CN103843701B - A kind of cultural method of Bostrichthys sinensis - Google Patents

A kind of cultural method of Bostrichthys sinensis Download PDF

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Publication number
CN103843701B
CN103843701B CN201310715357.3A CN201310715357A CN103843701B CN 103843701 B CN103843701 B CN 103843701B CN 201310715357 A CN201310715357 A CN 201310715357A CN 103843701 B CN103843701 B CN 103843701B
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feed
fish
something
feeding
fry
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CN103843701A (en
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付万冬
廖妙飞
郑斌
傅光明
杨会成
周宇芳
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Zhejiang Marine Development Research Institute
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Zhejiang Marine Development Research Institute
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81Aquaculture, e.g. of fish

Abstract

The invention discloses a kind of cultural method of Bostrichthys sinensis, the cultural method solving the Bostrichthys sinensis of prior art causes fish bulk-growth slow, and easily cause the problem that bait is wasted, cultural method of the present invention comprises the following steps: (one) fish pond is selected; (2) to clean up the pond rich water; (3) seedling is put; (4) cultivate.Step of the present invention is simple, strong operability, to being optimized of Bostrichthys sinensis cultivating condition, and utilize biological compensation mechanism to adopt different cycles of throwing something and feeding and feeding volume for the fry that different size body is long, coordinate the manufactured feed of optimal design simultaneously, effectively can promote the growth of Bostrichthys sinensis, shorten and form the cycle, improve bait utilization and survival rate, thus be conducive to improving culture benefit.

Description

A kind of cultural method of Bostrichthys sinensis
Technical field
The present invention relates to technical field of aquaculture, especially relate to a kind of cultural method of Bostrichthys sinensis.
Background technology
Bostrichthys sinensis belongs to Osteichthyes, Perciformes, free time tiger fish suborder, Eleotridae, and being commonly called as " snakeheaded fish ", " mudfish ", " native fish " etc., is a kind of water warm shallow sea fish.All there is distribution in the salt water region such as coastal areas of southern China, river mouth, bay, and happiness inhabits husky mud substrate or reef district, battalion's troglodytism.
Bostrichthys sinensis meat exquisiteness, delicious flavour, nutritious, economic worth is high, is a kind of famous and precious seafood fish.In recent years, the success of Bostrichthys sinensis artificial breeding, for the development of Bostrichthys sinensis aquaculture is laid a good foundation.
Such as, publication number CN101273716A, the Chinese patent in publication date on October 1st, 2008 discloses a kind of culture method of Chinese Bostrichthys sinensis, and its concrete steps are: be inclined-plane at the bottom of the pond in pond; The earth of lay 10-20CM thickness at the bottom of pond; Built up by hard material at the bottom of pool wall and pond; Pool salinity water is 1-28 ‰, and temperature is 15-25 DEG C; Place at the bottom of pond and perch things concealed; Fry carries out disinfection to pond before putting in a suitable place to breed; Before putting in a suitable place to breed, fry is carried out disinfection; Breeding density is 5000-8000 tail/mu; Adopt being feed and/or mixed feed to feed, throw in 2 feeds every day, quantity of throwing something and feeding day is the 9-15% of fish body weight.The weak point of this cultural method is, (every day throws in 2 feeds all to adopt identical mode of throwing something and feeding to the fish body of different phase, quantity of throwing something and feeding day is the 9-15% of fish body weight), this not only causes fish bulk-growth slow, also can cause the waste of bait, what throw something and feed in this cultural method is that being feed and/or mixed feed are fed simultaneously, mixed feed is wherein by fish meal, fish oil, starch, dusty yeast, vitamin additive, mineral additive and FRC Vitality Source additive composition, binding agent in this mixed feed is starch, the feed quality made is hard, palatability is poor, be not suitable for Bostrichthys sinensis fry to eat, and not easily imbibition, often fail abundant imbibition and namely eaten by fish, imbibition in fish body canalis alimentarius, cause fish body abdominal distension dead, be lowered into motility rate, simultaneously, this mixed feed can not promote fish bulk-growth, cause the cycle of forming of Bostrichthys sinensis longer, the keeping quality of this mixed feed is poor in addition.
Summary of the invention
The present invention is that the cultural method of Bostrichthys sinensis in order to solve prior art causes fish bulk-growth slow, easily cause the problem that bait is wasted, provide a kind of cultural method of Bostrichthys sinensis, this cultural method step is simple, effectively can promote the growth of Bostrichthys sinensis, shorten and form the cycle, simultaneously bait utilization is high with survival rate, is conducive to raising culture benefit.
