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Method for Cultivation and Synchronous Collection of Iso-Nereids

A technology for double-toothed nereids and nereids, which is applied in the direction of animal husbandry and the like, can solve the problems of different nematodes ovulation and oviposition, asynchronous embryonic development, inconvenient management of seedling breeding, and prolonged collection time, etc. It is convenient for seed breeding management, easy selection, and the effect of improving gamete quality

Active Publication Date: 2016-04-27
盐城丰悦源钓饵有限公司
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Problems solved by technology

Therefore, it is necessary to collect the bodies of Nereis worms at night, which is not only inconvenient to operate, but also due to the prolonged collection time, some bodies of Nereis worms have ejaculated and laid eggs before being caught. The growth is also not synchronized, making it difficult to manage seedlings

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  • Method for Cultivation and Synchronous Collection of Iso-Nereids

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Embodiment

[0023] 1. Cultivation pond design: On April 5, 2013, the cultivation pond was excavated according to the specifications of 3m in width and 50m in length, plowed for about 20cm, and 10cm of seawater was stored after raking, and the salinity of the water body was about 25.

[0024] 2. Selection of parent clamworms: On April 10, 2013, at a temperature of 10°C to 15°C, 37,500 clamworm-clad individuals with a weight of more than 3.0 g and no disabilities were selected, with an average weight of 3.37 g / piece.

[0025] 3. Breeding method and management: the selected clamworms are divided into 250 / m 2 The density is stocked in the cultivation pond; when the highest water temperature reaches 15°C, feed clamworm compound feed once a day at the highest temperature at 1% to 2% of body weight; The amount of ~6% is divided into two times to feed the clamworm compound feed, 3% to 4% before dark, and 1% to 2% after dawn; the water is changed once every 24h to 72h.

[0026] 4. Simultaneous co...

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Abstract

The invention relates to a method for perinereis aibuhitensis heteronereis cultivation and synchronous collection and belongs to the technical field of aquaculture offspring seed breeding. The method is characterized by mainly comprising the steps of cultivation pool design, homo-nereis selection, breeding methods and management and heteronereis synchronous collection. Heteronereis cultivated by the method can all reach over 2.0g, not only is the brood amount improved, but also gametal quality is improved to a certain extent; simultaneously synchronous collection of the perinereis aibuhitensis heteronereis is achieved, the problem that part of heteronereis discharge sperm and lay eggs is solved, collection at night is replaced with collection in the daytie, and not only is heteronereis collection operation convenient, but also offspring seed breeding after the heteronereis collection operation is also greatly facilitated.

Description

technical field [0001] The invention relates to a method for cultivating and synchronously collecting the bodies of clam worms and clam worms, and belongs to the technical field of aquaculture seed breeding. Background technique [0002] Perinereis aibuhitensis belongs to Nereididae (Nereididae) in zoological classification, Perinereis (Perinereis), commonly known as sea centipede, sea leech, etc., is mainly distributed in my country, and is one of more than 80 species of sandworms in China. Silkworms are larger in size, faster in growth, and have the largest amount of biological resources. They are distributed in middle and high tide beaches from south to north along the coast of my country. They are the main representative and dominant species of polychaetes in the intertidal zone. The most important species for breeding and exporting foreign exchange. Because it is widely used in food, medical care, aquaculture and fishing, the demand in domestic and foreign markets is ver...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K67/033
Inventor 吕富王资生王爱民刘飞吕林兰於叶兵乔帼张明明周润森张猛猛
Owner 盐城丰悦源钓饵有限公司
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