Egg reproduction nest of odontobutis obscuras intercropped in crab pool
The technology of sand pond snakehead and nest is applied in the field of equipments for cultivating economic fish in crab ponds, which can solve the problem of low cultivating yield and so on.
Inactive Publication Date: 2015-04-22
王桂民
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Problems solved by technology
In the existing crab ponds, there are almost no places suitable for the breeding of Channa macarina, which is the main factor leading to the low production of Channa mongolia interculture in crab ponds
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[0015] A kind of spawning and breeding nest of sand pond snakeheads nested in crab ponds, such as Figure 1 ~ Figure 3 As shown, it is made up of oviposition breeding nest plate 1, heat-absorbing anti-sight film 2, end guardrail 3, artificial imitation aquatic plants 4 and pond bottom 5, and described oviposition breeding nest plate 1 is pressed by transparent plastic, and it can Directly receive light energy to provide a suitable temperature for fish eggs to attach, hatch and breed in the future; strip cave grooves 11, reverse sound insulation grooves 12 and concave-convex structures 13 are provided on the spawning and breeding nest plate 1, strip cave grooves 11 and Reverse soundproof grooves 12 are arranged in parallel at intervals, the cross-sectional shape of the strip-shaped cave groove 11 is arc-shaped, the width of the arc-shaped notch is 18-20 mm, and the depth of the arc-shaped groove is 15-20 mm; the concave-convex structure 13 is arranged on the inner surface of th...
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The invention relates to an egg reproduction nest of odontobutis obscuras intercropped in a crab pool. The egg reproduction nest comprises an egg reproduction nest plate, a heat-absorbing vision-preventing film, an end face guard bar, artificial waterweeds and a pool bottom, wherein the egg reproduction nest plate can directly absorb light energy and provides a proper temperature for attachment and propagation of eggs in future; bar-shaped nest grooves provide independent spaces for egg reproduction and propagation of each odontobutis obscura; reverse sound-insulating grooves provide silent and comfortable environments for the egg reproduction and the propagation of the odontobutis obscuras, which are not mutually interfered; concave-convex structures are arranged on the inner side surfaces of the bar-shaped nest grooves, so that the eggs of the odontobutis obscuras are conveniently attached; the heat-absorbing vision-preventing film is capable of absorbing light energy and preserving heat, and also capable of preventing from being found by enemy animals; light and water-transmitting holes are formed in the concave-convex structures, and sufficient dissolved oxygen is provided for the propagation and the growth of the odontobutis obscuras; the end face guard bar is capable of effectively preventing crabs from invading bar-shaped nests to cause that the odontobutis obscuras are hurt; and the artificial waterweeds are capable of preventing the enemies from entering the bar-shaped nests to devour the eggs and are capable of building a private occasion of the egg reproduction nest.
Description
Technical field: [0001] The invention relates to an aquaculture appliance, in particular to an appliance suitable for raising economic fish in crab ponds. Background technique: [0002] Sand pond snakehead is a small bottom economic fish that likes to live in lakes, rivers and ditches with fresh water quality. Because it can coexist and complement with river crabs, it is suitable for nesting in crab ponds, but the places suitable for its breeding in crab ponds are extremely Therefore, the production of sandfish in crab ponds is not high. [0003] The applicant has carried out long-term observation and research on the existing crab pond structure and the spawning and breeding habits of Channa nama, and found that Channa nada has the habit of building nests and laying eggs. The private space where snakeheads move freely usually has hidden objects such as aquatic plants at the entrance of the cave, which can not only prevent predators from swallowing fish eggs, but also create...
Claims
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IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 王桂民虞冬保周威罗明张金彪孙斌华潘明庚杨建新
Owner 王桂民