To achieve these goals, the present invention is by the following technical solutions:
A cultural method for Bostrichthys sinensis, comprises the following steps:
(1) fish pond is selected
The pool, fish pond salinity water is 5 ~ 15 ‰, the depth of water 1 ~ 1.5m, and dissolved oxygen amount >=4mg/L, pH is 8 ~ 9, transparency 30 ~ 50cm, fish pond area 1 ~ 1.5 mu, and barnacle pool base, spreads husky mud at the bottom of the pool.
(2) to clean up the pond rich water
Fishpond water is put dry, desilting, be exposed to the sun dry and cracked at the bottom of pond, spread at the bottom of the pool after pond is carried out disinfection and perch things concealed, water inlet, to execute after ammonium carbonate 0.5 ~ 1Kg/ mu and superphosphate 0.05 ~ 0.1Kg/ mu rich water 3 ~ 5 days.
(3) seedling is put
In the fish pond after rich water, throw in fry, the fry release time is between 3 ~ May, and fry specification is 30 ~ 40 tails/Kg, and input density is 4000 ~ 5000 tails/mu.
(4) cultivate
After fry is thrown in, within 1st ~ 3 days, forbid feeding intake, 4th day starts manufactured feed of throwing something and feeding, manufactured feed is invested in feed frame, feed frame is sunken to the water surface 30 ~ 40cm, feed frame is placed by the quantity of 12 ~ 15/mu, within 4th ~ 7 days, throw something and feed continuously, the concrete grammar of throwing something and feeding continuously is: the timing of morning, noon and afternoon every day period is thrown something and fed three times, morning, manufactured feed feeding volume was 1 ~ 1.5% of fish body gross weight, noon, manufactured feed feeding volume was 0.5 ~ 0.8% of fish body gross weight, and manufactured feed feeding volume is 1 ~ 1.5% of fish body gross weight at dusk; 8th day starts, and carry out segmentation and throw something and feed until fish is recuperated into, the concrete grammar that segmentation is thrown something and fed is: as body size < 20 tails/Kg, sooner or later timing is thrown something and fed twice, stop after throwing something and feeding continuously 5 ~ 7 days to feed 1 ~ 2 day, each feeding volume is 6 ~ 8% of fish body weight, and circulation is thrown something and fed according to this; As 20 tails/Kg≤body size≤10 tail/Kg, timing sooner or later throws something and feeds twice, and stop after throwing something and feeding continuously 3 ~ 4 days to feed 1 ~ 2 day, each feeding volume is 4 ~ 5% of fish body weight, and circulation is thrown something and fed according to this; As body size > 10 tails/Kg, timing is is at dusk thrown something and fed once, and throw something and feed every other day, each feeding volume is 4 ~ 6% of fish body weight, and circulation is thrown something and fed according to this.The present invention is according to the eating habit of Bostrichthys sinensis, growth rhythm and nutritional need, combine biological compensation mechanism again and adjusting and optimizing has been carried out to the mode of throwing something and feeding of feed and feeding volume, after fry is thrown in, stress situation can be in because environment changes, food ration greatly reduces, if carry out throwing something and feeding feed at once after input, a large amount of residual baits can be produced, cause the waste of bait, therefore the present invention forbids feeding in 1st ~ 3 days after fry is thrown in, throw something and feed again after it conforms, the availability of bait can be improved like this; Within 4th ~ 7 days, throw something and feed continuously, every natural gift are thrown something and fed for three times a small amount of manufactured feed, to make fry adapt to manufactured feed gradually, noon feeding volume minimum be because Bostrichthys sinensis is ingested less at this moment; 8th day starts, and adapts to after manufactured feed until fry, and the fry long for different size body adopts different cycles of throwing something and feeding and feeding volume, under the prerequisite not affecting fish body normal growth, reduces the feeding volume of feed, improves the availability of bait simultaneously.
As preferably, in step (two), described in perch things concealed be one or more in jar, watt cylinder, thick bamboo tube, plastic tube, watt cylinder.
