Mandarin fish large-scale artificial selective breeding method

A selective and mandarin fish technology, applied in fish farming, climate change adaptation, animal husbandry, etc., can solve the problems of low survival rate, low seed quantity, high price, small production scale, etc., and achieve rapid growth of seedlings, Improve the survival rate, the effect of neat specifications

Active Publication Date: 2017-09-01
FISHERIES RES INST ANHUI ACAD OF AGRI SCI
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AI Technical Summary

Problems solved by technology

[0004] In my country, mandarin fish are fed with live fish, which leads to a high feed rate, wastes the effective use of water surface resources, and seriously hinders the development of mandarin fish production.
At the same time, there is no standard procedure for the selection of palatable bait at different stages, which is not only not conducive to the growth of mandarin fish, but also greatly consumes bait fish resources
[0005] 2. The survival rate of seedling cultivation is generally low
[0006] Although the mandarin fish artificial bree

Method used

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Embodiment Construction

[0031] A large-scale artificial selective breeding method for mandarin fish, the steps are as follows:

[0032] Step 1) Parent cultivation

[0033] 1.1 Parent selection

[0034] Mandarin Chinese parents selection requirements, 2 + Age and above, with a weight of 1.2kg or more, no injury, no disease, perfect body shape.

[0035] 1.2 Parent stocking

[0036] After choosing the parent, press every 667m 2 Put 60~80kg of the parents of mandarin fish.

[0037] 1.3 Cultivation pond area

[0038] The pond area is 1334m 2 Appropriate.

[0039] 1.4 Plenty of live bait

[0040] Supporting 250kg / 667m 2 Tasty bait fish. The required specifications are 50 bighead carp / kg and crucian carp 30 / kg. The bait fish is non-injured and disease-free, and is placed after strict disinfection.

[0041] 1.5 Spring cultivation

[0042] After the beginning of spring, you should pay attention to the changes in water quality, and flush the water at the right time to keep the water fresh and rich in oxygen. In March, flush...

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Abstract

The invention provides a mandarin fish large-scale artificial selective breeding method, and relates to the technical field of mandarin fish breeding. In Anhui Province, aboriginal mandarin fish type resources are rich, the breeding modes are diversified, the breeding distribution is wide, the fry requirement quantity is large, and to develop Anhui aboriginal mandarin fish artificial selective breeding, key technologies of mandarin fish parent selection, cultivation, induced spawning and fry cultivation, disease prevention and control and the like are studied to promote the development of the mandarin fish industry. Through the adoption of the technologies, the mandarin fish survival rate can be increased, the survival rate reaches up to 80%, the fry bodies are rapid in growth, and can grow by 1cm every 3 d, the specification is neat, the vigor is high, the constitution is good, and fry can easily grow in large scale.

Description

Technical field [0001] The invention relates to the technical field of mandarin fish breeding, in particular to a large-scale artificial selective breeding method of mandarin fish. Background technique [0002] Mandarin fish, also known as mandarin fish, osmanthus osmanthus, mandarin fish, octopus, siniperca siniperca, siniperca chuatsi, crucian carp, etc., is a kind of edible fish at home. Its meat is delicate, delicious, high in protein content, and has the effects of replenishing weakness and replenishing the spleen and stomach. It is a valuable aquatic product with high economic value and has always been a favorite of people. However, due to the construction of water conservancy projects in various places, water quality pollution, and the habit of mandarin fish to swallow live fish and shrimps, they are removed and restricted as ferocious predators in natural water aquaculture, which reduces the amount of natural resources year by year. Since the 1980s, many areas of my coun...

Claims

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Application Information

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IPC IPC(8): A01K61/10A01K61/13A01K61/17A23K50/80A23K10/22
CPCA01K61/10A01K61/13A01K61/17A23K10/22A23K50/80Y02A40/81Y02A40/818
Inventor 侯冠军季索菲蒋业林胡玉婷段国庆赵秀侠呙明跃徐伟芮叶
Owner FISHERIES RES INST ANHUI ACAD OF AGRI SCI
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