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Live fish can be transported by methods which range from simple artisanal methods where fish are placed in plastic bags with an oxygenated atmosphere, to sophisticated systems which use trucks that filter and recycle the water, and add oxygen and regulate temperature.
Mechanical cutting is the most common method of aquatic plant harvesting. This is an efficient method that can cover a large area. Removing large amounts of plants from the water can have a positive impact on the daily oxygen levels in shallow aquatic environments. [9]
Fish to be cured are usually first cleaned, scaled, and eviscerated. Fish are salted by packing them between layers of salt or by immersion in brine. The fish most extensively salted are cod, herring, mackerel, and haddock.
An aquatic weed harvester, also known as a water mower, mowing boat and weed cutting boat, is an aquatic machine specifically designed for inland watercourse management to cut and harvest underwater weeds, reeds and other aquatic plant life.
cured fish. Fish preserved by fermentation, pickling, smoking, or some combination of these techniques. curing. Any of a wide variety of food preservation and flavoring processes used for foods such as meat, fish, and vegetables, by the addition of a combination of salt, nitrates, nitrite, or sugar.
Salting of fish as a slaughtering (killing method) is only applicable to freshwater species. Exsanguination without stunning. Exsanguination is the process whereby an animal is cut so that it bleeds to death. Fish are cut in highly vascular body regions, and the process is stressful unless the animals are unconscious.
It is adapted to catch fish during tidal cycles in mangrove environments with large water level fluctuations. It consists simply of a series of poles built into the substrate surrounding a mangrove area.
Maceration is an unsuitable method to clean the bones of a fish, as they have a poorly articulated, pliable skeleton. Process Skeleton of swine prepared by bone maceration. In the process of maceration, the carcass is first skinned and defleshed by hand as much as is practical, and all internal organs are removed. In this process, extra care is ...
The open net pens system is a method that takes place in natural waters, such as rivers, lakes, near the coast or offshore. The breeders rear the fish in large cages floating in the water. The fish are living in natural water but are isolated with a net.
Traditionally, techniques such as drying, salting and smoking have been used, and have been used for thousands of years. These techniques can be very simple, for example, by using solar drying. In more recent times, freeze-drying, water binding humectants, and fully automated equipment with temperature and humidity control have been added ...