How Are Delicious Crabs Farmed? A Detailed Explanation of Farming Methods
Whether crabs taste good depends not only on the chef's skill but also on how they were farmed. If the farming process is not done well, it may make the crab meat unpalatable, or result in crabs that are all shell and nothing else. A crab that looks very large may turn out to be nothing but hard shell when you eat it, and you will never want a second bite.
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So how do you ensure crabs have plenty of meat, little shell, and can still grow very large? Today, Xiaobian Baobao will chat with everyone about how to farm delicious crabs:
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The growth cycle of a crab is generally about one year. During this period, the first thing we need to ensure is that the water source is clean. For example, some crabs contain excessive heavy metals, and eating too much of these is undoubtedly harmful to the body.
During their growth, crabs molt, and if the water contains "harmful substances" during the molting process, it will affect the crabs' molting. So nowadays many fishermen put a kind of "zeolite" into the water to filter it, so that the water achieves a clean and natural effect.
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This is because zeolite has many pores inside, uniform tubular channels and cavities with a large internal surface area, and therefore possesses unique adsorption, sieving, cation and anion exchange, and catalytic properties.
It can adsorb ammonia nitrogen, organic matter and heavy metal ions in water, effectively reduce the toxicity of hydrogen sulfide at the bottom of the pond, regulate PH value, increase the dissolved oxygen in water, provide sufficient carbon for the growth of phytoplankton, and improve the intensity of water photosynthesis. It is also a good trace element fertilizer. For every 1 kg of zeolite applied in a fishing pond, 200 ml of oxygen can be introduced.
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When applied in feed, zeolite has the functions of promoting crabs' metabolism, promoting growth, enhancing disease resistance, increasing the survival rate, regulating the body fluids and osmotic pressure of animals, maintaining acid-base balance, and purifying water quality. It also has a certain anti-mold effect.