CN103609487A

CN103609487A - Sturgeon culturing method

Info

Publication number: CN103609487A
Application number: CN201310552646.6A
Authority: CN
Inventors: 罗镓铭
Original assignee: PUDING MINGRUI FISHERY Co Ltd
Current assignee: PUDING MINGRUI FISHERY Co Ltd
Priority date: 2013-11-08
Filing date: 2013-11-08
Publication date: 2014-03-05
Anticipated expiration: 2033-11-08
Also published as: CN103609487B

Abstract

The invention discloses a sturgeon culturing method and belongs to the field of fish culturing. The sturgeon culturing method includes the steps of flowing water pond disinfection, fingerling releasing, water changing control, feed feeding, pest prevention and control and the like. By disinfection of a flowing water pond before culturing and pest prevention and control during feed raising, survival rate of sturgeon fingerlings is greatly increased; by preparing feed with different nutritional ingredients for fingerlings and adult fishes, digestion and absorption at different stages of sturgeon are facilitated, and growing is prompted.

Description

A kind of sturgeon cultivation method

Technical field

The present invention relates to a kind of cultural method, relate in particular to a kind of sturgeon cultivation method.

Background technology

Sturgeon is that the bodily form is large in existing freshwater fish in the world, the life-span long, ancient a kind of fish, have so far the history of more than 200,000,000 year, originating from the period Cretaceous period before 1 years, have the title of " panda in water " and " living fossil in water ", is existing ancient biotic population.China sturgeon is wide in variety, and the domestic wild sturgeon of China has: the Shi Shi sturgeon, acipenser dabryanus and a small amount of Karafuto sturgeon that are distributed in middle reaches, Heilungkiang, downstream, Song Hua River, Wusuli river valley; Be distributed in mandarin sturgeon, acipenser dabryanus and the paddlefish of the Changjiang river, Drainage Area of Jinsha River; Be distributed in Yining, the naked abdomen sturgeon fixed, that gather in the waters, ground such as Cha Er of pacifying; Be distributed in the Siberia sturgeon of Eerqisihe River, Xinjiang, Boulogne holder sea, Bosten.But because rivers are built a dam, the large principal element of environmental pollution, overfishing three affects, cause the continuous atrophy of sturgeon resource, in 8 existing kinds majority in and danger state, an urgent demand propagates to change this disadvantageous situation artificially, and the mode of propagating artificially mainly contains industrial circulating water cultivating, pond culture, cage culture etc.

The current technology of existing sturgeon cultivation aspect, the cultural technique that the patent of invention " cultural method of a kind of sturgeon " that is CN103348941A as the patent No. discloses is for " first disinfecting cement culturing pool, wait for and put seedling after sterilization; Then throw in sturgeon seed, carry out sturgeon seed greenhouse cultivation; And then the sturgeon cultivating in greenhouse is moved to reservoir deep water mesh cage carry out marketable fish cultivation; Finally carry out scientific feeding until marketable fish listing ".This invention shortcoming is that feed is only selected crude protein, and forage feed is regardless of fingerling and adult fish stage, and the technology of related diseases pest control openly not.

Summary of the invention

In order to overcome the deficiencies in the prior art, the invention provides a kind of sturgeon cultivation method, by rational forage feed and the extermination of disease and insect pest, improve sturgeon survival rate, make sturgeon Fast Growth and reduce aquaculture cost.

The present invention is achieved by the following technical programs:

A sturgeon cultivation method, is characterized in that comprising the following steps:

The sterilization of e, flowing water pond, putting seed the last week, carries out disinfection to fishpond with disinfectant, after 2 days, changes water;

F, throw in fingerling, fingerling is rendered in the flowing water pond that water level is not less than 0.5m;

G, change water management, according to situations such as water temperature, breeding density, the exchange capacity of water is controlled at 1-3 time per hour;

H, feed and throw something and feed, the nutrition of throwing something and feeding is thick protein > 40%-45%, crude fat 5%-9%, raw fiber 3%-5%, coarse ash 10%-16%, moisture 8%-12%, the feed of lysine > 2.0%.

Further, described disinfectant is chlorine dioxide.

Further, the concentration of described chlorine dioxide is 2PPM.

Further, in order to prevent and treat furunculosis, in the feed of described feed and the step of throwing something and feeding, also have Florfenicol to mix, be used in conjunction 5d.

Further, the addition that described Florfenicol is mixed is by the 200mg/kg of fish body weight.

Further, in order to prevent and treat enteritis disease, also have allicin powder in the feed of described feed and the step of throwing something and feeding, 4d～6d continuously throws something and feeds.

Further, the addition of described allicin powder is for pressing the 200mg/kg of fish body weight.

Further, in order to prevent and treat ich, this cultural method is also included in full pond and sprays melonworm spirit, every day 1 time, continuous 2～3d.

Further, the concentration of described melonworm spirit is 5ppm.

Further, in order to make the nutrition of fingerling and adult fish reach reasonable disposition, being beneficial to sturgeon digests and assimilates in different phase, promote growth, described feed and the step of throwing something and feeding are divided into fingerling stage and adult fish stage, it is thick protein > 42%-45% that the fingerling stage is selected nutrition, crude fat 5%-9%, raw fiber 3%-5%, coarse ash 10%-16%, moisture 8%-12%, the feed of lysine > 2.0%, it is thick protein > 40%-42% that the adult fish stage is selected nutrition, crude fat 5%-9%, raw fiber 3%-5%, coarse ash 10%-16%, moisture 8%-12%, the feed of lysine > 2.0%.