As preferably, step (three) is before putting seedling, to fry disinfection, the concrete grammar of the process of sterilization is: embathe 2 ~ 5h with the saline solution of 3 ~ 5% to fry, with 10 ~ 12mg/L Eusol, 20 ~ 30min is embathed to fry, or with 20 ~ 25mg/L liquor potassic permanganate, 20 ~ 30min is embathed to fry;
As preferably, in step (four), after manufactured feed input, below feed frame, blast air.The amount of blasting of air is slightly rolled with water body and is not produced bubble and be as the criterion, manufactured feed blasts air after throwing in below feed frame, the water in feed frame is made to be in slight tumbling state, thus manufactured feed is slightly rolled in water, not only be convenient to fish body ingest, and good phagostimulating effect can be played, improve the availability of manufactured feed, the oxygen content in pond can also be increased simultaneously, be conducive to the survival of fish body, the air amount of blasting is excessive, and manufactured feed can be caused to overflow feed frame, can affect fry feed simultaneously.
As preferably, in step (four), changed water 1/4 ~ 1/3 every 2 ~ 3 days.Here quantity of exchanged water by volume calculates.
As preferably, described manufactured feed is made up of the raw material of following weight portion: 70 ~ 75 parts of fish meal, 15 ~ 20 parts of expanded corn powders, 1 ~ 3 part of soybean lecithin, 3 ~ 5 parts of brewer's yeasts, 3 ~ 5 parts of fish oil, 1 ~ 3 part of rosemary, Xue MingRosma rinus officinalis powder, 0.3 ~ 0.5 part of compound vitamin additive, 0.3 ~ 0.5 part of composite mineral matter additive, 0.3 ~ 0.5 part of growth accelerator, 0.3 ~ 0.5 part of composite feeding promoting agent.The formula of the present invention to manufactured feed is optimized design, wherein using expanded corn powder as binding agent, the imbibition rapidly of expanded corn powder energy, and bonding dynamics and water-tolerant, the feed made is soft, not easily defeated and dispersed in water, the fish body being applicable to all size eats, effectively can avoid the swollen death of fish body fish belly, improve survival rate, expanded corn powder is also as the carrier of soybean lecithin simultaneously, greatly can improve the dispersiveness of soybean lecithin, make soybean lecithin can be uniformly dispersed in manufactured feed; Soybean lecithin can improve the palatability of manufactured feed; Rosemary, Xue MingRosma rinus officinalis powder effectively can reduce the situation about mutually killing and devouring between Bostrichthys sinensis, improves survival rate, and can promote digestion and metabolism, be conducive to the growth of fish body, also there is antioxidation simultaneously, the storage life of feed can be extended, improve the keeping quality of manufactured feed; Growth accelerator can improve immunity and the growth rate of fish body, Shortening culturing period; Composite feeding promoting agent can improve phagostimulating effect, thus improves the availability of bait.Compound feed prescription of the present invention is reasonable, and by the mutual synergy of each component, palatability and water-tolerant, can promote the growth of fish body, improves survival rate.
As preferably, in compound vitamin additive described in every 1000g, containing 5 ~ 10g vitamin A, 1 ~ 3g vitamin d 3 , 10 ~ 15g vitamin E, 3 ~ 5g vitamin K 3, 5 ~ 8g Cobastab 1, 5 ~ 8g Cobastab 2, 9 ~ 12g Cobastab 6, 15 ~ 20g calcium pantothenate, 2 ~ 5g folic acid, 0.5 ~ 1g Cobastab 12, 30 ~ 50g vitamin C, all the other are wheat bran.
As preferably, in mineral salt described in every 1000g, containing 100 ~ 120g sodium chloride, 200 ~ 250g magnesium glycinate, 120 ~ 150g potassium chloride, 1.5 ~ 3g cupric glycinate, 5 ~ 8g ferrous bisglycinate chelate, 5 ~ 8g zinc methionine, 3 ~ 5g Mn-Gly, 0.1 ~ 0.3g Potassiumiodate, 0.1 ~ 0.3g cobalt methionine, 0.03 ~ 0.05g sodium selenite, all the other are zeolite powder.
As preferably, described growth accelerator is made up of bacillus subtilis, Choline Chloride, citric acid and bromelain, and in growth accelerator, the mass percentage of each component is: bacillus subtilis 3 ~ 5%, Choline Chloride 40 ~ 50%, citric acid 3 ~ 5%, bromelain surplus.Bacillus subtilis effectively can not only prevent the enteritis of Bostrichthys sinensis, and the diseases such as gill rot can also strengthen the immunity of fish body; Choline Chloride can promote the weightening finish of fish body; Citric acid can promote gastric secretion, and the secretion of the enzyme that directly stimulates digestion, whets the appetite, and can reduce intestines and stomach pH value, improves digestive enzyme activity, is conducive to fish body digesting and assimilating feed, promotes the growth of fish body; Bromelain effectively can improve Bostrichthys sinensis to the availability of protein and conversion ratio, is conducive to putting on weight.Growth accelerator in the present invention can improve Bostrichthys sinensis to the absorption rate of manufactured feed and immunity, effectively promotes fish bulk-growth, is conducive to Shortening culturing period.
