When selecting an aquaculture site, the water supply must be thoroughly investigated and quantified, both in terms of quality and quantity, so that initial demand and anticipated future expansion can be met.

If the stress response is too strong, or the duration is too long, the cultured species will consume too much energy, resulting in a decline in body resistance. Stress itself is not a disease, but it is highly likely to be the cause of one or more diseases!

Recently, the United States Department of Agriculture (USDA) released the "2024 China Aquatic Products Report", which reveals the production and consumption of China's aquatic products industry in recent years and the future development trend.

A factory circulating water system is not simply a few farming buckets on the field, but a well-designed farming system.

In recent years, with the continuous growth of market demand and the increasing improvement of farming technology, the Mandarin fish farming industry has ushered in unprecedented development opportunities. However, at the same time of rapid development, it also faces many challenges and problems.

Factory circulating water aquaculture as a new mode of aquaculture, through scientific management, to create suitable for cultivation of biological life environment, so as to get rid of climate, land, water and other external conditions limit; The aquaculture pond is the growth space of the whole life cycle of aquaculture organisms, and it is also the key infrastructure of the circulating aquaculture system.

In recent years, large-scale factory farming in aquaculture has been on the rise. Especially since 2000, as foreign industrialized circulating aquaculture technology has begun to enter the stage of large-scale application, the research has been more in-depth, and advanced aquatic biotechnology and engineering technology have been continuously integrated and innovated and applied to this field.

Factory-scale recirculating aquaculture is a modern aquaculture method that simulates the natural ecological environment through technical means to achieve high-density, high-efficiency and low-environmental impact aquaculture. It is known as "the most promising aquaculture model in the 21st century" and is an important direction and future development trend for my country's aquaculture transformation, structural adjustment, and low-carbon green development. The following is a detailed interpret

As we all know, "recirculating aquaculture" is the model with the greatest development prospects in modern aquaculture industry, and it has distinct advantages, such as: ① recycling of aquaculture water to save water resources ② closed and controllable environment, not affected by climate ③ not affected by foreign bacteria and viruses ④ saving temperature control costs ⑤ wastewater concentration and integrated treatment, reducing costs, etc.

The flow rate should be less than the speed required to exercise the fish. The water flow rate is 0.5-2.0 times the body length/second, which is the best speed to maintain the health, muscle tone and breathing of the fish. In a circular culture pond, the water flow rate gradually decreases with the distance from the pool wall, and the fish can choose a more comfortable flow area, while the speed is uniform in the raceway-type culture pond design. Fish tend to concentrate in the front third of th