1. **Containers for Transport**
When transporting live aquatic organisms, the choice of container depends on the type of species, the distance of transport, and local conditions. Common materials include wood, fiberglass, and plastic. For example, freshwater fry and fish can be transported in fish rods, canvas buckets, wooden barrels, large bamboo baskets, plastic buckets, or even plastic bags. If you're moving a large volume and want to maintain a high survival rate, live water transport is an effective method. This involves keeping the animals in a controlled water environment during transit, which helps reduce stress and improve oxygen levels.
2. **Oxygen Supply Equipment**
(1) **Oxygen Cylinders**: These are ideal for small-scale transport. A pressure regulator is attached to the cylinder’s valve to control the flow of oxygen. A plastic tube connects the regulator to the bottom of the container, with a diffuser at the end that releases fine bubbles. This increases the surface area of dissolved oxygen in the water, ensuring better oxygenation.
(2) **Aerators**: Water-jet aerators, steel comb aerators, and jet aerators are commonly used. They not only add oxygen but also mix the water, improving circulation. Safety is important when installing these devices—always use a safety net around the aerator to prevent accidents.
(3) **Oxygenating Machines**: These systems typically involve a plastic tube placed at the bottom of the transport tank, connected to an oxygen generator. The machine releases air bubbles into the water, promoting gas exchange and increasing dissolved oxygen levels. Modern setups often use 1000W single-phase brushless AC synchronous generators for power, along with 93W or 120W electromagnetic air compressors for efficient aeration.
3. **Other Essential Accessories**
In addition to containers and oxygen equipment, several other items are crucial for successful live transport. These include pressure gauges to monitor oxygen levels, large funnels for filling containers, wooden and cardboard boxes for packaging, foam boxes for insulation, rubber hoses for connecting equipment, cotton yarns for securing items, and aprons for protection during handling. Each of these plays a role in ensuring safe and efficient transportation of live aquatic life.
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