CN100355361C - Formula of tiny pellet feed for fishes in bothid and true plaice, and preparation method - Google Patents
Formula of tiny pellet feed for fishes in bothid and true plaice, and preparation method Download PDFInfo
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- CN100355361C CN100355361C CNB2005100443250A CN200510044325A CN100355361C CN 100355361 C CN100355361 C CN 100355361C CN B2005100443250 A CNB2005100443250 A CN B2005100443250A CN 200510044325 A CN200510044325 A CN 200510044325A CN 100355361 C CN100355361 C CN 100355361C
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Abstract
The present invention relates to micro granulated feed proportion of bastard halibut and pleuronectid fishes and a preparation method thereof. The material and the use level comprises: 5% of white fish powder, 30% of shrimp powder, 25% of mussel powder, 10% of hydrolyzing squid protein powder, 18% of hydrolyzing gadoid protein powder, 5% of fish oil, 2% of lecithin, 0.3% of betaine hydrochloride, 1% of vitamin, 1% of mineral substance and 2.7% of starch, and 90 mg/kg of beta-carotene and 1000 mg/kg of trypsinase are added. The processing technology comprises: after the materials are fully blended according to the use level of the main formula feed, the beta-carotene and the trypsinase are respectively added, the mixture is fully blended, and variation coefficients are smaller than or equal to 10%; 2% of sodium alginate is used as adhesives, and overstock forming is carried out; after that the mixture is placed in a vacuum pump and is dried at temperature of 50 DEG C for 24 hours, and feed granules are respectively crushed to be of 50 to 125 mu m, 125 to 200 mu m and 200 to 400 mu m. The micro granulated feed can be extensively applied to fingerling production of bastard halibut and pleuronectid fishes, and can replace 40% to 67% of biologic bait feed. The survival rate of bastard halibut and pleuronectid larvae is improved by 18.8% by production and application, a special growth rate is improved by 2%, an albefaction rate is reduced by 30%, and water stability can be maintained for 30 hours, that is to say, the micro granulated feed is not diffused within 30 hours. The micro granulated feed has selective diffusion properties, easy dispersion and no conglomeration. The sedimentation rate reaches up to 25 cm/h.
Description
Technical field:
The invention belongs to the preparation technique of seawater fish mixed feed, is a kind of compound method of left-eyed flounder micro-granulated feed.
Background technology:
The fish seed is the material base of marine fish culture industry, also is the important prerequisite of guaranteeing stable high yield.In seawater fry rearing, the subject matter of appearance is that the cultivation of fry will rely on live bait at present.Though up to the present; in the fish fry rearing; the utilization live bait is better than artifical compound feed; but live bait also has disadvantageous one side during extensive use, in order to ensure the supply continous-stable of live bait, then needs to set up one " food chain " and cultivates algae and zooplankter; need expend very big man power and material and invest in this " food chain "; and live bait cultivates very big difficulty arranged in production management, is subject to the influence of factors such as weather, thereby causes live bait output and nutritive value instability.(France in 1993) such as Person-Le Ruyet calculates the expense of live bait in the cultivation of the hyoid tooth perch young, finds that the expense that is used for live bait accounts for 79% of producing cost when growing seedlings 45 ages in days.In the young cultivation in preceding 3 middle of the month, the expense of live bait accounts for 50%.
For a long time, people attempt to work out artifical compound feed, replace live bait to cultivate the seawater fish young, and this feed can be saved significantly and produce investment, satisfies the nutritional need of the young.And output and quality are continual and steady.In recent years, research mainly concentrate on searching can replacing whole or part substitute the particulate feed of live bait, though obtained marked improvement, micro-granulated feed still can't reach the effect of feeding with live bait, especially flounder flounder class.Liu Yue etc. (nineteen ninety-five Liaoning Inst of Marine Products) are with the microparticle bait seedling of lefteye flounder of feeding, and the effect of finding microparticle bait is not as live bait, and when throwing something and feeding wheel animalcule to seedling, the survival rate of seedling is 36.33%; And when throwing something and feeding microparticle bait, the survival rate of seedling only is 3.67%.Zhang Limins etc. (Shandong Prov. Marine Aquatic Product Inst in 1998) have been developed the young postlarva particulate of marine fishes mixed feed and have been had stronger water stability, can keep 24h not defeated and dispersed in water.But digestibility, the survival rate of young postlarva are lower, and the albefaction rate of flounder flounder class is higher.
