CN108902542A - A kind of yellow spot fish feed and preparation method thereof containing sargassum thunbergii - Google Patents
A kind of yellow spot fish feed and preparation method thereof containing sargassum thunbergii Download PDFInfo
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Abstract
The present invention relates to a kind of yellow spot fish feed and preparation method thereof containing sargassum thunbergii, including protein sources raw material, fat source raw material, sugar source raw material and auxiliary material further include the sargassum thunbergii powder that weight percent is 10.0~20.0%.The protein sources raw material is fish meal；The fat source raw material is fish oil；The sugar source raw material is tapioca；The auxiliary material is selected from one or more of multi-vitamins, composite ore substance, microcrystalline cellulose, calcium dihydrogen phosphate, choline chloride, ascorbic acid.Crude protein 32.0%, crude fat 8.0%, remainder are carbohydrate, crude fibre, ash content and moisture.Feed nutrition of the invention is comprehensive, sargassum thunbergii powder is added in the feed formula of yellow spot fish, yellow spot fish rate of body weight gain and survival rate are not significantly different, and be conducive to improve yellow spot fish digestive enzyme activity, nonspecific immunity of organism and oxidation resistance, enhance in breeding process that yellow spot fish is disease-resistant, anti-stress ability, reduce and lost caused by disease and environmental change, reduces feed cost.
Description
Technical field
The present invention relates to fish feed field more particularly to a kind of yellow spot fish feeds and its preparation side containing sargassum thunbergii
Method.
Background technique
Yellow spot fish (Siganus canaliculatus) is commonly called as " mud is violent ", is Osteichthyes, and Perciformes pierces tail fish
Suborder, Siganidae, one kind that blue sub- fish belongs to.It is distributed widely in the torrid zone in India-Pacific Ocean and Mediterranean Eastern China seas, Asia
Tropical offshore phytal zone or coral zone are mainly distributed on southeastern coast and Taiwan sea area in China, like in Mangrove Wetlands, sea
Algae bed, river Hai Kouchu are inhabited.Vulnerable to external environmental interference, stimulated body colour blackening resists the enemy sharp fin spine opening, on fin spine
With poison gland, can cause to have an intense pain after being pierced.Lan Ziyu belongs to the inclined phytophagous fish of omnivorousness, is often with the miscellaneous algae on reef
Food.Wild yellow spot fish discovery is dissected, is largely Microalgae in stomach and intestine, separately there is a small amount of fish, shellfish residue, natural conditions
Under, blue sub- fish is fond of fresh green alga, phytobenthos.Because its eat algae characteristic, for cleaning net cage and pond in miscellaneous algae purpose,
Lan Ziyu is often raised together with other aquatic livestocks, such as grouper, sea cucumber etc..At present yellow spot fish aquaculture large-scale development by
The restriction of two aspect factors to feed based on algae, shellfish and iced trash fish etc., causes to grow first is that feed nutrition is not comprehensive
Slowly, and algae, shellfish and iced trash fish etc. have the shortcomings that supply it is unstable, it is difficult storage, nutritional imbalance and feed coefficient it is high,
It is bound to cause the huge pollution and destruction of water body environment, is unfavorable for the production of yellow spot fish large-scale farming；Second is that disease is serious,
Survival rate is low.Due to feeding the feed of not comprehensive nutrition to yellow spot fish for a long time, yellow spot fish is caused to resist the energy of disease
Power is low.Therefore, research and development nutrition is comprehensive and meets the yellow spot fish mixed feed of environmental requirement, oneself is at the task of top priority.
In addition, fish of the yellow spot fish as a kind of inclined phytophagous of feeding habits, all compare carnivorous fish to the demand ratio of protein and fat
Class is low, can make dedicated cooperation by modifying feed formula using the characteristics of its phytophagous with algae powder part substitution fish meal and raise
Material.
