Purse net high-efficient ecological cultivation method
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An ecological breeding and high-efficiency technology, applied in the field of purse seine breeding, can solve the problems of ecological balance imbalance and eutrophication of water quality, and achieve the effects of high aquatic product quality, low breeding cost and reducing water pollution.
Inactive Publication Date: 2009-07-22
常州滆湖渔业协会
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Problems solved by technology
[0003] The method problem to be solved by the present invention is: to solve the technical problems of water quality eutrophication and ecological balance imbalance caused by the existing purse seine culture mainly based on food fish. The amount of feed, bait or fertilizer used in the whole breeding process is very small, which can make full use of the natural resources of the water body, turn waste into treasure, and turn harm into benefit, so as to reduce the cost of breeding, reduce water pollution, improve the quality of aquatic products, and increase economic benefits.
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Embodiment 1
[0008] Gehu Seine Breeding Demonstration Zone in Fishing Village, Jiaze Town, Wujin District, Changzhou City, Jiangsu Province, with a breeding area of 300 mu, 10,500 kg of silver carp with a size of 10-20 tails / kg in the upper water body; about 12 cm in the middle water body 12,000 tails of white fish in Taihu Lake, 30,000 tails of pomfret about 10 centimeters in size; 60,000 tails of Jilang fish of 8 to 10 centimeters in the lower water body, and 12,000 juvenile soft-shelled turtles of 100 to 200 grams.
Embodiment 2
[0010] Gehu Seine Breeding Demonstration Zone in Tangkou Village, Niutang Town, Wujin District, Changzhou City, Jiangsu Province, with a breeding area of 200 mu, 7,000 kg of silver carp with a size of 10-20 tails / kg in the upper water body; 50 grams in the middle water body About 8,000 red-eyed trout, 20,000 pomfrets about 10 cm in size, 40,000 yellow catfish 8-10 cm in size, and 8,000 juvenile soft-shelled turtles 100-200 g in the lower water body.
Embodiment 3
[0012] Zhaiqiao Ge Lake Seine Culture Demonstration Zone in Wujin District, Changzhou City, Jiangsu Province, with a breeding area of 100 mu, 3,500 kg of silver carp with a size of 10-20 tails / kg in the upper water body; Taihu white carp about 12 cm in the middle water body. 4000 tails of fish, 10000 tails of pomfret about 10 cm in size; 5000 tails of Changjiang squid of about 100-150 grams and 4000 young soft-shelled turtles of 100-200 grams in the lower water body.
[0013] The Fishery Management Committee regularly monitors the growth of the fish and soft-shelled turtles in the purse-seine culture demonstration areas of the above-mentioned embodiments. The results show that the growth of the fish and soft-shelled turtles is good, and there is little feed, bait or fertilizer in the water body during the entire breeding process. The natural resources of the water body can be fully utilized, which not only reduces the breeding cost of aquatic products, but also improves the q...
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Abstract
The invention relates to a purse seine cultivation method, in particular to a purse seine high-efficiency ecological cultivation method, which adopts a three-layer three-dimensional mixed cultivation method, wherein the upper layer water body cultivates silver carps; the middle layer water body cultivates Taihu whitefish or squaliobarbus curriculus first, and then cultivates catfish; and the lower layer water body cultivates hemibarbus maculatus bleeker, and leiocassis longirostris or pseudobagrus fulvidraco first, and then cultivates turtle. The method selects proper fish species and breeding density according to the eutrophication degree of the water body and the food habits and the life habits of fishes, does not put feedstuffs, baits or fertilizers into the water body in the whole cultivation process, makes full use of the water body natural resources, changes the waste into valuable and harmful into beneficial, and reduces the water body pollution, thus the cultivation cost of aquatic products is low, the quality of the aquatic products is high, and the economic benefit is good. The method solves the technical problems that most of the prior purse seine cultivation species mainly comprise the fishes which are cultivated with feedstuffs, cause water quality eutrophication to pollute the water body, and cause ecological balance disturbance.
Description
technical field [0001] The invention relates to a purse seine breeding method, in particular to a purse seine efficient ecological breeding method. Background technique [0002] Seine aquaculture is favored because of its simple and efficient fishery utilization method. At present, most of the domestic aquaculture species in peripheral nets are mainly carnivorous fish. During the breeding process, feed, bait or fertilizer are continuously put into the water body. The development of seine aquaculture is excessive. It will cause eutrophication of water quality and pollute water bodies, resulting in imbalance of ecological balance. Contents of the invention [0003] The method problem to be solved by the present invention is: to solve the technical problems of water quality eutrophication and ecological balance imbalance caused by the existing purse seine culture mainly based on food fish. The amount of feed, bait or fertilizer used in the whole breeding process is very smal...
Claims
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