CN109965151A - A kind of fish meal and preparation method thereof in pig manure source - Google Patents
A kind of fish meal and preparation method thereof in pig manure source Download PDFInfo
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- CN109965151A CN109965151A CN201910323302.5A CN201910323302A CN109965151A CN 109965151 A CN109965151 A CN 109965151A CN 201910323302 A CN201910323302 A CN 201910323302A CN 109965151 A CN109965151 A CN 109965151A
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K10/00—Animal feeding-stuffs
- A23K10/10—Animal feeding-stuffs obtained by microbiological or biochemical processes
- A23K10/12—Animal feeding-stuffs obtained by microbiological or biochemical processes by fermentation of natural products, e.g. of vegetable material, animal waste material or biomass
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K10/00—Animal feeding-stuffs
- A23K10/20—Animal feeding-stuffs from material of animal origin
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K10/00—Animal feeding-stuffs
- A23K10/20—Animal feeding-stuffs from material of animal origin
- A23K10/26—Animal feeding-stuffs from material of animal origin from waste material, e.g. feathers, bones or skin
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K10/00—Animal feeding-stuffs
- A23K10/30—Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms
- A23K10/37—Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms from waste material
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/20—Inorganic substances, e.g. oligoelements
- A23K20/24—Compounds of alkaline earth metals, e.g. magnesium
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K50/00—Feeding-stuffs specially adapted for particular animals
- A23K50/80—Feeding-stuffs specially adapted for particular animals for aquatic animals, e.g. fish, crustaceans or molluscs
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
- Y02A40/818—Alternative feeds for fish, e.g. in aquacultures
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/87—Re-use of by-products of food processing for fodder production
Abstract
A kind of pig manure source fish meal, the raw material including following parts by weight: 55-70 parts of rotted pig manure mixture, 30-40 parts of auxiliary material；The fermentation substrate of rotted pig manure mixture includes following parts by weight raw material: 15-20 parts of pig manure, 15-20 parts of potato rattan, 5-15 parts of biogas residue, 1-10 parts of living body earthworm；Auxiliary material includes that earthworm is 5-20 parts dry.The present invention not only has abundant, balanced nutritive value, but also safety with higher using rotted pig manure mixture made from above-mentioned fermentation substrate.In addition, the rotted pig manure mixture and the dry pig manure source fish meal prepared collectively as main component of earthworm are met the taste preference of fish, safety and environmental protection can efficiently promote the growth and development of fish by the present invention.
Description
Technical field
The invention belongs to aquaculture feed fields, and in particular, to a kind of pig manure source fish meal and preparation method thereof.
Background technique
In raising fish and shrimp field, the feed of fishes and shrimps is the important influence factor for influencing fishes and shrimps quality.Fishes and shrimps commodity at present
There is at high cost and extra feeds, and pollution can be led to the problem of to water body for feed.In aquaculture industry no matter fishes and shrimps, it is main
It will be by high commercial feed as cultivation source of nutrition；The cost of fishes and shrimps feed accounts for the major part of raising fish and shrimp investment.
In recent years, the intensivization development of China's animal husbandry is swift and violent, and breeding way produces a large amount of fowl and animal excrement.Statistics is extremely
2010, livestock-raising excrement total emission volumn in China's was 1,900,000,000 tons, nearly 2 tons of contaminant capacity of average per hectare arable land, it is estimated that, arrive
The year two thousand twenty whole nation fowl and animal excrement total release will rise to 3,000,000,000 tons.China's " general Check bulletin of national first secondary source of pollution " in 2010
As the result is shown: China's feces of livestock and poultry is innoxious, recycling and commercialization disposition rate only account for 29%, and the COD of discharge accounts for
Agricultural non-point source pollution 95.78%, total nitrogen account for 37.89%, total phosphorus and account for 56.30%, Pollution from livestock and poultry has become agriculture
Industry pollution of area source it is first because.