Sargassum thunbergii (Sargassum thunbergii) is Phaeophyta, Cyclosporae, Fucales, Sargassaceae, horse hair
One kind of Trentepohlia, blade is fresh and tender, soft, full of nutrition, is especially free of a large amount of phycocolloid, is chiefly used in feeding scallop at present,
The aquatic livestocks young such as stichopus japonicus.Sargassum thunbergii growth rapidly, has very strong vitality, power of regeneration is extremely strong.Its not only delicious flavour,
Nutritive value is high, and has medical value.It was found that dry sargassum thunbergii crude fibre rich in, carbohydrate, protein
And ash content, and contain a small amount of fat.Correlative study for sargassum thunbergii nutritional ingredient is it has been reported that sargassum thunbergii dry powder crude protein
About 19.35%, crude fat 0.41%, total reducing sugar 65.6%, ash content 14.44%.The crude protein content of sargassum thunbergii and kelp
(8.70%) and thallus laminariae (17.20%) etc. is compared, relatively high.And ash content accounting is with respect to kelp (20.00%), thallus laminariae
(35.40%) lower.The detailed Study on Amino Acid Composition of Bagging of sargassum thunbergii finds that the total amino acid content (removing tryptophan) of sargassum thunbergii is
16.5g/100g, wherein essential amino acids content is 5.27g/100g, and content of glutamic acid is 5.36g/100g, content of glutamic acid
Opposite Sargassum horneri (content of glutamic acid 1.58g/100g) wants high, and delicate flavour is higher, and attractant effect is more preferable.Meanwhile sargassum thunbergii contain it is higher
Insoluble diedairy fiber, can be used as the additive of fortified feed shape, allow aquatic feeds structure more consolidation, in water not
Easily leach.Therefore, sargassum thunbergii is the marine algae for being appropriate for very much high industrial and melting hair, great exploitation prospect.But
It is the environment side by north due to this sargassum suitable growth of sargassum thunbergii, could be only grown in particular season in south, and blue son
The breeding environment of fish but partial heat band is chiefly used in clearing up that net cage is miscellaneous to support so more in south cultivation in the north, does not do generally special
Breed variety is there is no at present using sargassum thunbergii as the report of yellow spot fish feed.
Summary of the invention
Aiming at the problems existing in the prior art, the purpose of the present invention is to provide a kind of yellow spot fish containing sargassum thunbergii
Feed and preparation method thereof.
A kind of yellow spot fish feed containing sargassum thunbergii, including protein sources raw material, fat source raw material, sugar source raw material and auxiliary
Material, which is characterized in that further include the sargassum thunbergii powder that weight percent is 10.0~20.0%.
Preferably, the weight percent of the sargassum thunbergii powder is 15.0~20.0%.
Preferably, the protein sources raw material is fish meal；The fat source raw material is fish oil；The sugar source raw material is para arrowroot
Powder；The auxiliary material is selected from multi-vitamins, composite ore substance, microcrystalline cellulose, calcium dihydrogen phosphate, choline chloride, ascorbic acid
One or more of.
Preferably, the feed is made of the nutritional ingredient of following weight percent：Crude protein 32.0%, crude fat
8.0%, remainder is carbohydrate, crude fibre, ash content and moisture.
Preferably, the auxiliary material includes multi-vitamins and composite ore substance；The wherein weight hundred of the multi-vitamins
Divide ratio 0.5~1.0%, the weight percent of composite ore substance is 0.5~1.0%.
Preferably, the auxiliary material is selected from one of following components in percentage by weight or several：Multi-vitamins 0.5
~1.0%, composite ore substance 0.5~1.0%, microcrystalline cellulose 1.0~6.0%, calcium dihydrogen phosphate 0.2~0.5%, chlorination gallbladder
Alkali 0.5~1.0%, ascorbic acid 0.2~0.5%.
It preferably, mainly include following components and its parts by weight：Fish meal 43.5%~50.0%, tapioca 28.3%~
38.7%, fish oil 4.0~4.4%, multi-vitamins 0.5~1.0%, composite ore substance 0.5~1.0%, microcrystalline cellulose 1.3
~5.3%, calcium dihydrogen phosphate 0.5~1.0%, choline chloride 0.5~1.0%, sargassum thunbergii powder 10.0~20.0%.
