Method for improving water quality of cyprinoid breeding pond

A carp culture and pond technology, which is applied in the field of carp culture, can solve the problems of loss of nutrients in ponds, pollution of the surrounding environment of aquaculture sewage, increase in culture costs, etc., and achieve the effect of improving water quality and environment.

Inactive Publication Date: 2017-12-29
HEILONGJIANG RIVER FISHERY RES INST CHINESE ACADEMY OF FISHERIES SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The present invention aims to solve the problem of loss of nutrients in ponds caused by a large number of water changes, increased breeding costs, serious pollution of the surrounding environment caused by breeding sewage, and the addition of exogenous microecological agents or other chemical water quality in the water quality control process of some carp breeding ponds. Regulators have poor technical problems in regulating water quality, and provide a method to improve water quality in carp breeding ponds

Method used

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  • Method for improving water quality of cyprinoid breeding pond
  • Method for improving water quality of cyprinoid breeding pond
  • Method for improving water quality of cyprinoid breeding pond

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specific Embodiment approach 1

[0019] Specific embodiment one: present embodiment a kind of method for improving the water quality of carp culture pond, specifically carry out according to the following steps:

[0020] 1. Evenly place microporous aeration trays in the pond at a density of 3 per mu. At the same time, each pond is equipped with an aerator; for 14 days in a row, from 22:00 to 6:00 in the morning of the next day, turn on the microporous aeration plate; then add carbon source, put fish in a suitable place to breed; wherein carbon source is molasses and starch;

[0021] 2. Add a carbon source to the pond every 2 to 3 weeks, and turn on the aerator when adding; wherein the carbon source is molasses and starch; the amount of molasses added A is based on the formula A=H×S×(30×C TAN-N -19) / 1000 calculation, the unit of A is kg; the amount of starch added B is based on the formula B=H×S×(15×C TAN-N -5) / 1000 calculation, the unit of B is kg; where H is the depth of the pond, and the unit of H is m; S ...

specific Embodiment approach 2

[0023] Embodiment 2: The difference between this embodiment and Embodiment 1 is that in Step 1, the position of the microporous oxygen-increasing plate is 15-20 cm from the bottom of the pool. Others are the same as in the first embodiment.

specific Embodiment approach 3

[0024] Embodiment 3: This embodiment differs from Embodiment 1 or Embodiment 2 in that: in Step 1, the diameter of the microporous oxygenation disc is 0.8 m, and the length of the microporous oxygenation tube is 8-10 m. Others are the same as in the first or second embodiment.

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Abstract

The invention provides a method for improving water quality of a cyprinoid breeding pond, relates to a cyprinoid breeding method, and aims to solve the problems that in a water quality regulation and control process of some cyprinoid breeding ponds, due to change of a large amount of water, nutrient substances of the ponds are lost, the breeding cost is increased, breeding sewage severely pollutes a surrounding environment, and the water quality regulation and control effect of an added exogenous microbial ecological agent or other chemical water quality regulation and control agent is poor. The method comprises the following steps: firstly, arranging a micropore oxygenation device, enabling the micropore oxygenation device to run continuously before stocking of fishes, then adding a carbon source, and pushing the fishes in a suitable place to breed; secondly, adding the carbon source according to models; and thirdly, breeding, feeding the fishes with feed, and controlling dissolved oxygen in water. On the basis of no change of breeding water, methods of arranging the oxygenation device manually, controlling disturbance to bottom mud of the pond manually, manually adding carbohydrate and the like are used together, and therefore, harmful nitrogen sources including ammoniacal nitrogen, nitrite nitrogen and the like in the breeding pond are reduced. The method is used for improving the water quality of the cyprinoid breeding pond.

Description

technical field [0001] The invention relates to a method for carp breeding. Background technique [0002] In high-density intensive pond culture of carp, harmful substances such as ammonia nitrogen and nitrite nitrogen accumulate in large quantities, causing serious harm to farmed fish. At present, the methods for water quality control of carp culture ponds are mostly to improve the water quality of ponds by adding one or several exogenous microecological agents to the culture ponds, except for a large number of water changes. However, the results are often not optimistic, and sometimes even Seriously endanger the growth of pond cultured fish. In fact, no matter what kind of microecological preparations, they are just bacteria that need a specific living environment. Like other bacteria, they can only grow and reproduce normally in an environment that can meet their physiological characteristics, and can play their limited role. It is impossible for any probiotics to exert...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/02C02F3/34C02F7/00A01K63/04A01K61/10C02F101/16
CPCA01K61/10A01K63/04A01K63/042C02F3/02C02F3/34C02F7/00C02F2101/16C02F2101/166C02F2305/06Y02A40/81Y02W10/10
Inventor 赵志刚徐奇友罗亮王常安李晋南王连生都雪
Owner HEILONGJIANG RIVER FISHERY RES INST CHINESE ACADEMY OF FISHERIES SCI
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