Pig manure contains the organic matters such as a large amount of nitrogen, phosphorus, potassium element and protein, fat, is a kind of excellent nutrient source.Benefit
It is the effective measures for realizing stool detection with biogas anaerobic fermentation technical treatment excrement, excrement is through biogas anaerobic fermentation skill
The biogas generated after art processing can be used as the energy for producing and living by desulfurization process, and the rotted pig manure of generation is not only one
The good agricultural fertilizer of kind or a kind of good breeding feed.Currently, the biogas residue of China's production is primarily used to agriculture fertilizer
Material, and the then only fragmentary use in terms of breeding feed, not yet form biggish scale.
Summary of the invention
The object of the present invention is to provide a kind of pig manure source fish meals and preparation method thereof, to solve the above technical problems in
At least one.
According to an aspect of the present invention, a kind of pig manure source fish meal, the raw material including following parts by weight: decomposed are provided
55-70 parts of pig manure mixture, 30-40 parts of auxiliary material；The fermentation substrate of rotted pig manure mixture includes following parts by weight raw material: pig
15-20 parts of excrement, 15-20 parts of potato rattan, 5-15 parts of biogas residue, 1-10 parts of living body earthworm；Auxiliary material includes that earthworm is 5-20 parts dry.
Preferably, fermentation substrate further includes 10-15 parts of cellulosic ethanol grain liquid.
Preferably, fermentation substrate further includes 0.5-3 parts of sepiolite.
Preferably, fermentation substrate includes the raw material of following parts by weight: 18 parts of pig manure, 18 parts of potato rattan, 9 parts of biogas residue, fibre
Tie up plain 7.5 parts of ethyl alcohol grain liquid, 1.5 parts of sepiolite, 6 parts of wheat bran, 5 parts of living body earthworm.
Preferably, auxiliary material further includes that earthworm is 10 parts dry.
Preferably, auxiliary material further includes 15 parts of corn, 10 parts of cavings.
According to an aspect of the present invention, the preparation method of pig manure source as described above fish meal is provided, comprising the following steps:
(1) raw material of composition fermentation substrate is weighed respectively, and fermentation substrate is made in mixing；(2) aerobic fermentation obtains decomposed pig to decomposed
Excrement mixture；(3) rotted pig manure mixture and auxiliary material are mixed, finished product.
The present invention according to nutrition complement principle using pig manure, biogas residue, potato rattan as fermentation substrate main component, using fibre
Tie up the aerobic fermentation process that plain ethyl alcohol grain liquid, living body earthworm and sepiolite take part in fermentation substrate jointly, cellulosic ethanol grain liquid
In containing suitable acidity and alkalinity environment and abundant there are many organic acid abundant, can be provided for the microorganism in fermentation system
Organic nutrient substance promotes the growing multiplication of microorganism, at fermentation initial stage, the feed of living body earthworm, digestion in system, conversion hair
Waste material nutrients in ferment system reduces the content of beary metal of fermentation system, and on the other hand, living body earthworm wriggles in matrix
So that fermentation substrate becomes loose ventilative, aerobic fermentation may advantageously facilitate.And when fermentation system enters hot stage, living body earthworm
Because of high temperature death, corpse can be used as the protein sources with high nutritive value, participate in aerobic fermentation jointly.And as fermentation bottom
The sepiolite of one of raw material can further reduce the content of beary metal in fermentation system.Thus obtained rotted pig manure is mixed
Object is closed, not only there is abundant, balanced nutritive value, but also safety with higher.The present invention is by rotted pig manure mixture
With the dry pig manure source fish meal prepared collectively as main component of earthworm, meet the taste preference of fish, safety and environmental protection, Neng Gougao
Effect ground promotes the growth and development of fish.
Specific embodiment
It in order to enable those skilled in the art to better understand the solution of the present invention, below will be to the skill in the embodiment of the present invention
Art scheme is clearly and completely described, it is clear that and the described embodiment is only a part of the embodiment of the present invention, without
It is whole embodiments.