Summary of the invention:
The objective of the invention is to propose a kind of compound method of left-eyed flounder micro-granulated feed, replacing whole or part substitute live bait, improve the speed of growth and the survival rate of the flounder flounder class young, reduce the albefaction rate of the flounder flounder class young.
The present invention finishes by following operating technology: its technical scheme mainly is the compound method of micro-granulated feed, mainly comprises selection, micro-granulated feed compound method and the technology of the selection of micro-granulated feed raw material and preliminary treatment, non-nutritive additive.
The selection of micro-granulated feed raw material: the protein sources raw material selects for use white fish meal, shrimp med, mussel meat, hydrolysis squid albumen powder, hydrolysis cod albumen powder to mix; Additive adopts trypsin inhibitor, adds beta carotene simultaneously.
The preliminary treatment of micro-granulated feed raw material: 1, select commercially available Argentinian squid for use, blend, add formic acid (85%) and mix, make pH reach 3.65 ± 0.06 storages 10 days under room temperature, fully stir at duration of storage in the ratio of 22g/kg to 5.5mm.Steam to moisture with Rotary Evaporators and to reach 50%, freeze drying promptly obtains hydrolysis squid albumen powder to moisture 10% again; 2, select codfish for use, blend, transfer PH=4, add acid protease (w/w, 50,000Ug with formic acid (85%) to 5.5mm
-1), and mix, storage is 10 days under room temperature, fully stirs at duration of storage.Steam to moisture with Rotary Evaporators and to reach 50%, freeze drying promptly obtains hydrolysis cod albumen powder to moisture 10%.
Microparticle main feed prescription: white fish meal 5%, shrimp med 30%, mussel powder 25%, hydrolysis squid albumen powder 10%, hydrolysis cod albumen powder 18%, fish oil 5%, lecithin 2%, betaine HCL 0.3%, vitamin mixtures 1%, mineral mixture 1%, starch 2.7%.
The micro-granulated feed non-nutritive additive: select beta carotene and trypsase, beta carotene is 90mg/kg, and trypsase is 1000mg/kg.
Technology: the main formula that at first will note flounder flounder class micro-granulated feed, should satisfy the nutritional need of flounder flounder class, fish meal is the high quality white fish meal in the feedstuff, shrimp med, mussel powder be respectively high-quality shrimp and mussel through 70 ℃ of dry ultramicro grinding to 0.075mm, hydrolysis squid albumen powder and hydrolysis cod albumen powder micro mist respectively are broken to 0.075mm, fish oil, lecithin do not become sour for having, oxidisation odour, that other raw material does not have yet is mouldy, rotten, caking, insect pest etc., and feedstuff 95% is by 0.075mm hole testing sieve.Main formula adds the 90mg/kg beta carotene respectively after pressing the abundant mixing of feed consumption, the trypsase of 1000mg/kg.Make its abundant mixing, the coefficient of variation≤10%, sodium alginate with 2% is made adhesive, overstock moulding with screw rod feed make-up machine, for preventing the destruction of nutritional labeling, feed granules was placed 50 ℃ of dryings of vavuum pump 24 hours, feed granules is crushed to 50-125 μ m, 125-200 μ m, 200-400 μ m is standby.
The contrast of the present invention and prior art has following characteristics:
1, added the multiple protein source in the feed, can make feed that a rational nutrition composition is arranged, good physical property, water stability is strong, in water, keep 30 hours not defeated and dispersed.
