CN108936033A - A kind of puffed food for pet rabbits and its preparation method - Google Patents

Abstract

The invention provides puffed food for beautifying hair of pet rabbits, which is strip-shaped and comprises the following raw materials: the feed additive is prepared from the following raw materials of levamisole grass, wheat, alfalfa, corn, soybean, bran, linseed, pea, vegetable powder, wheat germ, carrot, yeast powder, lecithin, soybean oil, carrot granules, calcium hydrophosphate, methionine, calcium lactate, salt, lysine, BV bamboo vinegar liquid, VC phosphate, choline chloride, organic multi-mineral, multi-vitamin, vitamin E and yeast chromium. The pet rabbit food has raw materials with hair beautifying effect, and is prepared into a balanced formula, so that the effect of beautifying the hair of the pet rabbit is achieved.

Description

A kind of puffed food for pet rabbits and its preparation method

technical field

The invention belongs to the field of pets, and in particular relates to a puffed food for pet rabbits and a preparation method thereof.

Background technique

With the improvement of people's living standards, more and more families start to raise pet rabbits, and put forward higher requirements for the hair quality of pet rabbits. They hope that the hair of pet rabbits will be healthy, soft and shiny, but there is no such kind in the market. product. According to the basic nutritional requirements of the pet rabbit food, the invention introduces a variety of ingredients that are beneficial to the pet rabbit's hair beautification, so as to achieve the effect of beautifying the pet rabbit's hair.

The traditional pet rabbit food production process is pure extrusion molding. The traditional process cannot effectively remove the anti-nutritional factors in the raw materials, and the produced powder is too much, fragile and poor in palatability. The invention innovatively uses the "expansion process" to produce the beautiful fur rabbit food, decomposes the anti-nutritional factors in the raw materials, and improves the nutrient absorption rate of the food. , and solve the problems of high powder loss, high fragility, and poor palatability.

Ordinary pet rabbit food only maintains the normal nutritional needs of pet rabbits, and cannot meet people's needs for pet rabbits' beautiful fur. The invention of American fur pet rabbit food can provide a formula for beautiful fur; ordinary pet rabbit food uses traditional feed Granulation production cannot eliminate anti-nutritional factors in raw materials such as soybeans and linseeds, but the invention of rabbit food puffing technology can use the production process to eliminate anti-nutritional factors in raw materials such as soybeans and linseeds; ordinary pet rabbit food has relatively low moisture content. High, the shelf life is short, and the invention of rabbit food puffing technology can provide products with low moisture content and high temperature sterilization, the product is healthier, and the shelf life is longer; ordinary pet rabbit food has poor palatability, but it is produced by the puffing process Rabbit food, after puffing and curing, has strong fragrance and high palatability; ordinary pet rabbit food is produced by traditional technology, and the powder is more fragile and high loss. The rabbit food produced by the puffing process of this invention has good hardness and less powder. Low loss.

Contents of the invention

In order to solve the above problems, the present invention adds selected raw materials with the effect of beautifying hair to the pet rabbit food, and prepares a balanced formula to achieve the effect of beautifying the pet rabbit's hair; through continuous testing and adjustment, a suitable product for production is found. Equipment for puffed rabbit food, and a production process suitable for the production of puffed rabbit food.

In order to realize the foregoing invention object, the technical scheme that the present invention adopts is as follows:

