CN102972651A - Dog food for improving dog skin and hair health status and preparation method thereof - Google Patents

Dog food for improving dog skin and hair health status and preparation method thereof Download PDF

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CN102972651A
CN102972651A CN2012105022027A CN201210502202A CN102972651A CN 102972651 A CN102972651 A CN 102972651A CN 2012105022027 A CN2012105022027 A CN 2012105022027A CN 201210502202 A CN201210502202 A CN 201210502202A CN 102972651 A CN102972651 A CN 102972651A
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skin
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CN102972651B (en
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钟芳
李玥
徐菲菲
张明秀
李超
刘小楠
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Jiangnan University
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Abstract

The invention discloses a dog food for improving the health state of dog skin and hair and a preparation method thereof, and belongs to the technical field of pet foods. The preparation method of the dog food for improving the health state of dog skin and hair comprises the following steps: crushing, mixing and squeezing main raw materials of chicken, rice and bean pulp and a main functional additive of flaxseed; and then drying, spraying animal and plant fat, and packaging, so as to obtain the dog food for improving the health state of dog skin and hair. According to the invention, during the processing course, flaxseed is added so as to increase the content of linoleic acid and linolenic acid; a dual-screw squeezing technology is selected, as well as the dog food is processed, harmful ingredient-glucoside in the flaxseed is removed by utilizing extrusion at the required high temperature, so that the adding of the flaxseed according to the invention is safe, and the loss of linolenic acid and linoleic acid is reduced. Compared with the traditional dog food processing method of direct adding of unsaturated acid, according to the invention, not only are the nutrition loss and the production cost lowered, but also the health state of experiment dog skin and hair is improved effectively, so that the skin is smooth, fine, moistened and elastic; the hair is soft, smooth and glossy; and the dog food for improving the health state of dog skin and hair and the preparation method thereof have a favorable market competitiveness.