The preparation of 1 rotted pig manure mixture of embodiment
Raw material used by rotted pig manure mixture manufactured in the present embodiment and its corresponding weight fraction arrange in table 1
Out, parts by weight are corresponded to according to raw material components listed by table 1 and weighs each raw material.By the pig manure of precise, potato rattan, natural pond
Slag, cellulosic ethanol grain liquid, sepiolite, wheat bran and the mixing of living body earthworm, stirring complete the preparation of fermentation substrate to mixing.Make
To decomposed, chamber wall is equipped with circular aperture of ventilating to fermentation substrate for spontaneous fermentation in lidded container, and the radius of aperture is
1mm, it is open using lid covering container during test, it prevents living body earthworm from escaping because temperature increases, it is mixed to obtain rotted pig manure
After closing object, it is down to room temperature naturally, it is spare.
The raw material and its parts by weight of the pig manure source fish meal of 1 the present embodiment of table
Comparative example 1
The present embodiment is set using the comparative example as embodiment 1, the specific set-up mode of the present embodiment is as follows: accurate
18 parts of pig manure, 30.5 parts of potato rattan, 9 parts of biogas residue, 1.5 parts of sepiolite and 6 parts of wheat bran mixing are weighed, stirring completes hair to mixing
The preparation of ferment substrate；Making fermentation substrate, to decomposed, chamber wall is equipped with circular aperture of ventilating for spontaneous fermentation in lidded container,
The radius of aperture is 1mm, open using lid covering container during test, prevents living body earthworm from escaping because temperature increases, obtains
To after rotted pig manure mixture, it is down to room temperature naturally, it is spare.
Comparative example 2
The present embodiment is set using the comparative example as embodiment 1, the specific set-up mode of the present embodiment is as follows: accurate
18 parts of pig manure, 7.5 parts of cellulosic ethanol grain liquid, 9 parts of biogas residue, 1.5 parts of sepiolite and 29 parts of wheat bran mixing are weighed, are stirred to mixed
It is even, complete the preparation of fermentation substrate；Making fermentation substrate, to decomposed, chamber wall is equipped with ventilation circle for spontaneous fermentation in lidded container
The aperture of shape, the radius of aperture are 1mm, open using lid covering container during test, prevent living body earthworm from increasing because of temperature
And escape, after obtaining rotted pig manure mixture, it is down to room temperature naturally, it is spare.
Comparative example 3
The present embodiment is set using the comparative example as embodiment 1, the specific set-up mode of the present embodiment is as follows: accurate
18 parts of pig manure, living body earthworm 5,9 parts of biogas residue, 1.5 parts of sepiolite and 31.5 parts of wheat bran mixing are weighed, stirring completes hair to mixing
The preparation of ferment substrate；Making fermentation substrate, to decomposed, chamber wall is equipped with circular aperture of ventilating for spontaneous fermentation in lidded container,
The radius of aperture is 1mm, open using lid covering container during test, prevents living body earthworm from escaping because temperature increases, obtains
To after rotted pig manure mixture, it is down to room temperature naturally, it is spare.
Comparative example 4
The present embodiment is set using the comparative example as embodiment 1, the specific set-up mode of the present embodiment is as follows: accurate
Weigh 18 parts of pig manure, 18 parts of potato rattan, 5 parts of living body earthworm, 9 parts of biogas residue, 1.5 parts of sepiolite and 13.5 parts of wheat bran mixing, stirring
To mixing, the preparation of fermentation substrate is completed；Making fermentation substrate, to decomposed, chamber wall is equipped with logical for spontaneous fermentation in lidded container
The circular aperture of gas, the radius of aperture are 1mm, open using lid covering container during test, prevent living body earthworm because of temperature
It increases and escapes, after obtaining rotted pig manure mixture, be down to room temperature naturally, it is spare.