It is furthermore preferred that mainly including following components and its parts by weight：Fish meal 46.5%, tapioca 33.5%, fish oil
4.2%, microcrystalline cellulose 3.3%, calcium dihydrogen phosphate 0.5%, choline chloride 1.0%, multi-vitamins 0.5%, mixed mineral
Matter 0.5%, sargassum thunbergii powder 10.0%.
It is furthermore preferred that mainly including following components and its parts by weight：Fish meal 45.5%, tapioca 30.9%, fish oil
4.3%, multi-vitamins 0.5%, composite ore substance 0.5%, microcrystalline cellulose 2.3%, calcium dihydrogen phosphate 0.5%, chlorination gallbladder
Alkali 1.0%, sargassum thunbergii powder 15.0%.
It is furthermore preferred that mainly including following components and its parts by weight：Fish meal 43.5%, tapioca 28.3%, fish oil
4.4%, multi-vitamins 0.5%, composite ore substance 0.5%, microcrystalline cellulose 1.3%, calcium dihydrogen phosphate 0.5%, chlorination gallbladder
Alkali 1.0%, sargassum thunbergii powder 20.0%.
It is furthermore preferred that mainly including following components and its parts by weight：Fish meal 44%, tapioca 29.6%, fish oil
4.3%, multi-vitamins 0.5%, composite ore substance 0.5%, microcrystalline cellulose 1.6%, calcium dihydrogen phosphate 0.5%, chlorination gallbladder
Alkali 1.0%, sargassum thunbergii powder 18.0%.
The preparation method of the above-mentioned yellow spot fish feed containing sargassum thunbergii, mainly includes the following steps that：
(1) sargassum thunbergii acquires：After sargassum thunbergii acquisition, cleaning removes impurity, is dehydrated after drying in the shade with centrifugal dehydrator, is centrifuged
The revolving speed of dewaterer is 3000~5000 revs/min, centrifugal dehydration 3~10 minutes；
(2) prepared by sargassum thunbergii powder：Sargassum thunbergii is put into drying box drying, drying temperature is 60~75 DEG C, and dry 4~5 is small
When, moisture content is controlled 10~15%, is then crushed to 80~120 mesh with pulverizer, spare；
(3) it mixes：By sargassum thunbergii powder and smashed protein sources raw material, sugar source raw material and auxiliary material, by additive amount from small
To mixing step by step greatly, pure water is added, stirs, obtains material A；
(4) extruding：By the material A into expanded pellet diet machine extruding, material B is obtained；
(5) it sprays：Fat source raw material is sprayed on material B according to the weight percent of regulation, after fully absorbing
Obtain the yellow spot fish finished feed containing sargassum thunbergii.
Preferably, it is uniformly mixed after the moisture of material A being adjusted to 20% in the step (4), it is swollen into expanded pellet diet machine
Change, swelling temperature is 110~120 DEG C.
It is uniform in order to be mutually mixed when guaranteeing mixing to control the particle size crushed, if partial size is excessive, feed
It is easy to scatter；Meticulous easy peeling.
Compared with prior art, the sargassum thunbergii powder of proper proportion is added into yellow spot fish mixed feed by the present invention,
The feed structure of addition sargassum thunbergii powder obviously becomes consolidation, and the mechanical strength after immersion is higher, different with sargassum thunbergii additive amount, can
Keep the time comparison control group floated and character is intact that can extend 1.5~2 hours in water.It is not easy to leach in water, favorably
In the utilization rate for improving feed, waste caused by avoiding feed from leaching.And feed nutrition of the invention is comprehensive, is not influencing Huang
Under the premise of the growth of the blue sub- fish of spot, the usage amount of fish meal is reduced, feed cost is reduced.In the feed formula of yellow spot fish
Sargassum thunbergii powder is added, yellow spot fish rate of body weight gain and survival rate are not significantly different, and are conducive to raising yellow spot fish and are disappeared
Change enzyme activity, nonspecific immunity of organism and oxidation resistance, enhances that yellow spot fish in breeding process is disease-resistant, resisting stress energy
Power reduces and loses caused by disease and environmental change.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, the present invention will be made below further detailed
Description.
