CN103651211A

CN103651211A - Turbot aquaculture method

Info

Publication number: CN103651211A
Application number: CN201310672581.9A
Authority: CN
Inventors: 杜伟林
Original assignee: Suzhou City Xiangcheng District Xinshidai Special Aquafarm
Current assignee: Suzhou City Xiangcheng District Xinshidai Special Aquafarm
Priority date: 2013-12-12
Filing date: 2013-12-12
Publication date: 2014-03-26

Abstract

The invention discloses a turbot aquaculture method. The turbot aquaculture method comprises the steps of fry selecting, fry breeding, fodder feeding, water quality managing and disease controlling. The turbot aquaculture method has the advantages that the growth speed is high, artificial fodder can be accepted easily and intensive cultivation is easy.

Description

Many precious fish culture methods

Technical field

The present invention relates to a kind of how precious fish culture method.

Background technology

Aquaculture is the activity in production of breeding under manual control, cultivation and results aquatic animals and plants.Generally comprise the overall process of forming aquatic products under artificial feeding management from seed.Broadly also can comprise Enhancement of fishery resources.Aquaculture has the modes such as extensive cultivation, intensive culture and high density culture.Extensive cultivation is to throw in seed in medium and small natural water area, forms aquatic products completely by natural bait, as lake and reservoir, breeds fish and supports shellfish etc. with shallow sea.Intensive culture is with bait throwing in, fertilizing method, to form aquatic products in less water body, as aqiuculrue, fish culture in net pen and enclosure culture, net enclosure culture etc.High density culture adopts flowing water, temperature control, oxygenation and the methods such as high-quality bait of throwing something and feeding, and carries out high-density breeding in little water body, thereby obtains high yield, as Running Water Intensive Fish Farming, shrimp etc.

Turbot is called again butterfly fish, is under the jurisdiction of bony fish, Pleuronectiformes, flounder suborder, Bothidae, brill genus on taxonomy of fishes, English name turbot, and transliteration name (trade name of holding concurrently) " how precious fish ".The northern marine site, the Atlantic Ocean that originates in the European countries such as France, Britain is the end dwelling property cold water fishes.Belong to Pleuronectiformes, Bothidae, water chestnut belongs to, and its health is flat approximate round, and eyes are positioned at left side, have a side to be blue or green brown, a small amount of prickle of tool; The sliding white of anophthalmia sidelight, dorsal fin and anal fin are without hardware and longer; Head and tail fin are all less, and health middle part meat is thick, and visceral mass is little, dressing percentage is high, and the edible part of whole health is more than similar fish.Turbot is a kind of rare fish, have advantages of many very tempting: personality is docile, build is graceful, muscle abundant delicate, spur is few, visceral mass is little, dressing percentage is high, abundant colloid is contained on its fin limit, mouthfeel is smooth moistens, there are the shirt rim of approximate soft-shelled turtle and the local flavor of sea cucumber, nutritive value is very high, is desirable health care and beauty food.Its juvenile fish is colorful, gorgeous, has the good reputation of " meat flavour resembles cold water fishes, and figure is like tropical fish ".Therefore except can be edible. still can do pet fish.In recent years, in succession become one of good marine fish of European Countries exploitation, fresh and alive turbot market is very good, is a rising good breed variety.

Summary of the invention

The object of the present invention is to provide a kind of how precious fish culture method, there are fast growth, acceptant artificial feed, be easy to the features such as intensive culture.

Technical scheme of the present invention is: a kind of how precious fish culture method, comprises the following steps:

(1) seed is selected: seed should select physique healthy and strong, move about active, neat specification, suitable size, the bodily form is normal without deformity, damage does not have fish disease and parasitic high-quality fry, body colour is normal, and the back of the body is sand, body surface smooth, dorsal fin, anal fin are transparent, life is concentrated in health high resilience at the bottom of pond, and the seed moving about rapidly when being upset or frightening is for best;

(2) seed is put in a suitable place to breed: the breeding density of seed and raising condition, water quality, water exchange capacity, managerial skills, peopleware etc. are in close relations, should grasp flexibly according to water saving, principle energy-conservation, convenient management, conventionally the body weight or the mantissa that with unit are, breed fish fry represent, under green house cultivating condition, the seed of 6-10cm can be by 80-150 Wei/㎡, and adult fish culture density is about 20-30 Wei/㎡;

(3) feedstuff feeding: before fish body weight 100g, throw feed number of times 4-6 every day, after body weight 150g, throw feed number of times 2-3 every day, in water temperature lower than 12 ℃ or ingest when bad higher than 22 ℃ of macrura reevesiis, can suitably reduce and throw feed number of times, described feed is caught trash fish etc. by sand lance, sardine, scad, mackerel and other sea and is formed;

(4) water quality management: the adjusting of water quality is mainly to regulate quantity of exchanged water to control, quantity of exchanged water remains on 5-10 circulation/sky, and to consider according to cultivation density and water supply information summary, during 20 ℃ of water temperatures, to strengthen quantity of exchanged water in principle, when water temperature is for a long time when more than 22 ℃, take cooling measure;

(5) disease control: should adhere to the policy of putting prevention first, take to control light, temperature adjustment, water treatment, the agent of use safe disinfection, increase the aggregate measures such as streamflow and prevent and treat, very high to water quality requirement, must change water every day, water temperature need maintain below 20 ℃.

In a preferred embodiment of the present invention, the proportioning of each composition weight of described feed is that sand lance accounts for 15%-20%, sardine and accounts for 15%-30%, scad and account for 10%-15%, mackerel and account for 20%-30% and other sea and catch trash fish and account for 20%-25%.