2, micro-granulated feed of the present invention has the characteristic of selectivity diffusion, is easy to disperse not conglomeration, suitable sink-float.Sinking speed reaches 25cm/h.
3. owing in feed, having added hydrolysis cod albumen powder and trypsin inhibitor the feed digestibility is strengthened; Add glycinebetaine and hydrolysis squid albumen powder in the feed, greatly strengthened the attractant of particulate feed.The biological feed that can replace 40%-70% can make flounder flounder class larvae survival rate improve 18.8%, and albefaction rate reduces by 30%, and special growth rate improves 2%.
Embodiment:
The technology of the present invention, utilize high quality white fish meal, shrimp med, mussel powder, hydrolysis cod albumen powder and hydrolysis squid albumen powder etc., adopt special processing technology to make the particulate feed, the seawater bastard halibut and plaice of feeding can replace the biological feed of 40%-70%, can make flounder flounder class larvae survival rate improve 18.8%, special growth rate improves 2%, albefaction rate reduces by 30%, and water stability is strong, in water, keep 30 hours not defeated and dispersed.Have the characteristic of selectivity diffusion, be easy to disperse not conglomeration.Sinking speed reaches 25cm/h.
1 ton of test manufacture micro-granulated feed, effect is good.
Be described in detail compound method of the present invention below by embodiment.
The present invention finishes by following operating technology: its technical scheme mainly is the compound method of micro-granulated feed, mainly comprises selection, micro-granulated feed prescription and the technology of the selection of micro-granulated feed raw material and preliminary treatment, non-nutritive additive.
The selection of micro-granulated feed raw material: the protein sources raw material selects for use white fish meal, shrimp med, mussel meat, hydrolysis cod albumen powder and hydrolysis squid albumen powder to mix; Additive adopts trypsin inhibitor and beta carotene.
The preliminary treatment of micro-granulated feed raw material: 1, select commercially available Argentinian squid for use, blend, add formic acid (85%) and mix, make pH reach 3.65 ± 0.06 storages 10 days under room temperature, fully stir at duration of storage in the ratio of 22g/kg to 5.5mm.Steam to moisture with Rotary Evaporators and to reach 50%, freeze drying promptly obtains hydrolysis squid albumen powder to moisture 10% again; 2, select codfish for use, blend, transfer PH=4, add acid protease (w/w, 50,000Ug with formic acid (85%) to 5.5mm
-1), and mix, storage is 10 days under room temperature, fully stirs at duration of storage.Steam to moisture with Rotary Evaporators and to reach 50%, freeze drying promptly obtains hydrolysis cod albumen powder to moisture 10%.
Microparticle main feed prescription: white fish meal is 5%, shrimp med is 30%, the mussel powder is 25%, and the hydrolysis squid powder is 10%, and hydrolysis cod albumen powder is 18%, fish oil is 5%, lecithin is 2%, and betaine HCL is 0.3%, and vitamin mixtures is 1%, mineral mixture is 1%, and starch is 2.7%.
The micro-granulated feed non-nutritive additive: select beta carotene and trypsase, beta carotene is 90mg/kg, and trypsase is 1000mg/kg.
Technology: the main formula that at first will note flounder flounder class micro-granulated feed, should satisfy the nutritional need of flounder flounder class, fish meal is the high quality white fish meal in the feedstuff, shrimp med, mussel powder be respectively high-quality shrimp and mussel through 70 ℃ of dry ultramicro grinding to 0.075mm, hydrolysis squid albumen powder and the other micro mist of hydrolysis cod albumen powder oversubscription are broken to 0.075mm, fish oil, lecithin do not become sour for having, oxidisation odour, that other raw material does not have yet is mouldy, rotten, caking, insect pest etc., adds feedstuff 95% by 0.075mm hole testing sieve.After main formula is pressed the abundant mixing of feed consumption, add and add the beta carotene of main feed 0.009% and 0.1% trypsase respectively, make its abundant mixing, the coefficient of variation≤10% is made adhesive with 2% sodium alginate, overstock moulding with screw rod feed make-up machine, for preventing the destruction of nutritional labeling, feed granules was placed 50 ℃ of dryings of vavuum pump 24 hours, the feed granules fragmentation is respectively to 50-125 μ m, 125-200 μ m, 200-400 μ m is standby.
