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It is too important to supplement the aquaculture water body. How many farmers are not clear
Release time:
2021-10-20
It is too important to supplement the aquaculture water body. How many farmers are not clear
Water is an object that changes dynamically at any time, and there are many factors that affect its changes, such as weather, tides, temperature and other natural factors, which we cannot control. We can only build greenhouses (adjust water temperature), live bacteria (adjust water quality)... And other methods to build a good ecological environment of the pond.
In the middle and late stages of breeding, the increase in feeding, feces, residual bait, oxygen consumption and other factors that endanger water quality arrangements will increase, which will hinder the regulation of water quality. So how can we improve the ability to regulate water? Today we come together to understand the key words in water quality control carbon and nitrogen ratio.
In the breeding process, if you want to adjust the carbon-nitrogen ratio, you must know the source of the carbon-nitrogen ratio and the source of these two substances in order to effectively use effective water regulation.
Nitrogen source:There are many sources of nitrogen, which generally do not need to be added deliberately. For example, the residual bait and feces of prawns are important sources of nitrogen sources. These nitrogen sources are enough for shrimp farming, and may also cause the total nitrogen in the water body to be ultra-high, thereby causing nitrite and ammonia nitrogen to exceed the standard. Therefore, to control the carbon-nitrogen ratio, we generally do not consider adding nitrogen sources.
Carbon source:In the process of shrimp farming, it is very important to supplement the carbon source, especially in the pond with high protein feed. The higher the protein, the more severe the carbon source is consumed in the pond, and the less the carbon source is. Therefore, farmers are reminded to supplement carbon source in time when using high protein feed.
So what are the carbon sources? The common is to add sugar to the water body, the water body to add carbon sources, common brown sugar, glucose, starch, rice bran and so on.
In the process of breeding, the correct supplementary nitrogen source can be beneficial to the stability of the pond microsystem.
Some farmers will say, isn't adding carbon source by pouring brown sugar? This is very simple! In fact, this method of rapid carbon supplement seems to be very effective, but in high-density farming, this method of rapid carbon supplement (sugar addition), sugar is quickly consumed by the water body, so it has little effect on improving the carbon-nitrogen ratio.
Once the nitrogen source is depleted, the water body will pose a risk of decanting bacteria. This shows that carbon supplement is not a simple splash, we must pay attention to the way.
In the process of breeding, carbon and nitrogen elements determine the growth and reproduction ability of bacteria,
The growth rate of Bacillus was the fastest in the case of carbon to nitrogen ratio of 15:1.
Lactic acid bacteria in the carbon and nitrogen ratio in the case of 10:1 growth rate faster.
Vibrio grew faster at lower C/N ratios.
The above data show that bacillus, lactic acid bacteria and other beneficial bacteria in the appropriate carbon and nitrogen ratio, can quickly grow as the dominant flora, through the competition of space and nutrients, to achieve the purpose of inhibiting harmful bacteria (Vibrio).
The company's products-bacteria algae carbon source
This product is the whole fermentation of yeast carbon source, rapid absorption, effectively improve the water carbon nitrogen ratio, under which circumstances the use of this product has a better effect?
1. Difficulty in water and fertilizer (using a lot of water and fertilizer cream still can't afford water color)
2. Insufficient number of green algae and diatoms
3.EM, lactic acid bacteria, bacillus number is insufficient
4. Overproduction of Vibrio (Vibrio parahaemolyticus)
5. Crab and lobster pond aquatic plants have poor vitality
6. Natural bait for filter-feeding fish
In aquaculture,The carbon-nitrogen ratio needs to be increased to 10:1 or more than 10:1 to effectively improve the growth of beneficial bacteria such as Bacillus and lactic acid bacteria.The formation of an environment that is not conducive to the growth of harmful bacteria (Vibrio) is very beneficial for farming.
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