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Catching Methods and Technical Key Points for River Eels
There are several methods for catching river eels in rice paddies. Before catching the eels, the water level in the paddy field can be lowered in advance to artificially create oxygen deficiency, and then new water can suddenly be added. When the river eels gather at the water inlet swimming against the current, they can be surrounded and caught with a net. Another method is to stop feeding for one day before catching; when catching, use fresh feed to lure the eels to gather at the feeding site, then set the net to surround and catch them. Finally, the pond can be drained to catch them all thoroughly, and after temporary rearing by size specification, they are ready for sale.
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Six precautions for catching adult fish during high-temperature periods
Production practice has proven that catching adult fish during the hot season should be done at night or in the early morning (before dawn), when the temperature is relatively lower, which helps keep the fish fresh. When catching, the following points should be noted: 1. If using a seine net to catch, preparation work should be done during the day, clearing away debris on the water surface of the fish pond that hinders seining. 2. If using a soft vinylon fishing net, the height of the net should match the water depth of the fish pond as closely as possible. If using a nylon net to catch adult fish in a relatively large fish pond, the mesh size should be about 8 cm; this way
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Yellow croaker is most nutritious when eaten in summer, don't miss the seasonal catch
Eating fish is also a matter of season. Professor Wang Cunxin, a fish expert at the Institute of Oceanology, Chinese Academy of Sciences, suggests that right now, fish nearing their spawning season, such as yellow croaker, are the top choice for summer. It is currently the spawning season for large yellow croaker, small yellow croaker, chub mackerel, Spanish mackerel, as well as salmon and turbot, so summer is the best time to eat these fish. Professor Wang explains that different fish have different spawning seasons, spread across different seasons. When fish are nearing their spawning season, they have accumulated a lot of fat and nutrients in their bodies, becoming plump and firm, so the flesh tastes the most delicious, with
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How can fish injuries be avoided when catching fish in cold seasons?
Influenced by China's traditional farming model, the cold season is the main period for catching fish, either harvesting adult fish for market at this time, or catching fingerlings for stocking. Whether the catching method is correct has a certain impact on the next stage of farming, and improper catching can easily cause fish diseases. To ensure the smooth progress of the next stage of farming, the following issues should be noted when catching fish: Before catching, pay attention to removing debris. Before catching, be sure to remove debris around the pond and in the pond, such as branches, weeds, etc., to ensure the
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Precautions for Catching and Sorting during the Separate Rearing of Adult Eels
1. Catching adult eels for separate rearing There are two catching methods. In larger eel ponds, net catching is generally used; in smaller ponds or concrete-structured eel ponds, the pond water can be drained directly and the eels placed into an eel collection net cage. With the net catching method, feed is used to attract the eels to the feeding area, and when most of the eels have gathered in the feeding area, the feeding area is surrounded with a net and the net is lifted at the feeding area. The caught eels are gathered in a long eel collection box. The long box should be positioned on one side of the eel pond where sorting operations are convenient, and at a distance of 3 to
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Prevent Fish from Catching Cold When Stocking Fish in Autumn
Autumn is the golden season for stocking large numbers of silver carp, grass carp, black carp, bighead carp and other fish species into reservoirs. But many fish farmers have found that, often within 2 to 7 days after stocking, sick and dead fish are seen swimming on the reservoir surface. These sick fish lose their skin luster, their body surface mucus increases, and in severe cases they become paralyzed, rigid and die. The above symptoms are typical of a "cold," mainly caused by drastic changes in water temperature, in which the nerve endings in the fish skin are strongly stimulated and the internal organs' activities become disordered, with a mortality rate as high as 20% to 60%. Fish species are transported from the fish pond to
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A Complete Analysis of Snake-Catching Methods and Key Points
Snakes should be sought according to their habitat environment, their activity patterns, and the timing of their molting, and the best snake-catching method should be chosen to catch them; this not only makes snakes easier to find but also easier to catch. There are many methods of catching snakes, and when catching snakes one must be careful and cautious to prevent snakebite injuries. Here are several commonly used catching methods. 1. Finding snake burrows. Snake catchers can use snake excrement and shed skins as guides, that is, near snake feces or shed skins their habitat can be found. After late autumn each year, the activity of various snakes gradually decreases; in winter, when the weather turns cold, snakes enter caves to coil up and hibernate, and this is a good time to catch snakes. Snake burrows are generally in high field ridges, beside ponds, or in holes in mounds of earth; sometimes snakes hibernate in old rat holes on slopes or beside water. The way to identify a snake burrow is that the entrance is smooth and faces south or east, rarely west. Based on the amount, color, and shape of snake feces outside the burrow, the number and species of snakes inside can be determined; for example, cobra feces is yellow-green, in strips or segments; banded krait feces is gray-mud colored, contains scales, and is in a rotting heap; many-banded krait feces is black and rather scattered, sometimes with scales found in it; gray rat snake feces is green-white, loosely rotting and in strips; oriental rat snake feces is mud-white and granular, resembling rat feces; and beauty rat snake feces is strip-shaped in a "zigzag" pattern. After confirming that there is a snake in the burrow, the method of luring the snake out of the burrow can be used to catch it. The following methods are usually used to lure snakes out of their burrows.
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What are the snake-catching methods by species? A detailed guide to snake-catching techniques
Snakes should be caught by searching for them according to their habitat environment, their activity patterns and their molting timing, and the best snake-catching method should be chosen, which not only makes snakes easier to find but also easier to catch. There are many methods of catching snakes, and when catching snakes you must be careful and cautious to prevent snakebite. Several commonly used capture methods are introduced here. 1. Finding snake burrows Snake catchers can use snakes' excrement and shed skins to lead the way, that is, their habitat can be found near snake droppings or shed skins. After late autumn each year, the activity
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How to Catch Natural Eel Fry? Three Methods Explained
There are mainly three fishing methods: 1. Stake net. The stake net is trumpet-shaped, generally 9 m long with a mesh circumference of 6-7 m, and can be woven from polyethylene twine. It gradually narrows from the mouth to the rear end, and the tail end of the mouth is connected to a floating fry collection box. The mesh of the fry collection box is 50-60 mesh. The stake net should be fixed on the beach far from the sluice gate, and it collects and catches eel fry with the tide. It can be harvested during both the rising and falling tides. With two people working, one rows a small boat, and the other regularly lifts the fry collection box with a small white porcelain basin, scoops out the eels
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