Comparative example 5
The present embodiment is set using the comparative example as embodiment 1, the specific set-up mode of the present embodiment is as follows: accurate
It is mixed to weigh 18 parts of pig manure, 18 parts of potato rattan, 9 parts of biogas residue, 7.5 parts of cellulosic ethanol grain liquid, 1.5 parts of sepiolite and 11 parts of wheat bran
It closes, stirring completes the preparation of fermentation substrate to mixing；Make fermentation substrate in lidded container spontaneous fermentation to decomposed, chamber wall
It is equipped with circular aperture of ventilating, the radius of aperture is 1mm, it is open using lid covering container during test, prevent living body earthworm
Earthworm is escaped because temperature increases, and after obtaining rotted pig manure mixture, is down to room temperature naturally, spare.
Comparative example 6
The present embodiment is set using the comparative example as embodiment 1, the specific set-up mode of the present embodiment is as follows: accurate
It is mixed to weigh 18 parts of pig manure, 18 parts of potato rattan, 9 parts of biogas residue, 7.5 parts of cellulosic ethanol grain liquid, 5 parts of living body earthworm and 7.5 parts of wheat bran
It closes, stirring completes the preparation of fermentation substrate to mixing；Make fermentation substrate in lidded container spontaneous fermentation to decomposed, chamber wall
It is equipped with circular aperture of ventilating, the radius of aperture is 1mm, it is open using lid covering container during test, prevent living body earthworm
Earthworm is escaped because temperature increases, and after obtaining rotted pig manure mixture, is down to room temperature naturally, spare.
Embodiment 2
1. experimental setup mode
Rotted pig manure mixture, and corresponding implementation are prepared according to the scheme that embodiment 1 and comparative example 1-5 are provided respectively
Example 1, comparative example 1, comparative example 2, comparative example 3, comparative example 4, comparative example 5 are respectively labeled as compareing
Processing, processing I, processing II, processing III, processing IV, processing V.
2. test item
2.1 fermentation temperatures measurement: straight with thermosensitive thermometer on the day of experimental period and later every 10 points of the morning or so of 3 days
It patches at compost or less 25cm, measures compost temperature.
The measurement of 2.2 compost maturities: taking compost matter sample every 3 days, with physiological saline, by compost matter: physiological saline=
It is spare that compost extraction is made in the ratio of 1:5.It is uniformly put into 20 cucumber seeds on a culture dish, while compost leaching is added
Extract 5mL after cultivating 48h in 25 DEG C of dark life incubators, calculates bud ratio.
2.3 full nitrogen, full phosphorus and the measurement of full potassium content:
At the 0th day (before compost fermentation starts) of experimental period and enter the 21st day of experimental period respectively, in fermentation system
100g sample is taken to carry out the assay of full nitrogen, full phosphorus and full potassium.
The measurement of total nitrogen content: the sample through air-drying, crushing, refine, uniform is coated with after crossing 0.15mm sieve with masking foil,
Using elemental analyser (Vario EL), the measurement of full carbon and total nitrogen content is carried out by dry combustion method.3 weights are arranged in each sample
It is multiple.
The assay of full phosphorus and full potassium: the sample after air-drying, and crush, uniforming crosses 0.85mm sieve, accurately weighs sample
0.5~1.0g of product (is accurate to 0.001g), is digested with sulfuric acid and hydrogen peroxide, constant volume, stands clarification, filtering.Reference has
Machine fertilizer agricultural industry criteria, with Color Comparison Method of Ammonium Vanadate-molybdate content of tatal phosphorus；Full potassium content is measured with flare photometer.Often
A sample carries out 3 repetitions.