Embodiment 1
By sargassum thunbergii additive amount be 10% based on, feed formula as shown in table 1 (numerical value is weight percentage), according to
Following preparation step prepares feed：
1. sargassum thunbergii acquires：After sargassum thunbergii acquisition, cleaning removes impurity, is dehydrated after slightly drying in the shade with centrifugal dehydrator, from
The revolving speed of heart dewaterer is 3000~5000 revs/min, centrifugal dehydration 3~10 minutes；
2. prepared by sargassum thunbergii powder：Sargassum thunbergii is put into drying box drying, drying temperature is 60~70 DEG C, and dry 4~5 is small
When, moisture content is controlled 10~15%, is then crushed to 80~120 mesh with pulverizer, spare；
3. mixing：Sargassum thunbergii powder and smashed protein sources raw material, sugar source raw material are mixed by defined weight percent
It with auxiliary material each component, is mixed step by step from small to large by additive amount, pure water is added, stirs, obtains material A；
4. extruding：It is uniformly mixed after the moisture of material A is adjusted to 20%, is placed on -20 DEG C of ice with sealed bag is packaged
It is taken out after being refrigerated 3-5 hours in cabinet, into expanded pellet diet machine extruding, swelling temperature is 110~120 DEG C, obtains material B；
5. spraying：Fat source raw material is sprayed on material B according to the weight percent of regulation, after fully absorbing
Obtain the finished feed that sargassum thunbergii powder content is 10~20%.
Embodiment 2
The optimal feed formula of yellow spot fish containing sargassum thunbergii in order to obtain, is adjusted to 15% for sargassum thunbergii content, and adjust
The proportion (the mainly adjustment of the ratio of the fillers such as fish oil and microcrystalline cellulose) of whole raw material, auxiliary material, is made different macula luteas
Blue sub- carp compound feed, as shown in table 1 (numerical value is weight percentage), preparation step is the same as embodiment 1 for feed formula.
Embodiment 3
The optimal feed formula of yellow spot fish containing sargassum thunbergii in order to obtain, is adjusted to 20% for sargassum thunbergii content, and adjust
The proportion (the mainly adjustment of the ratio of the fillers such as fish oil and microcrystalline cellulose) of whole raw material, auxiliary material, is made different macula luteas
Blue sub- carp compound feed, as shown in table 1 (numerical value is weight percentage), preparation step is the same as embodiment 1 for feed formula.
Embodiment 4
The optimal feed formula of yellow spot fish containing sargassum thunbergii in order to obtain, is adjusted to 18% for sargassum thunbergii content, and adjust
The proportion (the mainly adjustment of the ratio of the fillers such as fish oil and microcrystalline cellulose) of whole raw material, auxiliary material, is made different macula luteas
Blue sub- carp compound feed, as shown in table 1 (numerical value is weight percentage), preparation step is the same as embodiment 1 for feed formula.
Control group
Control group is without sargassum thunbergii yellow spot fish feed formula, and specific formula is as shown in table 1, preparation step and implementation
Example 1 is similar.
The component and its percentage composition of the yellow spot fish feed containing sargassum thunbergii in 1 embodiment 1-4 of table, control group
Note：A. tapioca is commercial product, can be from internal sources market purchasing；
B. fish meal is U.S.'s fish meal, crude protein content 65.0%, fish oil content 8.5%；
C. sargassum thunbergii powder protein content is 19.0%, crude fat content 0.5%, coarse ash 30.1%；
D. the auxiliary materials such as multi-vitamins, composite ore substance, calcium dihydrogen phosphate, choline chloride can be purchased from internal feed factory；
With formula feed prepared by embodiment 1, the yellow spot fish that weight is 1.80g ± 0.10g is raised.The present embodiment is
In the cage culture that about 100 meters of offshore of marine steck carry out, aquaculture net cage is 1 × 1 × 1.5m, covers net cage with cover net, prevents
Experiment fish escapes and is preyed on by aquatic bird.Every group of 3 parallel tests, each 30 tail fish of parallel test.Temperature during cultivation is 20
~26 DEG C, salinity is 27~31 degree, after cultivation 56 days, measures each growth indexes and each digestive enzyme activity and physiological and biochemical index.