The best screening process of implementing prescription: the quality of the feeding effect of micro-granulated feed and forage compounding and feedstuff is closely related, should make mixed feed satisfy flounder flounder growth needs, fish meal is the high quality white fish meal in the feedstuff, shrimp med, the mussel powder be respectively high-quality shrimp and mussel through 70 ℃ of dry ultramicro grinding to 0.075mm, hydrolysis squid albumen powder and the other micro mist of hydrolysis cod albumen powder oversubscription are broken to 0.075mm, fish oil, lecithin does not become sour for having, oxidisation odour, other raw material does not have mouldy yet, rotten, caking, insect pests etc., feedstuff 95% is by 0.075mm hole testing sieve.After main formula was pressed the abundant mixing of feed consumption, the beta carotene that adds 90mg/kg respectively was the trypsase of 1000mg/kg.Make its abundant mixing, the coefficient of variation≤10%, sodium alginate with 2% is made adhesive, overstock moulding with screw rod feed make-up machine, for preventing the destruction of nutritional labeling, feed granules was placed 50 ℃ of dryings of vavuum pump 24 hours, the feed granules fragmentation is respectively to 50-125 μ m, 125-200 μ m, 200-400 μ m is standby.
Finish above-mentioned preparation and at first will screen, grasp suitable technical parameter selection, preliminary treatment and the processing technology of micro-granulated feed raw material.The selection and the suitable addition that comprise the micro-granulated feed raw material; The suitable addition of micro-granulated feed non-nutritive additive; The suitable addition of micro-granulated feed pretreated feedstock; The screening of processing technology.
1. the selection of micro-granulated feed raw material reaches suitable addition: adopt white fish meal A respectively, shrimp med B, mussel powder C and compound protein source D (are by fish meal, shrimp med, mussel powder and squid protein hydrolysate powder combine), in these four groups of feeds, add hydrolysis cod albumen powder respectively, prescription is as table 1, the beta carotene that adds above-mentioned raw materials main feed percentage by weight 0.09% respectively, 0.1% trypsase, abundant mixing, adopt above-mentioned prescription to make mixed feed, raise lefteye flounder respectively, turbot and Cynoglossus semilaevis, observe it to survival rate, special rate of body weight gain, the influence of albefaction rate, as table 2, table 3 and table 4.
Table 1: each organizes feed formula
| Composition | A | B | C | D |
| Fish meal | 70 | 5 | ||
| Shrimp med | 70 | 30 | ||
| The mussel powder | 70 | 25 | ||
| Fish oil | 5 | 5 | 5 | 5 |
| Phosphatide | 2 | 2 | 2 | 2 |
| Betaine HCL | 0.3 | 0.3 | 0.3 | 0.3 |
| Starch | 10.7 | 10.7 | 10.7 | 2.7 |
| Hydrolysis cod albumen powder | 10 | 10 | 10 | 18 |
| Hydrolysis squid albumen powder | 10 | |||
| Vitamin mixtures | 1 | 1 | 1 | 1 |
| Inorganic salt mixt | 1 | 1 | 1 | 1 |
Table 2: difference is thrown something and fed combination to the growth before and after the Cynoglossus semilaevis metamorphosis and the influence of survival rate
| Group | Special growth rate SGR (%day - 1)(6-20) | Special growth rate SGR (%day - 1)(21-30) | Special growth rate SGR (%day - 1)(31-60) | Survival rate (%) (6-20) | Survival rate (%) (21-30) | Survival rate (%) (31-6 0) |
| Biological feed | 18.3 ±1.2 a | 13.9 ±1.7 a | 3.1 ±0.57 b | 41.2 ±11.26 a | 89.16 ±4.80 a | 49.27 ±2.08 |
| 1/2 biological feed | 19.3 ±1.9 a | 9.2 ±2.0 b | 2.92 ±0.60 b | 38.0 ±4.86 a | 79.52 ±10.01 a | 42.06 ±3.7 b |
| 1/2 biological feed+1/2 mixed feed | 18.5 ±1.4 a | 12.1 ±2.6 ab | 4.48 ±1.12 a | 40 ±7.63 a | 81.48 ±2.41 a | 62.14 ±7.59 a |
| 1/3 biological feed+2/3 mixed feed | 18.7 ±1.6 a | 11.4 ±2.6 ab | 4.9 ±0.34 a | 48.53 ±6.81 a | 77.08 ±5.05 a | 62.83 ±3.82 a |
Annotate: samely list the different English subscript letter representations in angle there were significant differences (P＜0.05).