A puffed food for pet rabbits, characterized in that: the puffed food for pet rabbits is elongated, and its raw materials include: in parts by mass, 35-40 parts of timothy grass, 8-10 parts of wheat, alfalfa 7-9 parts of grass, 6-8 parts of corn, 6-7 parts of soybean, 6-7 parts of bran, 4-8 parts of flaxseed, 4-6 parts of pea, 4-6 parts of vegetable powder, 2-3 parts of wheat germ 2-3 parts of carrots, 2-3 parts of yeast powder, 1-2 parts of lecithin, 1-2 parts of soybean oil, 1-2 parts of carrot grains, 0.5-0.8 parts of calcium hydrogen phosphate, 0.2-0.4 parts of methionine, 0.2-0.4 parts of calcium lactate, 0.3-0.5 parts of table salt, 0.1-0.2 parts of lysine, 0.1-0.2 parts of BV bamboo vinegar, 0.1-0.2 parts of VC phosphate, 0.1-0.2 parts of choline chloride, organic polymineral 0.1-0.2 parts, multidimensional 0.04-0.08 parts, vitamin E 0.02-0.03 parts, yeast chromium 0.01-0.012 parts.

Further, the puffed food for pet rabbits is long, and its raw materials include: in parts by mass, 37 parts of timothy grass, 9 parts of wheat, 8 parts of alfalfa, 7 parts of corn, 6.5 parts of soybean, bran 6.5 parts, 6 parts of linseed, 5 parts of peas, 5 parts of vegetable powder, 2.5 parts of wheat germ, 2.5 parts of carrot, 2.5 parts of yeast powder, 1.5 parts of lecithin, 1.5 parts of soybean oil, 1.5 parts of carrot granules, 0.7 parts of calcium hydrogen phosphate 0.3 parts of methionine, 0.3 parts of calcium lactate, 0.4 parts of table salt, 0.15 parts of lysine, 0.15 parts of BV bamboo vinegar, 0.15 parts of VC phosphate, 0.15 parts of choline chloride, 0.15 parts of organic polymineral, 0.06 parts of multidimensional , 0.025 parts of vitamin E, 0.011 parts of yeast chromium.

A preparation method of puffed food for pet rabbits, characterized in that: comprising the following steps: (1) small ingredient ingredients: small ingredients calcium hydrogen phosphate, methionine, calcium lactate, salt, lysine, VC phosphate, chlorine Chemical choline, organic multi-mineral, multi-dimensional, vitamin E, and yeast chromium are weighed according to the formula and put into the small material mixer, and then packed and marked accordingly. When weighing the material, use an electronic scale with an accuracy of ≤10g. Raw materials are weighed with an electronic scale with an accuracy of ≤1g, and the mixing time is subject to the coefficient of variation of mixing uniformity ≤5%; (2) Reweighing and feeding of small materials: Bring the small materials to the feeding port and use an electronic scale with an accuracy of ≤10g Recall that the error must be less than ±50g, and the feeding can only be done after confirmation; (3) Raw material collection: take the raw material to the feeding port, and put the raw material into the corresponding batching bin or the bin to be crushed according to the command of the central control room; (4) Crushing : Put the bulk raw materials timothy grass, wheat, alfalfa, corn, soybean, linseed, pea, carrot into the grinder through the feeding port, and enter the batching bin after crushing; put the bulk raw materials that do not need to be crushed Flour, wheat germ, and yeast powder directly enter the batching bin through the feeding port. Impurities are sorted out at the same time as feeding, and before entering the batching bin, they need to go through a coarse cleaning screen to remove large impurities, and remove iron through a permanent magnetic cylinder; (5) Controlled electronic weighing of batching: carry out batching through the computer, and at the same time direct the small material feeder to take the required small material from the manual feeding area and put it into the mixer, and start the liquid adding system as required to spray the weighed liquid oil; (6) Mixing: After the raw materials have been put into the mixer as required, start the mixer for mixing; (7) Extrusion and granulation: the semi-finished product after mixing enters the conditioner of the extruder through the bin to be expanded, and enters the conditioner in the conditioner. The material is mixed with water and steam to reach a state suitable for puffing, extruded by an extruder to form a long strip, cut into suitable length particles by a cutter, and then enter the dryer; (8) dry: the feed entering the dryer , through hot air drying to remove about 2-3% of moisture, the temperature of the material is controlled below 100°C during drying, and the feed is lifted to the cooling tower after it comes out; (9) Cooling and grading sieve screening: After cooling, the feed is rotated and analyzed Sieve, sieve out granular lengths that do not meet the requirements and powdery materials, and then enter the semi-finished product warehouse and pack.