The result of Examples 1 to 4 is as shown in table 2, table 3.
The yellow spot fish growth indexes and each digestive enzyme activity that table 2 is embodiment 1-4, the feed in control group is raised
Note：In addition to survival rate, other data are average value ± standard error (n=3)；In data of going together, without identical small letter
Female labeler indicates mutual significant difference (P<0.05), there is identical lowercase or indicate that mutual difference is not shown to make mark
Write (P>0.05)
From the point of view of the growth indexes of table 2, the opisthosoma of the feed group for the sargassum thunbergii powder for being 10% containing weight percent in example 1
Weight, rate of body weight gain, specific growth rate are substantially lower than control group (P<0.05), survival rate is without significant difference, it is possible thereby to which inference exists
When sargassum thunbergii powder additive amount is 10% in feed, yellow spot fish does not have growth vigor.On this basis, the present invention is by matching
The improvement of side and the experiment for having carried out embodiment 2 and embodiment 3.It is shown from 2 data of table, control group and embodiment 2,3 compare, real
It applies between example 2,3 and control group, the growth indexes such as opisthosoma weight, rate of body weight gain, specific growth rate are not significantly different (P>0.05).
The every growth indexes and embodiment 2 of embodiment 3 are without significant difference (P>0.05), but numerically it is less than embodiment 2, thus it is speculated that growth
State starts to glide.On the basis of embodiment 3, feed formula is advanced optimized and obtains embodiment 4, from the number of table 2
According to can find, although the opisthosoma weight of embodiment 4, rate of body weight gain specific growth rate and the comparison of embodiment 2,3 there was no significant difference (P>
0.05), but increased, it is also closest with the growth conditions of control group.
The digestive enzyme activity discovery for comparing several keys, compared with control group and embodiment 1, the stomach cardia of embodiment 2,3
Enzyme activity increases, but the not significant (P of difference>0.05), the liver fat enzyme activity of embodiment 1 significantly improves (P<
0.05), the liver fat enzyme activity of embodiment 3 is preferably minimized but with control group without significant difference (P>0.05).Enteron aisle is as fish
The most important digestion and absorption place of class, enteron aisle amylase activity height directly affect the ability of seawood meal in fish digestion feed,
Each group discovery is compared, though the entero-amylase vigor of embodiment 1,2 is improved compared with the control group, without marked difference (P>
0.05), the yellow spot fish enteron aisle amylase activity of embodiment 3 significantly improves, and illustrates that embodiment 3 disappears for the algae powder in feed
It is stronger than other groups to change absorbability.Comprehensive growth indexes and digestive enzyme force data compare, it can be deduced that：It is most suitable in feed
The sargassum thunbergii powder additive amount for closing yellow spot fish growth is 15%, and growth indexes start to glide when additive amount reaches 20%,
But not significant (P>0.05).In order to not influence the growth of yellow spot fish, sargassum thunbergii additive amount is no more than 20% in feed.And
When additive amount reaches 20%, the enteron aisle amylase activity of yellow spot fish is in high level, illustrates to the plant in feed
The abilities of digestive and absorption of ingredient is most strong.And the embodiment 4 after optimization is compared, every digestive enzyme activity of yellow spot fish compares
Height, wherein peptic activity of stomach is most strong, but with other groups there was no significant difference (P>0.05), the entero-amylase of embodiment 4 work
Power comparative example 3 and control group are all significantly increased (P<0.05), thus it is speculated that yellow spot fish enteron aisle shallow lake can be improved in sargassum thunbergii
The vigor of powder enzyme.