3. test result
Microbial activity in thermotonus in decomposed fermentation process fermentation system, the temperature reached is higher, high temperature
(>=55 DEG C) duration in stage is longer, and microbial activity is stronger.According to data cited by table 2 it is found that control treatment into
Hot stage is come into when entering after experimental period the 6th day, the duration of hot stage is 9 days, during which the average temperature of system
Degree reaches 64.25 DEG C, has reached the maximum value in all processing groups.Alignment processing I and the fermentation system of processing V enter high temperature
The time in stage is slow compared with other processing groups, and the duration of hot stage is also relatively short.The fermentation system of alignment processing II
Hot stage hold time be it is shortest in all processing groups, only continue for 6 days.
The germination index of seed can be used as an important biomolecule index for judging compost fermentation rotten degree, when the germination of seed
Index has been more than 50%, then illustrates that compost is substantially decomposed.It is right respectively when into experimental period 12 days according to the data that table 3 is listed
It answers control treatment and the seed germination index of processing II to have been over 50%, it is decomposed to illustrate that system has basically reached, with
The propulsion of experimental period, when into experimental period 15 days, participate in test all processing groups all basically reach it is decomposed.It is tested by entering
Phase the 21st day, the seed germination index of corresponding control treatment had reached 95%, was significantly higher than other each processing groups.
Above-mentioned test result explanation, in all processing groups, the microorganism in the fermentation system of control treatment has higher
Bioactivity, can well in fermentation system growing multiplication and effectively by fermentation system nutriment carry out benefit
With and conversion.
The compost fermentation temperature statistics of each experimental group of 2 the present embodiment of table
The seed germination index of each experimental group of 3 the present embodiment of table counts
The corresponding full carbon of processing group, full nitrogen, full phosphorus and the full potassium mass fraction and corresponding growth rate such as table of this section setting
Shown in 4-6.Compared with before compost fermentation, full nitrogen, full phosphorus, the full potassium mass fraction of each experimental group after compost increase.It is corresponding
Full nitrogen, full phosphorus, the full potassium content of control treatment have reached the maximum value of each processing group, wherein the growth rate of its full nitrogen and full phosphorus
It is significantly higher than other processing groups.It is evaluated in conjunction with the above-mentioned microbial activity in corresponding different disposal group fermentation system, it can be with
It further explains, the material conversion that the microorganism in the fermentation system of corresponding control treatment can more efficiently be provided is
Nutriment makes the rotted pig manure mixture finally obtained have higher nutritive value.
Influence of 4 raw material type of table to product total nitrogen content
Influence of 5 raw material type of table to product content of tatal phosphorus
Influence of 6 raw material type of table to the full potassium content of product
Embodiment 3
1. experimental setup mode
Rotted pig manure mixture, and corresponding implementation are prepared according to the scheme that embodiment 1 and comparative example 5,6 provide respectively
Example 1, comparative example 5, comparative example 6 be respectively labeled as control treatment, processing 1., processing 2..
2. test item
The dense HNO of 1mL is added in weighed 0.1g (being accurate to 0.000 1) sample3, the dense HCl of 3mL, 3mL HF and
0.5mL HClO4Then resolution moves to 50mL volumetric flask with the solution dissolution of distilled water, chloroazotic acid volume ratio 1:1 after clearing up completely
Middle constant volume filtering, finally, being contained using inductive coupling plasma emission spectrograph (ICP-OES 8300) measurement Pb, Cr and As
Amount, utilizes the heavy metal total content in atomic absorption spectrophotometer test sample.
3. test result
Pb, Cr, As content and heavy metal total content test result of sample are listed in table 7: being set in the present embodiment
In the three processing groups set, the content of control treatment corresponding Pb, Cr and As all respectively reach a corresponding huge sum of money in three groups of samples
Belong to the minimum value of content, and the heavy metal total content in its sample is also significantly lower than remaining two groups of sample.Wherein, it respectively corresponds pair
It is substantially less than the sample of alignment processing 2. according to Cr, As content of the sample of processing and processing 1., illustrates that living body earthworm can be effective
Cr and As in ground passive sample；And the Pb content for respectively corresponding the sample of control treatment and processing 2. is substantially less than alignment processing
1. sample, illustrate the Pb that sepiolite can effectively in passive sample.