Further, the mixing time in step 6 is to ensure that the coefficient of variation of mixing uniformity is ≤7%.

The beneficial effects of the present invention are:

On the basis of ordinary traditional rabbit food, carefully selected raw materials that can play a role in hair beauty are added. Subversively adopted the "expansion" process to produce rabbit food, the traditional process is ring die extrusion granulation. Add selected raw materials with hair-beautifying effects to pet rabbit food, and prepare a balanced formula to achieve the effect of beautifying pet rabbit hair; through continuous testing and adjustment, find equipment suitable for the production of puffed rabbit food, and A production process suitable for the production of puffed rabbit food was constructed. The product of the present invention has the following characteristics: multifunctionality: this product can achieve the effect of giving pet rabbits a beautiful hair by adding the screened beautiful hair raw materials to the rabbit food formula, and it is produced by puffing technology, eliminating anti-nutritional factors, Make pet rabbit food safer and healthier; Complementarity: fill the gap in the current domestic market and meet the needs of different pet rabbit breeders for beautiful fur rabbit food. Innovation: Adding raw materials that can beautify the fur in pet rabbit food, so as to improve the fur quality of pet rabbits, this innovation is the first in China; in addition, the puffing production process of rabbit food is established, which is also the first in China. Consumer demand: the formula of this beauty food is stable and efficient, and it has various mature characteristics to be promoted as market products under the environment of continuous expansion and subdivision of the pet market; environmental protection: this product is produced by puffing technology, and the particles contain powder Low rate, good hardness, not easy to break, avoiding the waste of pet rabbits in the process of eating, it is an environmentally friendly product.

Description of drawings

Fig. 1 is the physical figure of the puffed food for pet rabbits of the present invention;

Fig. 2 is the preparation process flow of the puffed food for pet rabbits of the present invention.

Detailed ways

Below in conjunction with specific embodiment, further illustrate the present invention. It should be understood that these examples are only used to illustrate the present invention, not to limit the scope of the present invention. On the premise of not departing from the technical solution of the present invention, any modification made to the present invention that can be easily realized by those skilled in the art will fall within the scope of the claims of the present invention.

Example 1

A puffed food for pet rabbits, characterized in that: the puffed food for pet rabbits is elongated, and its raw materials include: in parts by mass, 37 parts of timothy grass, 9 parts of wheat, 8 parts of alfalfa, 7 parts of corn, 6.5 parts of soybean, 6.5 parts of bran, 6 parts of flaxseed, 5 parts of pea, 5 parts of vegetable powder, 2.5 parts of wheat germ, 2.5 parts of carrot, 2.5 parts of yeast powder, 1.5 parts of lecithin , 1.5 parts of soybean oil, 1.5 parts of carrot grains, 0.7 parts of calcium hydrogen phosphate, 0.3 parts of methionine, 0.3 parts of calcium lactate, 0.4 parts of table salt, 0.15 parts of lysine, 0.15 parts of BV bamboo vinegar, 0.15 parts of VC phosphate, chlorine 0.15 parts of choline, 0.15 parts of organic polyminerals, 0.06 parts of multidimensional, 0.025 parts of vitamin E, and 0.011 parts of yeast chromium.