The yellow spot fish physiological and biochemical index that table 3 is embodiment 1-4, the feed in control group is raised
Note：Data are average value ± standard error (n=3)；In data of going together, no identical lowercase labeler indicates mutual
Between significant difference (P<0.05), there is identical lowercase or indicate the not significant (P of mutual difference to make mark>0.05)
From table 3 it can be seen that embodiment 1,2 and 3 is compared with the control group, acid phosphatase, alkaline phosphatase enzyme activity in serum
Power there are no significant difference (P>0.05), illustrate in serum, the non-specific immunity of the yellow spot fish in each example is without aobvious
Write difference.But control group (P is all remarkably higher than in two kinds of Phosphatase Activities of liver, embodiment 1<0.05), illustrate the blue son of macula lutea
The feed that fish eats the formula can significantly improve internal non-specific immunity.And acid, the alkaline phosphatase activity of embodiment 2
It is above control group, but does not have significant difference, is illustrated between two groups of fishes, 2 liver non-specific immunity of embodiment wants slightly higher
In control group, but it is on close level.And embodiment 2 and control group are above for the acid-base property Phosphatase Activity of embodiment 3, wherein
Alkaline phosphatase activity is significantly higher than control group (P<0.05), illustrate that the sargassum thunbergii powder of addition 20% in feed can significantly improve
The non-specific immunity of yellow spot fish.From the point of view of the oxidation resistance of table 3, the total antioxidant capacity of each embodiment is above
Control group, wherein the antioxidative activities of embodiment 1 are significantly higher than control group (P<0.05).Activity of catalase between each group without
Significant difference (P>0.05).The superoxide dismutase activity of embodiment 1 is significantly higher than control group (P<0.05), embodiment
2,3 superoxide dismutase activities are not also above control group but significant.Items by the embodiment 4 of further formulation optimization are non-
Specific immunity index and embodiment 3 there was no significant difference (P>0.05), but the wherein acid phosphatase of liver, total antioxidation
Power, catalase, superoxide dismutase are slightly above embodiment 3, illustrate the formula cultivation macula lutea after being optimized with embodiment 4
Lan Ziyu, non-specific immunity are better than embodiment 3, while can also be significantly stronger than control group.It therefore can be with inference, in Huang
The nonspecific immunity of organism and antioxygen of yellow spot fish can be improved in addition sargassum thunbergii powder in the feed formula of the blue sub- fish of spot
Change ability, enhances in breeding process that yellow spot fish is disease-resistant, anti-stress ability, reduces and loses caused by disease and environmental change.
In conjunction with table 2,3 data of table analysis it can be concluded that, for reduce production cost, considered from economic benefit, not
Under the premise of significantly affecting yellow spot fish growth, the optimum addition of sargassum thunbergii is 20% in feed, and fingerling at this time is to feeding
The abilities of digestive and absorption of material is most strong, and can save 6% fish meal additive amount compared with the control group, and matching for comparative example 2 can
Preferably save production cost.But if comprehensively considering the energy of the growing state of yellow spot fish and the disease-resistant resisting stress of fish body
Power, the performance by the embodiment 4 advanced optimized are more stronger than embodiment 3.To sum up, it is raised according to the optimization of C/C composites in embodiment 4
Yellow spot fish feed of the material preparation containing sargassum thunbergii can achieve maximum economic benefit.
It is found during culture experiment, finds that embodiment 1-4 obtains the yellow spot fish feed containing sargassum thunbergii at that time
It has floated and has still remained intact in bucket for 7 hours.It is not easy to leach in water, is conducive to the utilization rate for improving feed, avoids feed
Waste caused by leaching.
Finally it should be noted that：The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (9)
1. a kind of yellow spot fish feed containing sargassum thunbergii, including protein sources raw material, fat source raw material, sugar source raw material and auxiliary material,
It is characterized in that, further including the sargassum thunbergii powder that weight percent is 10.0~20.0%.
2. the yellow spot fish feed containing sargassum thunbergii according to claim 1, which is characterized in that the weight of the sargassum thunbergii powder
Percentage is 15.0~20.0%.