When alternative living bait 2/3 (67.7%), the survival rate of Cynoglossus semilaevis and special growth rate all are higher than the biological feed group of throwing something and feeding as can be seen from Table 2.
Table 3: test feed is to the influence of young postlarva growth of turbot and survival rate
| The strategy of throwing something and feeding | Test period | Test whole weight (mg) | Special growth rate SGR (%day -1) | Survival rate (%) |
| Live bait | 3-36 | 384±18 a | 13.83±2.1 a | 38±9.5 a |
| 1/2 live bait+1/2 mixed feed | 3-36 | 378±21 a | 13.78±1.8 a | 35±8.0 a |
| 1/4 live bait+3/4 mixed feed | 3-36 | 322±8 b | 13.30±2.5 a | 35±10.0 a |
| Mixed feed | 3-36 | 286±19c | 12.94±3.5b | 21±6.0c |
Annotate: samely list the different English subscript letter representations in angle there were significant differences (P＜0.05).
Substitute 3/4 living bait as seen from Table 3 with microparticle bait, the special growth rate of turbot is unaffected, and survival rate is lower than 100% live bait group slightly, and is similar in 50% live bait group.。
Table 4: different micro-granulated feeds are to the influence of turbot albefaction and growth
| Feed | The experiment feed | Commercial feed |
| Hatch back 45 days weight (mg) of back 20 days weight (mg) of back 10 days weight (mg) hatching hatching back 30 days weight (mg) hatching | 0.52±0.04 a 13.90±0.52 b 65.5±7.82 a 170.45±2.44 a | 0.41±0.04 a 13.70±2.16 b 55.9±6.98 b 112.50±5.86 b |
| Special growth rate SGR (%) (10-45 days) albefaction rates (%) survival rates (%) 45 days | 16.55±1.87 a 5.0±12 a 36.5±5.5 a | 14.16±1.24 a 35.0±15 b 17.7±2.6 b |
Annotate: samely list the different English subscript letter representations in angle there were significant differences (P＜0.05).
Can make the albefaction rate of turbot reduce by 30% from table 4 micro-granulated feed of the present invention.
The suitable addition of micro-granulated feed non-nutritive additive: the Cynoglossus semilaevis of choosing average dry weight and be prelarva and be 2.74mg is a subjects, in micro-granulated feed, add (0 respectively, 0.05%, 0.1%) trypsase, compare with the biological feed group, observe the influence of the young postlarva of Cynoglossus semilaevis to the utilization rate of micro-granulated feed, test period is 25 days, result such as table 5.
Table 5: add of the influence (test period 25 day) of different content pancreatin to growth of Cynoglossus semilaevis prelarva and survival
| Group (trypsase addition %) | Special growth rate (%day -1) | Survival rate (%) |
| 0 | 4.79±0.12 c | 56.64±5.42 b |
| 0.05％ | 5.72±0.31 b | 65.33±3.35 b |
| 0.1％ | 6.80±0.15 a | 65.01±8.76 b |
| Living bait | 7.61±0.23 a | 79.11±4.39 a |
Annotate: samely list the different English subscript letter representations in angle there were significant differences (P＜0.05).