Elemental analysis result in 7 excrement sample of table
Embodiment 4
The rotted pig manure mixture of the preparation of embodiment 1 is taken according to different weight ratio and earthworm does, and weighs corn 15
Part, 10 parts of cavings, above-mentioned raw materials are uniformly mixed, and dry, chopping is added the feed worked good with granular feed processing machine
Granular pig manure source fish meal is made in work.The present embodiment using rotted pig manure mixture and earthworm it is dry between weight ratio as
Different experimental groups is arranged in variable, and specific set-up mode is as shown in table 8, and two control groups are arranged, in which: 1 group of control weighs
75 parts of rotted pig manure mixture, it is dry to be added without earthworm；2 groups are compareed, earthworm is weighed and does 75 parts, be added without rotted pig manure mixture.
The weight ratio that rotted pig manure and earthworm do in the corresponding fish meal raw material of each experimental group of table 8
Animal experiment
1. experimental animal and experimental design
Loach juvenile fish is sterilized 5 minutes using 3% saline solution, the loach juvenile fish that specification is close, healthy is selected and temporarily supports 4 circles
Feeding loach scrod feed in shape water vat (2m × 2m × 1.5m), after resting 24 hours, (Xiamen Jia Kang feed corporation,Ltd is raw
Produce), it is grouped at random after raising and train 7 days.By long (5.2~5.9) the cm/ tail of 900 urosomes, average original body mass (1.86 ± 0.11) g/
The loach juvenile fish of tail is divided into 6 groups, and feed feeds 1 group of control, 2 groups of control, 1 group of experiment, 2 groups of experiment, 3 groups of experiment and experiment 4 respectively
Group fish meal obtained, each 3 repetitions of processing group group, each 50 tail fish of repetition.Experimental period is 7 weeks.
2. feeding management
Test fish raising is diameter 0.9m in specification, and in the round culturing jar of high 0.8m, the breeding water body of test is about
380L.Apparently being satiated with food by test fish weight 3%~5% after feeding 3 times (7:00,12:00,17:00), bait throwing in 1 hour daily will
Residual bait and excrement pull drying out and weigh and record.During cultivation, the tap water after 17:00~19:00 aeration changes water daily
1/3.Daily monitoring water quality, water temperature, the The dead quantity of test fish and feeding behaviour etc..21~25 DEG C of water temperature, pH value during cultivation
7.1~7.6, dissolved oxygen >=6.2mg/L.
3. testing index
Stop to feed 24 hours at the end of feeding experiment, after weighing, measures and calculate following growth performance index.
Rate of body weight gain (%)=100 × (Wt-W0)/W0
Specific growth rate (%/d)=100 × (lnWt-lnW0)/t
Feed coefficient=FC/ (Wt-W0)
Grazing rate (%)=100 × FC/ ((W0+Wt)/2)/t
Survival rate (%)=100 × Nf/Ni
In formula: W0 (g) is that every tail fish is averaged original body mass；Wt
(g) it is averaged terminal weight for every tail fish；FC (g) is that average every tail fish ingests feed total amount (air-drying sample weight)；Wp(g)
To take in total protein；T (d) is feeding number of days；Ni is initial fish tail number；Nf terminal fish tail number.
4. data statistics and analysis
Test data indicates to carry out data using 16.0 software of SPSS single with mean+SD (Mean ± SD)
Analysis of variance (P=0.05).