3. the yellow spot fish feed according to claim 1 or claim 2 containing sargassum thunbergii, which is characterized in that the protein sources raw material
For fish meal；The fat source raw material is fish oil；The sugar source raw material is tapioca；The auxiliary material is selected from multi-vitamins, mixes
Close one or more of minerals, microcrystalline cellulose, calcium dihydrogen phosphate, choline chloride, ascorbic acid.
4. the yellow spot fish feed according to claim 1 or claim 2 containing sargassum thunbergii, which is characterized in that the feed is by as follows
The nutritional ingredient of weight percent forms：Crude protein 32.0%, crude fat 8.0%, remainder are carbohydrate, crude fibre, ash
Point and moisture.
5. the yellow spot fish feed containing sargassum thunbergii according to claim 3, which is characterized in that the auxiliary material includes compound dimension
Raw element and composite ore substance；The wherein weight percent 0.5~1.0% of the multi-vitamins, the weight hundred of composite ore substance
Divide than being 0.5~1.0%.
6. the yellow spot fish feed containing sargassum thunbergii according to claim 3, which is characterized in that the auxiliary material is selected from following heavy
Measure one of component of percentage or several：Multi-vitamins 0.5~1.0%, composite ore substance 0.5~1.0%, crystallite
Cellulose 1.0~6.0%, calcium dihydrogen phosphate 0.2~0.5%, choline chloride 0.5~1.0%, ascorbic acid 0.2~0.5%.
7. the yellow spot fish feed containing sargassum thunbergii according to claim 1, which is characterized in that mainly include following components and
Its parts by weight：Fish meal 43.5%~50.0%, tapioca 28.3%~38.7%, fish oil 4.0~4.4%, multi-vitamins
0.5~1.0%, composite ore substance 0.5~1.0%, microcrystalline cellulose 1.3~5.3%, calcium dihydrogen phosphate 0.5~1.0%, chlorine
Change choline 0.5~1.0%, sargassum thunbergii powder 10.0~20.0%.
8. the preparation method of the yellow spot fish feed described in -7 any one containing sargassum thunbergii according to claim 1, which is characterized in that
It mainly includes the following steps that：
(1) sargassum thunbergii acquires：After sargassum thunbergii acquisition, cleaning removes impurity, is dehydrated after drying in the shade with centrifugal dehydrator, centrifugal dehydration
The revolving speed of machine is 3000~5000 revs/min, centrifugal dehydration 3~10 minutes；
(2) prepared by sargassum thunbergii powder：Sargassum thunbergii is put into drying box drying, drying temperature is 60~75 DEG C, 4~5 hours dry, water
Divide content control 10~15%, is then crushed to 80~120 mesh with pulverizer, it is spare；
(3) it mixes：By sargassum thunbergii powder and smashed protein sources raw material, sugar source raw material and auxiliary material, from small to large by additive amount
It mixes step by step, pure water is added, stirs, obtains material A；
(4) extruding：By the material A into expanded pellet diet machine extruding, material B is obtained；
(5) it sprays：Fat source raw material is sprayed on material B according to the weight percent of regulation, can be obtained after fully absorbing
Yellow spot fish finished feed containing sargassum thunbergii.
9. preparation method according to claim 8, which is characterized in that be adjusted to the moisture of material A in the step (4)
It is uniformly mixed after 20%, into expanded pellet diet machine extruding, swelling temperature is 110~120 DEG C.
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| CN111202185A (en) * | 2020-01-07 | 2020-05-29 | 香港科技大学深圳研究院 | Additive-containing feed for siganus and nutrition detection method thereof |
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| CN103053834A (en) * | 2012-12-26 | 2013-04-24 | 汕头大学 | Feed with addition of enteromorpha algae and asparagus for siganids and method for preparing same |
| CN104957429A (en) * | 2015-07-20 | 2015-10-07 | 青岛海之星生物科技有限公司 | High-quality compound feed for Cynoglossus semilaevis Gunther and preparation method thereof |
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