A kind of how precious fish culture method of the present invention, has fast growth, acceptant artificial feed, is easy to the features such as intensive culture.

Accompanying drawing explanation

Accompanying drawing 1 is the schematic flow sheet of how precious fish culture method one preferred embodiment of the present invention.

Embodiment

Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that, protection scope of the present invention is made to more explicit defining.

Refer to Fig. 1, Fig. 1 is a kind of how precious fish culture method of the present invention, comprises the following steps:

Further illustrate, the proportioning of each composition weight of described feed is that sand lance accounts for 15%-20%, sardine and accounts for 15%-30%, scad and account for 10%-15%, mackerel and account for 20%-30% and other sea and catch trash fish and account for 20%-25%.

Further illustrating, how precious fish be tighter to seawater index requests such as temperature.Its maximum fatal temperature is 28～30 ℃; Minimum killing temperature is 1～2 ℃; Maximum growth temperature is 21～27 ℃; Minimum growth temperature is 7～8 ℃; Optimum growth temperature is 14～17 ℃, and its tolerance to salinity is up to 40 ‰, and minimum is 12 ‰, and suitable salinity is between 20 ‰～32 ‰, and optimum salinity is 25 ‰～30 ‰.Many precious fry kinds are bought Shi Tichang will be more than 5 centimetres, and fish body colour pool is normal, has vigor, disease-free, lopsided, cultivate suitable water temperature and require between 10 ℃～20 ℃, and 14 ℃～17 ℃ water temperatures are the Fast Growth stage.The suitable salinity of cultivation is between 20 ‰～32 ‰, and 25 ‰～30 ‰ is the most suitable.Cultivation requires water nonpollution, extract underground sea water and can use directly into culturing pool, with outer seawater to filter, sterilization.Cultivation experience, with flowing water culture for well.Every day, quantity of exchanged water was at least at 5 more than circulation, if water yield abundance also can be multiplied.Many precious fish growth rate are very fast, according to cultivation experience, enter culturing pool under normal circumstances calculate from the long 5 centimetres of seedlings of body, within 7 months, within more than 200 days, can grow to every urosome and weigh 500 grams of left and right, reach commercial specification.Main bait is to take fresh assorted small fish as adhesive and fish meal, various vitamin and special powder feed, to make soft particle and throw something and feed, bait is meticulousr, growth result is better, seldom move about at ordinary times, food ration is less, and feed coefficient is between 1: 1～1: 1.5,200 grams of body weight are to throw something and feed interior every day 3 times～4 times, body weight is thrown something and fed 2 times～3 times 200 grams of above every days, and body weight is thrown something and fed 2 times 300 grams～400 grams above every days, and throwing every day amount should be 1.5%～2% of fish body weight.Cultivation requires water cleaning pollution-free, and cleaning in 2 days is answered once in pond, prevents the residual bacterium amount reproduction that causes of bait and excreta.Culturing pool planted agent continuous charge, every 3 square metres～4 square metres can be used an air pump.The invention provides a kind of how precious fish culture method, there are fast growth, acceptant artificial feed, be easy to the features such as intensive culture.

The specific embodiment of the present invention; but protection scope of the present invention is not limited to this; any those of ordinary skill in the art are in the disclosed technical scope of the present invention, and the variation that can expect without creative work or replacement, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain that claims were limited.

Claims

1. more than, a precious fish culture method, is characterized in that: comprise the following steps:

Seed is selected: seed should select physique healthy and strong, move about active, neat specification, suitable size, the bodily form is normal without deformity, damage does not have fish disease and parasitic high-quality fry, body colour is normal, and the back of the body is sand, body surface smooth, dorsal fin, anal fin are transparent, life is concentrated in health high resilience at the bottom of pond, and the seed moving about rapidly when being upset or frightening is for best;

Seed is put in a suitable place to breed: the breeding density of seed and raising condition, water quality, water exchange capacity, managerial skills, peopleware etc. are in close relations, should grasp flexibly according to water saving, principle energy-conservation, convenient management, conventionally the body weight or the mantissa that with unit are, breed fish fry represent, under green house cultivating condition, the seed of 6-10cm can be by 80-150 Wei/㎡, and adult fish culture density is about 20-30 Wei/㎡;

Feedstuff feeding: before fish body weight 100g, throw feed number of times 4-6 every day, after body weight 150g, throw feed number of times 2-3 every day, in water temperature lower than 12 ℃ or ingest when bad higher than 22 ℃ of macrura reevesiis, can suitably reduce and throw feed number of times, described feed is caught trash fish etc. by sand lance, sardine, scad, mackerel and other sea and is formed;

Water quality management: the adjusting of water quality is mainly to regulate quantity of exchanged water to control, quantity of exchanged water remains on 5-10 circulation/sky, and will consider according to cultivation density and water supply information summary, during 20 ℃ of water temperatures, will strengthen quantity of exchanged water in principle, when water temperature is for a long time when more than 22 ℃, take cooling measure;

Disease control: should adhere to the policy of putting prevention first, take to control light, temperature adjustment, water treatment, the agent of use safe disinfection, increase the aggregate measures such as streamflow and prevent and treat, very high to water quality requirement, must change water every day, water temperature need maintain below 20 ℃.

2. according to claim 1 how precious fish culture method, is characterized in that: the proportioning of each composition weight of described feed is that sand lance accounts for 15%-20%, sardine and accounts for 15%-30%, scad and account for 10%-15%, mackerel and account for 20%-30% and other sea and catch trash fish and account for 20%-25%.