Description

A kind of dog grain that improves dog skin and hair health and preparation method thereof
Technical field
The present invention relates to a kind of dog grain that improves dog skin and hair health and preparation method thereof, belong to pet food and preparing technical field thereof.
Background technology
Along with improving constantly of society living standard, people feed the traditional concept raise to pet dog and also change occuring.Deeply be subjected to American-European impact, feed and raise the first-selection that commodity dog grain has become Chinese pet feeding dog, also so that the pet food industry development of China is rapid, market is huge for this.Yet, after the foreign pet food enterprise that reaches its maturity along with development enters Chinese market in succession, so that China domestic pet food enterprise is faced with again severe survival pressure when welcoming opportunity to develop.Therefore, develop have high-quality, the premium pet foods of the high market competitiveness has become advanced domestic pet food enterprise and research and development institution faces primary problem.
Along with developing rapidly of raising pets, people require also more and more higher for the meals of its pet dog.For general pet master, the Main Basis of judging the pet health situation is whether the skin of pet is smooth, fine and smooth, flexible, and whether the hair of pet soft, smooth, be rich in gloss.But, current commercially available dog grain can only satisfy the basic nutrition demand (such as protein, fat, energy etc.) of pet, and therefore, the pet master can only have great expectations of the enhancing health products with specific function at pet dog skin and hair improvement, but this series products often cost is high, price.Studies show that unrighted acid plays a significant role aspect healthy at the skin of animal and hair.The nutrition improvement scheme of some dog grains is directly to add unrighted acid at present, and there is the problem that the nutrition loss is large, cost compare is high in this in actual production.
Summary of the invention
The present invention seeks to propose a kind of dog grain that improves dog skin and hair health and preparation method thereof.In process, improve linoleic acid and linolenic acid content in the dog grain by the mode of adding linseed, and by the needed high temperature of extrusion so that the harmful components in the linseed--glucosides is removed, so that linseed interpolation in the present invention is safer.Dog grain of the present invention had both satisfied the daily nutrition demand of pet dog, also can improve the health status of pet dog hair and skin.Directly add the dog grain processing technology of unsaturated acids with tradition and compare, the present invention has more advantage at the nutritive loss and the production cost that reduce dog grain, is a kind of functional characteristic dog grain, has very high market value.
Technical scheme of the present invention: a kind of dog grain that improves dog skin and hair health, take chicken, rice and dregs of beans as primary raw material, linseed is the major function additive, through pulverize, mix, after the extruding, again drying, spraying animals and plants fat, packing and make; It is made by the material formula of following parts by weight;
(1) material formula: 8 ~ 15 parts in chicken, 15 ~ 25 parts in refining rice, 15 ~ 25 parts of dregs of beans, 15 ~ 25 parts of corns, 5 ~ 15 parts of wheat flours, 5 ~ 15 parts of fish meal, 5 ~ 10 parts of dusty yeasts, 1 ~ 5 part of linseed, 1 ~ 3 part of calcium monohydrogen phosphate, 0.1 ~ 0.5 part of salt, 0.1 ~ 0.5 part of vitamin premix, 0.1 ~ 0.5 part of mineral substance premix, 0.05 ~ 0.15 part of potassium sorbate.Above-mentioned raw materials after pulverizing, is crossed by micronizer 60 mesh sieves;
Described vitamin premix is the product vitamin(e) supplement electrolysis multidimensional 227g of the luxuriant source of Cangzhou City animal husbandry Co., Ltd dress;
Mineral substance premix is that Heilungkiang giant dragon feed technology Co., Ltd product animal pets fills with micro-1000g.
(2) mix: it is even with mixing of materials through spiral ribbon mixer to crush raw material;
(3) modified: it is 20% ~ 30% that the material that mixes is added the modified one-tenth moisture of water;
(4) extrusion: three sections barrel zone temperatures are followed successively by 60 ~ 90 ℃, 100 ~ 130 ℃, 130 ~ 150 ℃; Moisture content of material is 20% ~ 30%%; Screw speed is 130 ~ 180 r/min; To mix material and put into feeder, enter in the extruder behind the extrusion via feeder, carry out slaking;
(5) drying: with dry 4 ~ 5 h under 60 ~ 70 ℃ of conditions of gained granule materials behind the extrusion, the processing granular moisture content of material is down to 5% ~ 9%;
(6) spraying: dried processing granular is accounted for product gross mass 3% ~ 8% animals and plants fat (containing 0.15% vitamin E) with the grease spraying machine spraying when it does not cool off fully;
(7) packing: the dog grain that processes is packed.
Beneficial effect of the present invention:
(1) its nutrition of commodity dog grain of making of the present invention especially the amino acid nutrient level be better than current domestic dog grain, its Major Nutrient index reaches external best buy dog grain standard.Multivitamin and mineral matter comprise vitamin E, vitamin A, vitamin D 3, vitamin K 3, Cobastab 1, Cobastab 2, Cobastab 6, Cobastab 12, calcium pantothenate, folic acid, nicotinic acid, biotin, calcium, phosphorus, iron, copper, zinc, potassium, sodium, selenium equal size reach the AFCOO standard.
(2) linoleic acid in the dog grain that makes of the present invention, linolenic acid content are high, and linoleic acid content is 2% ~ 5%; Linolenic acid content is 0.5% ~ 1.5%, and apparently higher than general merchandise dog grain (general merchandise dog grain linoleic acid content is about 1%, and leukotrienes does not require), dog grain product of the present invention after testing linoleic acid content is about 5%, and linolenic acid content is about 1.2%.Can have clear improvement to the skin of dog and the health status of hair, the skin of this experimental dog is more smooth, fine and smooth, moist, flexible; Hair more is rich in gloss, more soft, more smooth.Add a certain amount of new fresh chicken meat and imported fish meal, make the amino acid levels in the product higher, can provide certain nutrition for dog class pet.
(3) the present invention selects Twin-Screw Extrusion Technology, and technique is simple, convenient.Dog grain preparation method of the present invention selects Twin-Screw Extrusion Technology, by the needed high temperature of extrusion so that the harmful components glucosides in the linseed removed, therefore so that linseed interpolation in the method is safer, active ingredient leukotrienes, the linoleic acid extent of damage in the linseed are low.
The specific embodiment
Reference examples