As preferably, described composite feeding promoting agent is made up of spirulina powder, Mussel Powder, fish soluble slurry protein powder and inositol, and in composite feeding promoting agent, the mass percentage of each component is: spirulina powder 10 ~ 20%, inositol 3 ~ 5%, Mussel Powder 30 ~ 40%, fish soluble slurry protein powder surplus.Composite feeding promoting agent of the present invention not only has good phagostimulating effect, and each component in composite feeding promoting agent is natural materials, can play the effect of nutritious supplementary pharmaceutical, is conducive to the growth of fish body.
Therefore, the beneficial effect of tool of the present invention is: step is simple, strong operability, to being optimized of Bostrichthys sinensis cultivating condition, and utilize biological compensation mechanism to adopt different cycles of throwing something and feeding and feeding volume for the fry that different size body is long, coordinate the manufactured feed of optimal design simultaneously, effectively can promote the growth of Bostrichthys sinensis, shorten and form the cycle, improve bait utilization and survival rate, be conducive to improving culture benefit.
Embodiment
Below by embodiment, the present invention will be further described.
In the present invention, if not refer in particular to, all percentage is unit of weight, and all devices and raw material all can be buied from market or the industry is conventional, and the method in following embodiment, if no special instructions, is this area conventional method.
Embodiment 1
(1) fish pond is selected
The pool, fish pond salinity water is 5 ‰, depth of water 1.5m, and dissolved oxygen amount >=4mg/L, pH is 9, transparency 50cm, fish pond area 1.5 mu, and barnacle pool base, spreads husky mud at the bottom of the pool;
(2) to clean up the pond rich water
Fishpond water is put dry, desilting, be exposed to the sun dry and cracked at the bottom of pond, at the bottom of the pool, after pond is carried out disinfection, spread jar, thick bamboo tube and watt cylinder, water inlet, to execute after ammonium carbonate 0.5Kg/ mu rich water 3 days;
(3) seedling is put
In the fish pond after rich water, throw in fry, the fry release time is March, and before putting seedling, to fry disinfection, the concrete grammar of the process of sterilization is: embathe 2h with the saline solution of 5% to fry, and fry specification is 30 tails/Kg, and input density is 5000 tails/mu;
(4) cultivate
After fry is thrown in, within 1st ~ 3 days, forbid feeding intake, 4th day starts manufactured feed of throwing something and feeding, manufactured feed is invested in feed frame, feed frame is sunken to water surface 40cm, feed frame is placed by the quantity of 15/mu, after manufactured feed is thrown in, air is blasted below feed frame, within 4th ~ 7 days, throw something and feed continuously, the concrete grammar of throwing something and feeding continuously is: the timing of morning, noon and afternoon every day period is thrown something and fed three times, and morning, manufactured feed feeding volume was 1.5% of fish body gross weight, noon, manufactured feed feeding volume was 0.5% of fish body gross weight, and manufactured feed feeding volume is 1.2% of fish body gross weight at dusk, 8th day starts, and carry out segmentation and throw something and feed until fish is recuperated into, the concrete grammar that segmentation is thrown something and fed is: as body size < 20 tails/Kg, sooner or later timing is thrown something and fed twice, stop after throwing something and feeding continuously 5 days to feed 1 day, each feeding volume is 8% of fish body weight, and circulation is thrown something and fed according to this, as 20 tails/Kg≤body size≤10 tail/Kg, timing sooner or later throws something and feeds twice, and stop after throwing something and feeding continuously 3 days to feed 1 day, each feeding volume is 5% of fish body weight, and circulation is thrown something and fed according to this, as body size > 10 tails/Kg, timing is is at dusk thrown something and fed once, throw something and feed every other day, each feeding volume is 6% of fish body weight, circulation is thrown something and fed according to this, water 1/4 was changed every 2 days during cultivation, wherein manufactured feed is by fish meal, expanded corn powder, soybean lecithin, brewer's yeast, fish oil, rosemary, Xue MingRosma rinus officinalis powder, compound vitamin additive, composite mineral matter additive, growth accelerator, composite feeding promoting agent forms, in manufactured feed, the concrete proportioning of each component is as shown in table 1, compound vitamin additive in manufactured feed, composite mineral matter additive, the concrete formula of growth accelerator and composite feeding promoting agent is respectively as table 2, 3, 4, shown in 5.
