiapu, Fujian Province, chose to use high-level shrimp ponds for many years because the high yield of high-level ponds can bring considerable economic benefits, and now he is one of the advocates of the "stable water model". With 33 ponds, a total of 35 acres of water surface Xie Xiaorong in the past two years of average mu yield of more than 8,000 jin / mu, the highest mu yield can reach more than 10,000 jin / mu, and the success rate is stable, when the author asked Xie Xiaorong the secret of successful breeding, Xie Xiaorong replied: "First of all, this model of water body stability, shrimp physique, followed by a good breeding plan, and finally to pay attention to management, the breeding process is interlocked, where can not be relaxed!" ”
According to Xie Xiaorong, the "stable water mode" of "clear water seedlings" is not actually clear water in the true sense, but through the "shading" treatment, to ensure that the algae phase in the water does not change much. Xie Xiaorong said: "After the shrimp fry are launched, the most feared thing is the large fluctuation of the water quality environment, and algae is one of the important factors that cause water quality fluctuations, 'shading' treatment, to achieve the purpose of not letting algae erupt in growth, in order to stabilize the water body." In the conversation with Xie Xiaorong, the author learned that the "shading treatment" is actually the use of sodium humic acid and plant pigments to shade the light of the water body, thereby suppressing the algae in the water, so that it is in a suitable concentration but energetic state, of course, with the progress of aquaculture, the algae in the water body will continue to multiply and increase, so the "shading" treatment needs to be accompanied by the entire breeding process according to the changes in the water body, and the water color can also be adjusted by different shading substances when the harmful algae grow in the later stage. Overweight water will inevitably be accompanied by dead algae, and the carcass of algae will become a "hotbed" for Vibrio, and controlling the concentration of algae actually controls Vibrio to a certain extent, which is also one of the benefits of this model.
Sodium humic acid
Then since the choice to suppress algae, if you want to maintain the water system of the entire shrimp pond, you must mainly use the fungal phase, regularly replenish the bacteria, regularly supplement the carbon source, so that the fungal phase becomes the dominant position, then some people will ask: "The supplementary carbon source is actually providing nutrition for Vibrio, what should vibrio do?" "Therefore, the bottom reform is a work that must be carried out regularly, so is this form of killing and replenishing bacteria not a waste of resources?" If you think about it carefully, it is not, persulfite or chlorine dioxide are broad-spectrum fungicides, good and bad bacteria will be killed to a certain concentration, and balanced down, at this time we supplement beneficial bacteria into it, help it form a dominant population, Vibrio is suppressed, long-term maintenance of this operation can make beneficial bacteria have been in a dominant position, Vibrio disease naturally will not erupt.
Zheng Shufa, user of "steady water mode" (second from the left)
Having said all this, do you think that this model is too complicated and needs to pay attention to too many details? In fact, the author also visited a shrimp farming "to simplify" the farmer Zheng Shufa, he is also one of the supporters of the "stable water model", Zheng Shufa once had the most headache for shrimp farming is the shrimp body fluctuations caused by the shrimp physique is not good, the interview Zheng Shufa said to the author: "Shrimp first raise water, water is good shrimp, since the use of this model, shrimp farming has become relaxed, this model as long as the operation of the norms, the water body has been very stable, shrimp physique is particularly good, even if there is a disease situation, The probability of rescue and recovery is also much greater than in the past, and this model is actually very easy to understand, just like driving the steering wheel, the water is too thick to use sodium humic acid, and the water is too dark to use plant pigments. ”
Zheng Shufa is to use such a vivid example to understand the "stable water" model, he also put the daily operation process, 4 days for a cycle, the first day of casting spores + photosynthetic + calcium supplement products + brown sugar; the second day of casting EM bacteria; the third day of lactic acid bacteria; the fourth day of the bottom change (per sulfur or chlorine dioxide), so that 4 days a cycle, the later shrimp after the bottom change more frequently, the middle according to the water color "shading" treatment, still the shrimp successful, and easy and not tired, 300,000 tails / mu density, can yield 7,000 pounds per mu.
This model has been promoted in Fujian Province, and the recognition is very high, many farmers, especially the younger shrimp farmers are very respectful of this model, that look at so much, what do you think about this model, welcome to discuss the message in the comment area.
【Keywords】:Shrimp farming mode aquaculture