(1) material formula: chicken 100 g, refining rice 200 g, dregs of beans 200 g, corn 220 g, wheat flour 100 g, fish meal 100 g, dusty yeast 50 g, calcium monohydrogen phosphate 15 g, salt 5 g, vitamin premix 2 g, mineral substance premix 2 g, potassium sorbate 1 g.Above-mentioned material after pulverizing, is crossed by micronizer 60 mesh sieves;
(2) mix: it is even with mixing of materials through spiral ribbon mixer to crush material;
(3) modified: as will to mix material and add the modified one-tenth moisture 25% of water;
(4) extrusion: three sections barrel zone temperatures are 80 ℃, 125 ℃, 135 ℃; Moisture content of material is 25%; Screw speed is 180 r/min; To mix material and put into feeder, enter in the extruder behind the extrusion via feeder, carry out slaking;
(5) drying: 65 ℃ of drying 5 h;
(6) spraying: dried processing granular accounts for product gross mass 6% chicken fat (containing 0.15% vitamin E) with the grease spraying machine spraying when it does not cool off fully;
(7) packing: the dog grain that processes is packed;
(8) zoopery: 5 healthy experimental dogs are fed above-mentioned 8 weeks of dog grain, at the 0th, 14,28,56 day it are carried out the evaluation result of dog skin and hair situation.Through observation, the skin of experimental dog is similar with general similar dog with the hair situation, without significant difference.
Embodiment 1
(1) material formula: chicken 100 g, refining rice 200 g, dregs of beans 200 g, corn 200 g, wheat flour 100 g, fish meal 100 g, dusty yeast 50 g, linseed 20 g, calcium monohydrogen phosphate 15 g, salt 5 g, vitamin premix 2 g, mineral substance premix 2 g, potassium sorbate 1 g.Above-mentioned material after pulverizing, is crossed by micronizer 60 mesh sieves;
(2) mix: it is even with mixing of materials through spiral ribbon mixer to crush material;
(3) modified: as will to mix material and add the modified one-tenth moisture 25% of water;
(4) extrusion: three sections barrel zone temperatures are 80 ℃, 125 ℃, 135 ℃; Moisture content of material is 25%; Screw speed is 180 r/min; To mix material and put into feeder, enter in the extruder behind the extrusion via feeder, carry out slaking;
(5) drying: 65 ℃ of drying 5 h;
(6) spraying: dried processing granular accounts for product gross mass 2% chicken fat and 3% sunflower oil (containing 0.15% vitamin E) with the grease spraying machine spraying when it does not cool off fully;
(7) packing: the dog grain that processes is packed;
(8) zoopery: feed and raise 5 above-mentioned dog grains of healthy experimental dog, at the 14th, 28,56 day it is carried out the evaluation result of dog skin and hair situation.Compare with control group, after 15 ~ 20 days experimental dog skin and hair health be improved significantly, As time goes on, so that the skin of this experimental dog is more smooth, fine and smooth, moist, flexible, cutaneous sense evaluation score improves 50%; Hair more is rich in gloss, more soft, more smooth; Hair more is rich in gloss, more soft, more smooth, and hair subjective appreciation score improves about 30%.
Attached: zoopery and result
1, experimental dog
The healthy adult beasle dog that approaches with 10 builds that satisfy the zoopery standard-required, body weight is as experimental dog; The place of feeding: medical college of Nantong University zoopery central standard kennel; The receptacle temperature is (23 ± 2) ℃, relative humidity (55 ± 5) %, light application time: 7:00~19:00, one in a cage.
2, experimental dog grain
Generation be processed into product according to prescription (unsaturated fatty acid content sees Table 1) and technological requirement in this patent by the collaborative medical bioengineering Co., Ltd in Jiangsu Province.
Unsaturated fatty acid content (%) in the table 1. dog grain
The unrighted acid kind Experimental group Control group
Palmitic acid 1.43 2.43
Oleic acid 2.68 4.20
Linoleic acid 5.29 1.26
Leukotrienes 1.23 0.13
3, experimental dog feeds
All experimental dogs are divided into 2 groups at random, and one group is control group, and one group is experimental group, feeds for 8 weeks.
4, experimental dog skin and hair sense organ evaluation criteria
At the 0th, 14,28,56 day experimental dog skin and hair health are carried out subjective appreciation respectively.
The subjective appreciation standard:
Skin: 1-is very dry, very coarse, do not have very much elasticity; 2-is relatively drier, more coarse, relatively do not have elasticity; 3-is smooth, fine and smooth, moist, flexible; 4-is relatively finer and smoother, relatively more moist, more flexible; 5-is very fine and smooth, very moist, very flexible.
Hair: 1-is very matt, very not soft, very not smooth; 2-is relatively more matt, more not soft, more not smooth; 3-is glossy, soft, smooth; 4-is more glossy, soft, more smooth; 5-is very glossy, very soft, very smooth;
5, experimental dog skin and hair results of sensory evaluation
Adopt the analysis mode (confidential interval 95%) of paired sample T check (P), feed the scoring average of each dog of raising some cycles and the sampling value first time (0 day) paired comparisons of this dog, if result<0.05, then explanation has significant difference and less difference more obvious; If explanation in>0.05 o'clock does not have significant difference; Can find out that from evaluation result the skin of experimental group dog and the scoring of hair all have notable difference, illustrate that the dog grain of the present invention's preparation can obviously improve the health status of skin and the hair of experimental dog, and control group be substantially unchanged.
Table 2. control group cutaneous sense evaluation result
Fate/the experimental dog of feeding Numbering 1 Numbering 2 Numbering 3 Numbering 4 Numbering 5 Average Variance
0 1.82 2.35 2.30 2.18 2.20 2.17 0.21
14 2.14 2.12 2.20 2.20 2.14 2.16 0.04
28 2.04 2.00 2.21 2.21 2.20 2.13 0.10
56 2.07 2.00 2.14 2.16 2.13 2.10 0.07
Table 3. experimental group cutaneous sense evaluation result
Fate/the experimental dog of feeding Numbering 6 Numbering 7 Numbering 8 Numbering 9 Numbering 10 Average Variance
0 2.18 2.00 2.16 2.04 2.13 2.10 0.08
14 2.33 2.50 2.40 2.38 2.35 2.39 0.07
28 2.80 2.64 2.60 2.78 2.71 2.71 0.09
56 2.57 2.66 2.70 2.62 2.60 2.63 0.05
Table 4. control group hair results of sensory evaluation
Fate/the experimental dog of feeding Numbering 1 Numbering 2 Numbering 3 Numbering 4 Numbering 5 Average Variance
0 2.23 2.32 2.65 2.67 2.39 2.45 0.20
14 2.59 2.54 2.58 2.49 2.31 2.50 0.11
28 2.50 2.63 2.63 2.41 2.57 2.55 0.09
56 2.48 2.57 2.68 2.54 2.54 2.56 0.07
Table 5. experimental group hair results of sensory evaluation
Fate/the experimental dog of feeding Numbering 6 Numbering 7 Numbering 8 Numbering 9 Numbering 10 Average Variance
0 2.10 2.36 2.44 2.42 2.29 2.32 0.14
14 2.47 2.93 2.81 2.59 2.58 2.68 0.19
28 2.62 3.10 2.67 2.69 2.63 2.74 0.20
63 2.67 3.06 2.94 2.69 2.87 2.85 0.17
The significance analysis result of the T check (P) of table 6. subjective appreciation
Figure 476431DEST_PATH_IMAGE001