Comparative example 1
Adopt fresh bait (small fish and shrimp) to throw something and feed, every day throws something and feeds 2 times sooner or later, and each daily ration, feeding quantity is 10% of Bostrichthys sinensis gross weight, uninterruptedly throws something and feeds continuously, and other aquaculture conditions and method are all identical with embodiment 1.
Embodiment 2
(1) fish pond is selected
The pool, fish pond salinity water is 10 ‰, depth of water 1.2m, and dissolved oxygen amount >=4mg/L, pH is 8.2, transparency 35cm, fish pond area 1.2 mu, and barnacle pool base, spreads husky mud at the bottom of the pool;
(2) to clean up the pond rich water
Fishpond water is put dry, desilting, be exposed to the sun dry and cracked at the bottom of pond, after pond is carried out disinfection, at the bottom of the pool, spread jar and thick bamboo tube, water inlet, to execute after ammonium carbonate 0.6Kg/ mu rich water 4 days;
(3) seedling is put
In the fish pond after rich water, throw in fry, the fry release time is April, before putting seedling, to fry disinfection, the concrete grammar of the process of sterilization is: embathe 25min with 12mg/L Eusol to fry, fry specification is 32 tails/Kg, and input density is 4500 tails/mu;
(4) cultivate
After fry is thrown in, within 1st ~ 3 days, forbid feeding intake, 4th day starts manufactured feed of throwing something and feeding, manufactured feed is invested in feed frame, feed frame is sunken to water surface 35cm, feed frame is placed by the quantity of 13/mu, after manufactured feed is thrown in, air is blasted below feed frame, within 4th ~ 7 days, throw something and feed continuously, the concrete grammar of throwing something and feeding continuously is: the timing of morning, noon and afternoon every day period is thrown something and fed three times, and morning, manufactured feed feeding volume was 1.3% of fish body gross weight, noon, manufactured feed feeding volume was 0.9% of fish body gross weight, and manufactured feed feeding volume is 1% of fish body gross weight at dusk, 8th day starts, and carry out segmentation and throw something and feed until fish is recuperated into, the concrete grammar that segmentation is thrown something and fed is: as body size < 20 tails/Kg, sooner or later timing is thrown something and fed twice, stop after throwing something and feeding continuously 6 days to feed 1 day, each feeding volume is 7% of fish body weight, and circulation is thrown something and fed according to this, as 20 tails/Kg≤body size≤10 tail/Kg, timing sooner or later throws something and feeds twice, and stop after throwing something and feeding continuously 3 days to feed 2 days, each feeding volume is 4.5% of fish body weight, and circulation is thrown something and fed according to this, as body size > 10 tails/Kg, timing is is at dusk thrown something and fed once, throw something and feed every other day, each feeding volume is 5% of fish body weight, circulation is thrown something and fed according to this, water 1/3 was changed every 2 days during cultivation, wherein manufactured feed is by fish meal, expanded corn powder, soybean lecithin, brewer's yeast, fish oil, rosemary, Xue MingRosma rinus officinalis powder, compound vitamin additive, composite mineral matter additive, growth accelerator, composite feeding promoting agent forms, in manufactured feed, the concrete proportioning of each component is as shown in table 1, compound vitamin additive in manufactured feed, composite mineral matter additive, the concrete formula of growth accelerator and composite feeding promoting agent is respectively as table 2, 3, 4, shown in 5.
Comparative example 2
Adopt fresh bait (small fish and shrimp) to throw something and feed, every day throws something and feeds 2 times sooner or later, and each daily ration, feeding quantity is 10% of Bostrichthys sinensis gross weight, uninterruptedly throws something and feeds continuously, and other aquaculture conditions and method are all identical with embodiment 2.