A preparation method of puffed food for pet rabbits, characterized in that: comprising the following steps: (1) small ingredient ingredients: small ingredients calcium hydrogen phosphate, methionine, calcium lactate, salt, lysine, VC phosphate, chlorine Chemical choline, organic multi-mineral, multi-dimensional, vitamin E, and yeast chromium are weighed according to the formula and put into the small material mixer, and then packed and marked accordingly. When weighing the material, use an electronic scale with an accuracy of ≤10g. Raw materials are weighed with an electronic scale with an accuracy of ≤1g, and the mixing time is subject to the coefficient of variation of mixing uniformity ≤5%; (2) Reweighing and feeding of small materials: Bring the small materials to the feeding port and use an electronic scale with an accuracy of ≤10g Recall that the error must be less than ±50g, and the feeding can only be done after confirmation; (3) Raw material collection: take the raw material to the feeding port, and put the raw material into the corresponding batching bin or the bin to be crushed according to the command of the central control room; (4) Crushing : Put the bulk raw materials timothy grass, wheat, alfalfa, corn, soybean, linseed, pea, carrot into the grinder through the feeding port, and enter the batching bin after crushing; put the bulk raw materials that do not need to be crushed Flour, wheat germ, and yeast powder directly enter the batching bin through the feeding port. Impurities are sorted out at the same time as feeding, and before entering the batching bin, they need to go through a coarse cleaning screen to remove large impurities, and remove iron through a permanent magnetic cylinder; (5) Controlled electronic weighing of batching: carry out batching through the computer, and at the same time direct the small material feeder to take the required small material from the manual feeding area and put it into the mixer, and start the liquid adding system as required to spray the weighed liquid oil; (6) Mixing: After the raw materials have been put into the mixer as required, start the mixer and mix. The mixing time ensures that the coefficient of variation of the mixing uniformity is ≤7%; Enter the conditioner of the puffing machine, where the material is mixed with water and steam to reach a state suitable for puffing, extruded by the puffing machine to form a long strip, cut into suitable length particles by a cutter, and then enter the dryer (8) dry: the feed that enters the dryer is dried by hot air to remove about 2-3% of the moisture, and the temperature of the material is controlled below 100°C during drying, and the feed is lifted to the cooling tower after it comes out; (9) cooling And grading sieve screening: After cooling, the feed passes through a rotary analysis sieve to sieve out granular and powdery materials that do not meet the requirements, and then enters the semi-finished product warehouse and packs.

Example 2

A puffed food for pet rabbits, characterized in that: the puffed food for pet rabbits is elongated, and its raw materials include: parts by mass, parts by mass, 35 parts of timothy grass , 10 parts of wheat, 7 parts of alfalfa, 8 parts of corn, 6 parts of soybean, 7 parts of bran, 4 parts of flaxseed, 6 parts of pea, 4 parts of vegetable powder, 3 parts of wheat germ, 2 parts of carrot, 3 parts of yeast powder , 1 part of lecithin, 2 parts of soybean oil, 1 part of carrot grain, 0.8 part of calcium hydrogen phosphate, 0.2 part of methionine, 0.4 part of calcium lactate, 0.3 part of table salt, 0.2 part of lysine, 0.1 part of BV bamboo vinegar, VC phosphoric acid 0.2 part of ester, 0.1 part of choline chloride, 0.2 part of organic polymineral, 0.04 part of multidimensional, 0.03 part of vitamin E, 0.01 part of yeast chromium.

