Greenhouse larva breeding method for Macrochium rosenbergii

A technology of Macrobrachium rosenbergii and greenhouses, applied in the field of Macrobrachium rosenbergii greenhouse seedlings, can solve the problems of low survival rate, low breeding output, and unfavorable batch stocking.

Inactive Publication Date: 2017-07-14
扬州市嘉丰罗氏沼虾良种繁殖有限公司
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Problems solved by technology

[0002] The stocking time of Macrobrachium rosenbergii in Jiangsu area at room temperature is after May 15th. The breeding time of Macrobrachium rosenbergii is relatively short, and the aquaculture output is not high; the uncultivated juvenile shrimp are not large in size, and they can avoid predators, adapt to the environment and resist diseases. The ability is no

Method used

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Examples

Experimental program
Comparison scheme
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Example Embodiment

[0030] A method for raising seedlings of Macrobrachium rosenbergii in a greenhouse includes the following steps:

[0031] (1) Construction of juvenile shrimp breeding pond:

[0032] 1) Cultivation pond (large shed ditch): In the adult shrimp breeding pond, choose the leeward to the sun and excavate the shed ditch near the water source. For the convenience of construction and future management, as well as supporting the greenhouse materials, the suitable size of the cultivation pond is: opening width 5 ~7 meters; depth 0.9~1.1 meters, digging down 0.6~0.9 meters, polder height 0.2 meters; slope 0.9~1∶1.5; length depends on the size of the breeding pond, the length of the 20 mu pond cultivation pond is about 120 meters;

[0033] 2) Construction of the greenhouse: use steel pipes or bamboo sheets to build a scaffold on the cultivation pond, and fix it with iron wires and nylon ropes. The height of the greenhouse is 1 to 1.2 meters;

[0034] 3) Heating furnace assembly: the hot water of t...

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Abstract

The invention relates to a greenhouse larva breeding method for Macrochium rosenbergii. According to the invention, through building of a breeding pond for Macrochium rosenbergii, disinfection, cleaning and preparation of the breeding pond, planting of aquatic plants, application of a base fertilizer, larva stocking and feeding management, Macrochium rosenbergii larvae are bred into young Macrochium rosenbergii with strong adaptive capacity and large size by careful feeding management in a short period of time; and breeding of adult Macrochium rosenbergii is then performed. The invention has the following advantages: the survival rate of the Macrochium rosenbergii larvae is improved; the adaptive capacity of the young Macrochium rosenbergii is strong; the yield of breeding is increased; the cost of breeding is reduced; and the young Macrochium rosenbergii has strong physique and good decrease resistance.

Description

technical field [0001] The invention relates to a method for growing seedlings of Macrobrachium rosenbergii, in particular to a method for raising seedlings of Macrobrachium rosenbergii in greenhouses. Background technique [0002] The stocking time of Macrobrachium rosenbergii in Jiangsu area at room temperature is after May 15th. The breeding time of Macrobrachium rosenbergii is relatively short, and the aquaculture output is not high; the uncultivated juvenile shrimp are not large in size, and they can avoid predators, adapt to the environment and resist diseases. The ability is not strong, the survival rate is not high, and the cost is relatively high. Without intermediate cultivation, the survival rate of juvenile shrimp varies greatly, it is difficult to estimate correctly, and the production plan cannot be guaranteed; conventional breeding is not conducive to stocking in batches, and relieves the pressure on shrimp fry. Contents of the invention [0003] In order t...

Claims

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Application Information

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IPC IPC(8): A01K61/59A01K61/80A01K63/00A61L2/18A61L101/06A61L101/02
CPCA01K63/00A61L2/18Y02A40/81
Inventor 张爱英黄旭雄戴习林舒琥张宇飞王飞陈雪峰尤洋高强吴年红
Owner 扬州市嘉丰罗氏沼虾良种繁殖有限公司
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