The special growth rate and the survival rate of the tryptic micro-granulated feed of the visible interpolation 0.1% of table 5 all are higher than other microparticle group.
The suitable addition of preliminary treatment micro-granulated feed raw material: hydrolysis cod albumen is considered to the good protein sources of postlarva always, many experiments all prove status and the effect of protein hydrolysate in postlarva nutrition, substitute protein with the hydrolysis protein part, help young postlarva to the digesting and assimilating of man-made feeds, and can improve growth rate and the survival rate of young postlarva.Add 0,20%, 40%, 60% hydrolysis cod albumen respectively in micro-granulated feed, control group is a feed of the present invention.Observe its growth, the influence of survival to the young postlarva of Cynoglossus semilaevis of 20 ages in days.The nursing time is 20 days, raises result such as table 6.
Table 6: different content hydrolysis cod albumen is to the growth of the young postlarva of Cynoglossus semilaevis, the influence of survival
| Cod hydrolysis protein content (%) | Special growth rate SGR (%) day -1 | Survival rate (%) |
| 0 | 11.2±2.5 b | 32.0±5.2 a |
| 20 | 12.8±3.2 a | 42.5±3.7 b |
| 30 | 11.0±2.8 b | 35.8±5.6 a |
| 40 | 10.9±1.8 b | 28.0±2.6 ab |
| Contrast | 13.9±2.6 a | 44.2±3.4 b |
Annotate: samely list the different English subscript letter representations in angle there were significant differences (P＜0.05).
Special growth rate and survival rate by visible contrast of table 6 and cod hydrolysis protein 20 % group are significantly higher than other group.
The screening of processing technology: adopt freeze drying, 50 ℃ of negative pressure dryings and 90 ℃ of constant pressure and dries respectively, observe its influence, result such as table 7 feed to young postlarva growth of Cynoglossus semilaevis and survival.
Table 7: different processing technologys is to the influence of growth of Cynoglossus semilaevis prelarva and survival
| Processing technology | Survival rate (%) | Special growth rate (%day -1) | Test whole length (mm) |
| Freeze drying | 50.0％±4.86 a | 13.31±7.38 a | 40.13±1.78 a |
| Negative pressure drying (50 ℃) | 47.0％±9.76 a | 12.76±5.23 a | 39.37±7.50 a |
| 90 ℃ of dryings | 45.3％±8.42 a | 10.89±4.39 b | 38.31±2.23 a |
Annotate: samely list the different English subscript letter representations in angle there were significant differences (P＜0.05).
Survival rate and special growth rate by the visible freeze drying group of table 7 and 50 ℃ of negative pressure drying groups are higher than 90 ℃ of dry groups, but the survival rate of freeze drying group and 50 ℃ of negative pressure drying groups and special growth rate do not have significant difference, because cryodesiccated expense is higher, so select 50 ℃ of negative pressure dryings for use.
Claims (2)
1, a kind of compound method of left-eyed flounder micro-granulated feed is characterized in that its batching is made up of main feed and additive; Its main feed: form by white fish meal, shrimp med, mussel powder, hydrolysis squid albumen powder, hydrolysis cod albumen powder, fish oil, lecithin, betaine HCL, vitamin mixtures, mineral mixture, starch; Consumption is by 100 parts of main feeds, its batching proportioning is: white fish meal is 5 parts, and shrimp med is 30 parts, and the mussel powder is 25 parts, hydrolysis squid albumen powder is 10 parts, hydrolysis cod albumen powder is 18 parts, and fish oil is 5 parts, and lecithin is 2 parts, betaine HCL is 0.3 part, vitamin mixtures is 1 part, and mineral mixture is 1 part, and starch is 2.7 parts;
Its additive is beta carotene and trypsase, and its consumption is by 100 parts of main feeds, and then beta carotene is 0,009 part, and trypsase is 0.1 part.