Beneficial effect of the present invention is: by cultivating the sterilization in front convection current pond, and the extermination of disease and insect pest in forage feed, greatly increased the survival rate of sturgeon fingerling, by the feed of fingerling and adult fish Different Nutrition composition is configured, be beneficial to sturgeon and digest and assimilate in different phase, promote growth.

Embodiment

Below in conjunction with concrete embodiment, technical scheme of the present invention is described in detail:

A sturgeon cultivation method, comprises the following steps:

A, the sterilization of flowing water pond, putting seed before one week, carry out disinfecting of fishpond, and available chlorine dioxide 2ppm concentration sterilization, changes water after 2d, before putting fingerling in a suitable place to breed, and Guan Shui, water level is not less than 0.5m.

B, input fingerling, buy large specification cold water fishes seed, puts into flowing water pond.Cultivate after one month, by specification, be divided into corresponding flowing water pond.

The exchange capacity of c, water, according to situations such as water temperature, breeding density, the exchange capacity of water is controlled at 1-3 time per hour.

D, feed and throw something and feed, the large size fingerling compound feed of can directly throwing something and feeding.In the fingerling stage, nutrition is thick protein > 42%-45%, crude fat 5%-9%, raw fiber 3%-5%, coarse ash 10%-16%, moisture 8%-12%, lysine > 2.0%.

Adopt special cold water fishes special feed; It is thick protein > 40%-42% that adult fish can be selected nutrition, crude fat 5%-9%, raw fiber 3%-5%, coarse ash 10%-16%, moisture 8%-12%, lysine > 2.0%.Under preference temperature, the sturgeon cultivation criterion referenced table of throwing something and feeding in flowing water pond is as follows:

E, daily management

According to growth and the water temperature situation of change of the cold water fish such as sturgeon gold trout rainbow trout, adjust, distribute the output in each fishpond, guarantee that there is good water supply in every pond.Running check water inlet, discharge outlet have or not obstruction, remove in time tamper, keep the unimpeded equilibrium of current.Note the food situation of fish after each feeding, adjust feeding volume, as the food amount of fish obviously reduces, should ascertain the reason, be disease cause answer symptomatic treatment.

F, the extermination of disease and insect pest

Prevention

Implement the principle of putting prevention first, preventing and treating combination.The introduction of the cold water fish fingerlings such as sturgeon gold trout rainbow trout will strictly be quarantined and sterilize; Flowing water pond and instrument are answered strict sterilization; According to life habit and the occurrence regularity of the cold water fish such as sturgeon gold trout rainbow trout, create good cultivating condition, carry out biological preventing and healthy aquaculture.

Treatment

Furunculosis: mix to raise with Florfenicol and throw something and feed, 20mg/kg body weight, is used in conjunction 5d.

Enteritis disease: with allicin powder (containing allicin 10%), mix to raise and throw something and feed, 200mg/kg body weight, 4d～6d continuously throws something and feeds.

Ich: with melonworm spirit full pool spilling head 5ppm, every day 1 time, continuous 2 to 3d.

Above-described embodiment is only explanation technical conceive of the present invention and feature; its objective is to allow and be familiar with these those skilled in the art and can understand content of the present invention and implement according to this; can not limit the scope of the invention with this; all equivalents or modification that according to the present invention, spirit essence has been done, all should contain in protection scope of the present invention.

Claims

1. a sturgeon cultivation method, is characterized in that comprising the following steps:

The sterilization of a, flowing water pond, putting seed the last week, carries out disinfection to fishpond with disinfectant, after 2 days, changes water;

B, throw in fingerling, fingerling is rendered in the flowing water pond that water level is not less than 0.5m;

C, change water management, according to situations such as water temperature, breeding density, the exchange capacity of water is controlled at 1-3 time per hour;

D, feed and throw something and feed, the nutrition of throwing something and feeding is thick protein > 40%-45%, crude fat 5%-9%, raw fiber 3%-5%, coarse ash 10%-16%, moisture 8%-12%, the feed of lysine > 2.0%.

2. a kind of sturgeon cultivation method according to claim 1, is characterized in that: described disinfectant is chlorine dioxide.

3. a kind of sturgeon cultivation method according to claim 2, is characterized in that: the concentration of described chlorine dioxide is 2ppm.

4. a kind of sturgeon cultivation method according to claim 1, is characterized in that: in the feed of described feed and the step of throwing something and feeding, also have Florfenicol to mix, be used in conjunction 5d.

5. according to a kind of sturgeon cultivation method claimed in claim 4, it is characterized in that: the addition that described Florfenicol is mixed is by the 200mg/kg of fish body weight.

6. a kind of sturgeon cultivation method according to claim 1, is characterized in that: in the feed of described feed and the step of throwing something and feeding, also have allicin powder, 4d～6d continuously throws something and feeds.

7. according to a kind of sturgeon cultivation method claimed in claim 6, it is characterized in that: the addition of described allicin powder is by the 200mg/kg of fish body weight.

8. a kind of sturgeon cultivation method according to claim 1, is characterized in that: be also included in full pond and spray melonworm spirit, every day 1 time, continuous 2～3d.

9. a kind of sturgeon cultivation method according to claim 8, is characterized in that: the concentration of described melonworm spirit is 5ppm.

10. a kind of sturgeon cultivation method according to claim 1, it is characterized in that: described feed and the step of throwing something and feeding are divided into fingerling stage and adult fish stage, it is thick protein > 42%-45% that the fingerling stage is selected nutrition, crude fat 5%-9%, raw fiber 3%-5%, coarse ash 10%-16%, moisture 8%-12%, the feed of lysine > 2.0%, it is thick protein > 40%-42% that the adult fish stage is selected nutrition, crude fat 5%-9%, raw fiber 3%-5%, coarse ash 10%-16%, moisture 8%-12%, the feed of lysine > 2.0%.