Claims (4)

1. dog grain that improves dog skin and hair health, it is characterized in that: take chicken, rice and dregs of beans as primary raw material, linseed is the major function additive, through pulverize, mix, after the extruding, again drying, spraying animals and plants fat, packing and make; It is made by the material formula of following parts by weight;
8 ~ 15 parts in chicken, 15 ~ 25 parts in refining rice, 15 ~ 25 parts of dregs of beans, 15 ~ 25 parts of corns, 5 ~ 15 parts of wheat flours, 5 ~ 15 parts of fish meal, 5 ~ 10 parts of dusty yeasts, 1 ~ 5 part of linseed, 1 ~ 3 part of calcium monohydrogen phosphate, 0.1 ~ 0.5 part of salt, 0.1 ~ 0.5 part of vitamin premix, 0.1 ~ 0.5 part of mineral substance premix, 0.05 ~ 0.15 part of potassium sorbate;
Described vitamin premix is the luxuriant source of Cangzhou City animal husbandry Co., Ltd product vitamin(e) supplement electrolysis multidimensional;
Mineral substance premix is that Heilungkiang giant dragon feed technology Co., Ltd product animal pets is with micro-.
2. the dog grain that improves dog skin and hair health according to claim 1 is characterized in that: the amount of adding linseed in dog grain is 2 ~ 5 parts.
3. the preparation method who improves the dog grain of dog skin and hair health claimed in claim 1 is characterized in that it is comprised of following steps:
(1) material is taken by weighing by the described prescription of claim 1, after micronizer is pulverized, cross 60 mesh sieves;
(2) mix: the material that crushes is mixed through spiral ribbon mixer;
(3) modified: the material that mixes is added water, and to be modulated into moisture be 20% ~ 30%;
(4) extrusion: three sections barrel zone temperatures are followed successively by 60 ~ 90 ℃, 100 ~ 130 ℃, 130 ~ 150 ℃; Moisture content of material is 20% ~ 30%; Screw speed is 130 ~ 180 r/min; Material after modified is put into feeder, enter in the extruder behind the extrusion via feeder, carry out slaking;
(5) drying: with dry 4 ~ 5 h under 60 ~ 70 ℃ of conditions of gained granule materials behind the extrusion, make its moisture be down to 5% ~ 9%;
(6) spraying: the animals and plants fat that contains 0.15% vitamin E that dried particle is accounted for product gross mass 3% ~ 8% when it does not cool off fully with the grease spraying machine spraying;
(7) packing: the dog grain that processes is packed.
4. the described preparation method who improves the dog grain of dog skin and hair health according to claim 3, it is characterized in that: extrusion selects twin (double) screw extruder to carry out extrusion.
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