2, a kind of compound method of left-eyed flounder micro-granulated feed as claimed in claim 1 is characterized in that it comprises selection, micro-granulated feed compound method and the technology of the selection of micro-granulated feed raw material and preliminary treatment, non-nutritive additive;
The selection of micro-granulated feed raw material and preliminary treatment:
The selection of micro-granulated feed raw material: the protein sources raw material selects for use white fish meal, shrimp med, mussel powder, hydrolysis squid albumen powder and hydrolysis cod albumen powder to mix, and additive adopts trypsin inhibitor, adds beta carotene simultaneously;
The preliminary treatment of micro-granulated feed raw material: 1, select Argentinian squid for use, blend to 2.5mm, ratio in 22g/kg is added 85% formic acid, and mix, make pH reach 3.65 ± 0.06, storage is 10 days under room temperature, fully stir at duration of storage, steam to moisture with Rotary Evaporators and to reach 50%, freeze drying obtains hydrolysis squid albumen powder to moisture 10% again; 2, select codfish for use, blend, transfer PH=4, add w/w, 50,000 Ug with 85% formic acid to 2.5mm
-1Acid protease, and mixing, storage is 10 days under room temperature, fully stirs at duration of storage, steams to moisture with Rotary Evaporators and reaches 50%, and freeze drying obtains hydrolysis cod albumen powder to moisture 10%;
Micro-granulated feed prescription and technology;
Microparticle main feed batching and consumption: in 100 parts of main feeds, white fish meal is 5 parts, and shrimp med is 30 parts, and the mussel powder is 25 parts, hydrolysis squid albumen powder is 10 parts, hydrolysis cod albumen powder is 18 parts, and fish oil is 5 parts, and lecithin is 2 parts, betaine HCL is 0.3 part, vitamin mixtures is 1 part, and mineral mixture is 1 part, and starch is 2.7 parts;
The pellet non-nutritive additive: select beta carotene and trypsase, in 100 parts of main feeds, then the consumption beta carotene is 0,009 part, and trypsase is 0.1 part;
Micro-granulated feed compound method and technology: fish meal is the high quality white fish meal in the feedstuff, shrimp med, mussel powder are respectively high-quality shrimp and mussel meat, reach 0.075mm through 70 ℃ of dryings, ultramicro grinding, hydrolysis squid albumen powder and the other micro mist of hydrolysis cod albumen powder oversubscription are broken to 0.075mm, fish oil, lecithin do not become sour for having, oxidisation odour, that other raw material does not have yet is mouldy, rotten, caking, insect pest etc., and feedstuff 95% is by 0.075mm hole testing sieve; After main formula is pressed the abundant mixing of feed consumption, be 100 parts in main feed, then beta carotene is 0,009%, trypsase is 0,1%, makes its abundant mixing, the coefficient of variation≤10%, the sodium alginate of adding 2% is made adhesive, overstock moulding with screw rod feed make-up machine,, feed granules was placed vavuum pump 50 dryings 24 hours for preventing the destruction of nutritional labeling, feed granules is crushed to 50-125 μ m respectively, 125-200 μ m, 200-400 μ m, standby.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1579207A (en) * | 2004-05-16 | 2005-02-16 | 林震能 | Microcapsule bait for breeding fish and shrimp fries and production method thereof |
| CN1593189A (en) * | 2004-06-23 | 2005-03-16 | 盘锦光合水产有限公司 | Special synthetic bait for jellyfish breeding |
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Assignee: Fujian Haid Feeds Co., Ltd. Assignor: Inst of Huanghai Sea Marine Products, Chinese Academy of Aquatic Product Science Contract record no.: 2010350000198 Denomination of invention: Formula of tiny pellet feed for fishes in bothid and true plaice, and preparation method Granted publication date: 20071219 License type: Exclusive License Open date: 20060201 Record date: 20100907 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071219 Termination date: 20160729 |
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