Embodiment 3
(1) fish pond is selected
The pool, fish pond salinity water is 15 ‰, depth of water 1m, and dissolved oxygen amount >=4mg/L, pH is 8, transparency 30cm, fish pond area 1 mu, and barnacle pool base, spreads husky mud at the bottom of the pool;
(2) to clean up the pond rich water
Fishpond water is put dry, desilting, be exposed to the sun dry and cracked at the bottom of pond, after pond is carried out disinfection, at the bottom of the pool, spread jar, water inlet, to execute after superphosphate 0.1Kg/ mu rich water 5 days;
(3) seedling is put
In the fish pond after rich water, throw in fry, the fry release time is May, before putting seedling, to fry disinfection, the concrete grammar of the process of sterilization is: embathe 20min with 25mg/L liquor potassic permanganate to fry, fry specification is 40 tails/Kg, and input density is 4000 tails/mu;
(4) cultivate
After fry is thrown in, within 1st ~ 3 days, forbid feeding intake, 4th day starts manufactured feed of throwing something and feeding, manufactured feed is invested in feed frame, feed frame is sunken to water surface 30cm, feed frame is placed by the quantity of 12/mu, after manufactured feed is thrown in, air is blasted below feed frame, within 4th ~ 7 days, throw something and feed continuously, the concrete grammar of throwing something and feeding continuously is: the timing of morning, noon and afternoon every day period is thrown something and fed three times, and morning, manufactured feed feeding volume was 1% of fish body gross weight, noon, manufactured feed feeding volume was 0.8% of fish body gross weight, and manufactured feed feeding volume is 1.5% of fish body gross weight at dusk, 8th day starts, and carry out segmentation and throw something and feed until fish is recuperated into, the concrete grammar that segmentation is thrown something and fed is: as body size < 20 tails/Kg, sooner or later timing is thrown something and fed twice, stop after throwing something and feeding continuously 7 days to feed 2 days, each feeding volume is 6% of fish body weight, and circulation is thrown something and fed according to this, as 20 tails/Kg≤body size≤10 tail/Kg, timing sooner or later throws something and feeds twice, and stop after throwing something and feeding continuously 4 days to feed 2 days, each feeding volume is 4% of fish body weight, and circulation is thrown something and fed according to this, as body size > 10 tails/Kg, timing is is at dusk thrown something and fed once, throw something and feed every other day, each feeding volume is 4% of fish body weight, circulation is thrown something and fed according to this, water 1/3 was changed every 3 days during cultivation, wherein manufactured feed is by fish meal, expanded corn powder, soybean lecithin, brewer's yeast, fish oil, rosemary, Xue MingRosma rinus officinalis powder, compound vitamin additive, composite mineral matter additive, growth accelerator, composite feeding promoting agent forms, in manufactured feed, the concrete proportioning of each component is as shown in table 1, compound vitamin additive in manufactured feed, composite mineral matter additive, the concrete formula of growth accelerator and composite feeding promoting agent is respectively as table 2, 3, 4, shown in 5.
Comparative example 3
Adopt fresh bait (small fish and shrimp) to throw something and feed, every day throws something and feeds 2 times sooner or later, and each daily ration, feeding quantity is 10% of Bostrichthys sinensis gross weight, uninterruptedly throws something and feeds continuously, and other aquaculture conditions are all identical with embodiment 3.
The concrete proportioning of each component of manufactured feed in each embodiment of table 1
Raw material Embodiment 1 Embodiment 2 Embodiment 3
Fish meal (Kg) 70 72 75
Expanded corn powder (Kg) 20 15 17
Soybean lecithin (Kg) 3 1 2
Brewer's yeast (Kg) 3 4 5
Fish oil (Kg) 3 4 5
Rosemary, Xue MingRosma rinus officinalis powder (Kg) 2 1 3
B B-complex (Kg) 0.4 0.5 0.3
Composite mineral salt (Kg) 0.3 0.4 0.5
Growth accelerator (Kg) 0.4 0.3 0.5
Composite feeding promoting agent (Kg) 0.4 0.3 0.5
The concrete formula of compound vitamin additive in table 2 each embodiment manufactured feed