5. test result
Test fish growth performance related data measured by experimental period is listed in table 9, each group test fish in experimental period
Growth and development generally in health, at the end of experimental period, each group can be maintained for up to 95% or more survival rate,
Illustrate fish meal manufactured in the present embodiment safety with higher.Compare the corresponding rate Celsius of each experimental group it can be found that with
Earthworm in feed do increasing proportion, the reason of grazing rate is presented growth trend, leads to this result may be the dry ratio of earthworm
The taste preference of the more compound loach of rotted pig manure mixture.Rate of body weight gain, specific growth rate and the feed coefficient of corresponding experiment 1-4 group
All it is higher than the related data of 2 groups of 1 group of control and control, illustrates dry collectively as fish meal with rotted pig manure mixture and earthworm
Raw material addition, is more advantageous to the growth and development of test fish.The corresponding rate of body weight gain data of each experimental group are compared, corresponding 2 groups of experiment
Rate of body weight gain is significantly higher than other experimental groups.In addition, the corresponding specific growth rate for testing 2 groups and feed coefficient have all respectively reached institute
There is the maximum value of experimental group corresponding data.It is therefore contemplated that when according to rotted pig manure mixture: earthworm is dry=the raw material weight of 65:10
Amount ratio prepares fish meal, and the feeding effect of products obtained therefrom is best.
9 test fish growth performance related data of table
Finally it should be noted that the above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof, to the greatest extent
Invention is explained in detail referring to above-described embodiment for pipe, it should be understood by a person of ordinary skill in the art that technology
Personnel read present specification after still can with modifications or equivalent substitutions are made to specific embodiments of the invention, but this
A little modifications are changed within all without departing from the present patent application accompanying claims protection scope.
Claims (8)
1. a kind of pig manure source fish meal, which is characterized in that the raw material including following parts by weight: rotted pig manure mixture 55-70
Part, 30-40 parts of auxiliary material；The fermentation substrate of the rotted pig manure mixture includes following parts by weight raw material: 15-20 parts of pig manure,
15-20 parts of potato rattan, 5-15 parts of biogas residue, 1-10 parts of living body earthworm；The auxiliary material includes that earthworm is 5-20 parts dry.
2. pig manure source as described in claim 1 fish meal, it is characterised in that: the fermentation substrate further includes cellulosic ethanol grain liquid
10-15 parts.
3. pig manure source as described in claim 1 fish meal, it is characterised in that: the fermentation substrate further includes 0.5-3 parts of sepiolite.
4. pig manure source as described in claim 1 fish meal, which is characterized in that the fermentation substrate includes the original of following parts by weight
Material: 18 parts of pig manure, 18 parts of potato rattan, 9 parts of biogas residue, 7.5 parts of cellulosic ethanol grain liquid, 1.5 parts of sepiolite, 6 parts of wheat bran, living body earthworm
5 parts of earthworm.
5. pig manure source as claimed in claim 4 fish meal, it is characterised in that: the auxiliary material further includes that earthworm is 10 parts dry.
6. pig manure source as claimed in claim 5 fish meal, it is characterised in that: the auxiliary material further includes 15 parts of corn, 10 parts of cavings.
7. the preparation method of pig manure source fish meal as described in claim any one of 1-6, which comprises the following steps:
(1) raw material for forming the fermentation substrate is weighed respectively, mixes, the fermentation substrate is made；
(2) aerobic fermentation obtains the rotted pig manure mixture to decomposed；
(3) the rotted pig manure mixture and the auxiliary material are mixed, finished product.
8. preparation method as claimed in claim 7, it is characterised in that: before fermentation starts, adjust the aqueous of the fermentation substrate
It measures to 60-65%.
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| CN201910323302.5A CN109965151A (en) | 2019-04-22 | 2019-04-22 | A kind of fish meal and preparation method thereof in pig manure source |
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| CN201910323302.5A CN109965151A (en) | 2019-04-22 | 2019-04-22 | A kind of fish meal and preparation method thereof in pig manure source |
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| CN201910323302.5A Pending CN109965151A (en) | 2019-04-22 | 2019-04-22 | A kind of fish meal and preparation method thereof in pig manure source |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114009632A (en) * | 2021-11-23 | 2022-02-08 | 中科国发(深圳)技术有限公司 | Method for preparing biological medicine fish feed from biogas slurry and hydrolyzed organic matter and fish feed |
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Application publication date: 20190705 |