Component Embodiment 1 Embodiment 2 Embodiment 3
Vitamin A (g/1000g) 5 7 10
Vitamine D3 (g/1000g) 2 3 1
Vitamin E (g/1000g) 12 15 10
Vitamin K3 (g/1000g) 4 3 5
Vitamin B1 (g/1000g) 5 7 8
Vitamin B2 (g/1000g) 8 6 5
Vitamin B6 (g/1000g) 9 11 12
Calcium pantothenate (g/1000g) 15 20 17
Folic acid (g/1000g) 3 5 2
Cobalamin (g/1000g) 0.6 0.5 1
Vitamin C (g/1000g) 40 30 50
Wheat bran (g/1000g) 896.4 892.5 879
The concrete formula of composite mineral matter additive in table 3 each embodiment manufactured feed
Component Embodiment 1 Embodiment 2 Embodiment 3
Sodium chloride (g/1000g) 100 120 115
Magnesium glycinate (g/1000g) 240 200 250
Potassium chloride (g/1000g) 150 130 120
Cupric glycinate (g/1000g) 3 1.5 2
Ferrous bisglycinate chelate (g/1000g) 8 6 5
Zinc methionine (g/1000g) 5 8 6
Mn-Gly (g/1000g) 3 4 5
Potassiumiodate (g/1000g) 0.2 0.1 0.3
Cobalt methionine (g/1000g) 0.1 0.3 0.2
Sodium selenite (g/1000g) 0.04 0.03 0.05
Zeolite powder (g/1000g) 490.66 530.07 496.45
The concrete formula of growth accelerator in table 4 each embodiment manufactured feed
Component Embodiment 1 Embodiment 2 Embodiment 3
Bacillus subtilis (%) 3 4 5
Choline Chloride (%) 45 50 47
Citric acid (%) 4 5 3
Bromelain (%) 48 41 45
The concrete formula of composite feeding promoting agent in table 5 each embodiment manufactured feed
Component Embodiment 1 Embodiment 2 Embodiment 3
Spirulina powder (%) 20 12 10
Mussel Powder (%) 3 4 5
Fish soluble slurry protein powder (%) 30 35 40
Inositol (%) 47 49 45
Cultivate after 6 months, fish for the Bostrichthys sinensis in above-described embodiment and comparative example, add up survival rate, average weight, average weight growth rate respectively, the result obtained is as shown in table 6.
Table 6 cultivates the statistics of each embodiment and comparative example after 6 months
Project Embodiment 1 Comparative example 1 Embodiment 2 Comparative example 2 Embodiment 3 Comparative example 3
Average weight (g/ tail) 182 151 178 148 163 138
Average weight growth rate (%) 446 353 469.6 373.6 552 452
Catching amount (tail) 6900 6375 5022 4374 3800 3200
Survival rate (%) 92 85 93 81 95 80
Can as apparent from table 6, the average weight growth rate of the Bostrichthys sinensis cultivated in each embodiment and survival rate are all far above average weight growth rate and the survival rate of the Bostrichthys sinensis cultivated in comparative example, illustrate that cultural method of the present invention can promote the growth of Bostrichthys sinensis, shorten and form the cycle, improve survival rate.
Above-described embodiment is one of the present invention preferably scheme, not does any pro forma restriction to the present invention, also has other variant and remodeling under the prerequisite not exceeding the technical scheme described in claim.

Claims (5)

1. a cultural method for Bostrichthys sinensis, is characterized in that, comprises the following steps:
(1) fish pond is selected
The pool, fish pond salinity water is 5 ~ 15 ‰, the depth of water 1 ~ 1.5m, and dissolved oxygen amount >=4mg/L, pH is 8 ~ 9, transparency 30 ~ 50cm, fish pond area 1 ~ 1.5 mu, and barnacle pool base, spreads husky mud at the bottom of the pool;
(2) to clean up the pond rich water
Fishpond water is put dry, desilting, be exposed to the sun dry and cracked at the bottom of pond, spread at the bottom of the pool after pond is carried out disinfection and perch things concealed, water inlet, to execute after ammonium carbonate 0.5 ~ 1Kg/ mu and superphosphate 0.05 ~ 0.1Kg/ mu rich water 3 ~ 5 days;
(3) seedling is put
In the fish pond after rich water, throw in fry, the fry release time is between 3 ~ May, and fry specification is 30 ~ 40 tails/Kg, and input density is 4000 ~ 5000 tails/mu;
(4) cultivate
After fry is thrown in, within 1st ~ 3 days, forbid feeding intake, 4th day starts manufactured feed of throwing something and feeding, manufactured feed is invested in feed frame, feed frame is sunken to the water surface 30 ~ 40cm, feed frame is placed by the quantity of 12 ~ 15/mu, within 4th ~ 7 days, throw something and feed continuously, the concrete grammar of throwing something and feeding continuously is: the timing of morning, noon and afternoon every day period is thrown something and fed three times, morning, manufactured feed feeding volume was 1 ~ 1.5% of fish body gross weight, noon, manufactured feed feeding volume was 0.5 ~ 0.8% of fish body gross weight, and manufactured feed feeding volume is 1 ~ 1.5% of fish body gross weight at dusk; 8th day starts, and carry out segmentation and throw something and feed until fish is recuperated into, the concrete grammar that segmentation is thrown something and fed is: as body size < 20 tails/Kg, sooner or later timing is thrown something and fed twice, stop after throwing something and feeding continuously 5 ~ 7 days to feed 1 ~ 2 day, each feeding volume is 6 ~ 8% of fish body weight, and circulation is thrown something and fed according to this; As 20 tails/Kg≤body size≤10 tail/Kg, timing sooner or later throws something and feeds twice, and stop after throwing something and feeding continuously 3 ~ 4 days to feed 1 ~ 2 day, each feeding volume is 4 ~ 5% of fish body weight, and circulation is thrown something and fed according to this; As body size > 10 tails/Kg, timing is is at dusk thrown something and fed once, and throw something and feed every other day, each feeding volume is 4 ~ 6% of fish body weight, and circulation is thrown something and fed according to this; Described manufactured feed is made up of the raw material of following weight portion: 70 ~ 75 parts of fish meal, 15 ~ 20 parts of expanded corn powders, 1 ~ 3 part of soybean lecithin, 3 ~ 5 parts of brewer's yeasts, 3 ~ 5 parts of fish oil, 1 ~ 3 part of rosemary, Xue MingRosma rinus officinalis powder, 0.3 ~ 0.5 part of compound vitamin additive, 0.3 ~ 0.5 part of composite mineral matter additive, 0.3 ~ 0.5 part of growth accelerator, 0.3 ~ 0.5 part of composite feeding promoting agent; In compound vitamin additive described in every 1000g, containing 5 ~ 10g vitamin A, 1 ~ 3g vitamin d 3 , 10 ~ 15g vitamin E, 3 ~ 5g vitamin K 3, 5 ~ 8g Cobastab 1, 5 ~ 8g Cobastab 2, 9 ~ 12g Cobastab 6, 15 ~ 20g calcium pantothenate, 2 ~ 5g folic acid, 0.5 ~ 1g Cobastab 12, 30 ~ 50g vitamin C, all the other are wheat bran; In composite mineral matter additive described in every 1000g, containing 100 ~ 120g sodium chloride, 200 ~ 250g magnesium glycinate, 120 ~ 150g potassium chloride, 1.5 ~ 3g cupric glycinate, 5 ~ 8g ferrous bisglycinate chelate, 5 ~ 8g zinc methionine, 3 ~ 5g Mn-Gly, 0.1 ~ 0.3g Potassiumiodate, 0.1 ~ 0.3g cobalt methionine, 0.03 ~ 0.05g sodium selenite, all the other are zeolite powder; Described growth accelerator is made up of bacillus subtilis, Choline Chloride, citric acid and bromelain, and in growth accelerator, the mass percentage of each component is: bacillus subtilis 3 ~ 5%, Choline Chloride 40 ~ 50%, citric acid 3 ~ 5%, bromelain surplus; Described composite feeding promoting agent is made up of spirulina powder, Mussel Powder, fish soluble slurry protein powder and inositol, and in composite feeding promoting agent, the mass percentage of each component is: spirulina powder 10 ~ 20%, inositol 3 ~ 5%, Mussel Powder 30 ~ 40%, fish soluble slurry protein powder surplus.
2. the cultural method of a kind of Bostrichthys sinensis according to claim 1, is characterized in that, in step (two), described in perch things concealed be one or more in jar, watt cylinder, thick bamboo tube, plastic tube, watt cylinder.
3. the cultural method of a kind of Bostrichthys sinensis according to claim 1, it is characterized in that, step (three) is before putting seedling, to fry disinfection, the concrete grammar of the process of sterilization is: embathe 2 ~ 5h with the saline solution of 3 ~ 5% to fry, with 10 ~ 12mg/L Eusol, 20 ~ 30min is embathed to fry, or with 20 ~ 25mg/L liquor potassic permanganate, 20 ~ 30min is embathed to fry.
4. the cultural method of a kind of Bostrichthys sinensis according to claim 1, is characterized in that, in step (four), manufactured feed blasts air after throwing in below feed frame.
5. the cultural method of a kind of Bostrichthys sinensis according to claim 1, is characterized in that, in step (four), changes water 1/4 ~ 1/3 every 2 ~ 3 days.
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