A preparation method of puffed food for pet rabbits, characterized in that: comprising the following steps: (1) small ingredient ingredients: small ingredients calcium hydrogen phosphate, methionine, calcium lactate, salt, lysine, VC phosphate, chlorine Chemical choline, organic multi-mineral, multi-dimensional, vitamin E, and yeast chromium are weighed according to the formula and put into the small material mixer, and then packed and marked accordingly. When weighing the material, use an electronic scale with an accuracy of ≤10g. Raw materials are weighed with an electronic scale with an accuracy of ≤1g, and the mixing time is subject to the coefficient of variation of mixing uniformity ≤5%; (2) Reweighing and feeding of small materials: Bring the small materials to the feeding port and use an electronic scale with an accuracy of ≤10g Recall that the error must be less than ±50g, and the feeding can only be done after confirmation; (3) Raw material collection: take the raw material to the feeding port, and put the raw material into the corresponding batching bin or the bin to be crushed according to the command of the central control room; (4) Crushing : Put the bulk raw materials timothy grass, wheat, alfalfa, corn, soybean, linseed, pea, carrot into the grinder through the feeding port, and enter the batching bin after crushing; put the bulk raw materials that do not need to be crushed Flour, wheat germ, and yeast powder directly enter the batching bin through the feeding port. Impurities are sorted out at the same time as feeding, and before entering the batching bin, they need to go through a coarse cleaning screen to remove large impurities, and remove iron through a permanent magnetic cylinder; (5) Controlled electronic weighing of batching: carry out batching through the computer, and at the same time direct the small material feeder to take the required small material from the manual feeding area and put it into the mixer, and start the liquid adding system as required to spray the weighed liquid oil; (6) Mixing: After the raw materials have been put into the mixer as required, start the mixer and mix. The mixing time ensures that the coefficient of variation of the mixing uniformity is ≤7%; Enter the conditioner of the puffing machine, where the material is mixed with water and steam to reach a state suitable for puffing, extruded by the puffing machine to form a long strip, cut into suitable length particles by a cutter, and then enter the dryer (8) dry: the feed that enters the dryer is dried by hot air to remove about 2-3% of the moisture, and the temperature of the material is controlled below 100°C during drying, and the feed is lifted to the cooling tower after it comes out; (9) cooling And grading sieve screening: After cooling, the feed passes through a rotary analysis sieve to sieve out granular and powdery materials that do not meet the requirements, and then enters the semi-finished product warehouse and packs.

Example 3

A puffed food for pet rabbits, characterized in that: the puffed food for pet rabbits is elongated, and its raw materials include: parts by mass, parts by mass, 40 parts of timothy grass , 8 parts of wheat, 9 parts of alfalfa, 6 parts of corn, 7 parts of soybean, 6 parts of bran, 8 parts of flaxseed, 4 parts of pea, 6 parts of vegetable powder, 2 parts of wheat germ, 3 parts of carrot, 2 parts of yeast powder , 2 parts of lecithin, 1 part of soybean oil, 2 parts of carrot grains, 0.5 parts of calcium hydrogen phosphate, 0.4 parts of methionine, 0.2 parts of calcium lactate, 0.5 parts of table salt, 0.1 parts of lysine, 0.2 parts of BV bamboo vinegar, 0.2 parts of VC phosphoric acid 0.1 part of ester, 0.2 part of choline chloride, 0.1 part of organic polymineral, 0.08 part of multidimensional, 0.02 part of vitamin E, 0.012 part of yeast chromium.

A preparation method of puffed food for pet rabbits, characterized in that: comprising the following steps: (1) small ingredient ingredients: small ingredients calcium hydrogen phosphate, methionine, calcium lactate, salt, lysine, VC phosphate, chlorine Chemical choline, organic multi-mineral, multi-dimensional, vitamin E, and yeast chromium are weighed according to the formula and put into the small material mixer, and then packed and marked accordingly. When weighing the material, use an electronic scale with an accuracy of ≤10g. Raw materials are weighed with an electronic scale with an accuracy of ≤1g, and the mixing time is subject to the coefficient of variation of mixing uniformity ≤5%; (2) Reweighing and feeding of small materials: Bring the small materials to the feeding port and use an electronic scale with an accuracy of ≤10g Recall that the error must be less than ±50g, and the feeding can only be done after confirmation; (3) Raw material collection: take the raw material to the feeding port, and put the raw material into the corresponding batching bin or the bin to be crushed according to the command of the central control room; (4) Crushing : Put the bulk raw materials timothy grass, wheat, alfalfa, corn, soybean, linseed, pea, carrot into the grinder through the feeding port, and enter the batching bin after crushing; put the bulk raw materials that do not need to be crushed Flour, wheat germ, and yeast powder directly enter the batching bin through the feeding port. Impurities are sorted out at the same time as feeding, and before entering the batching bin, they need to go through a coarse cleaning screen to remove large impurities, and remove iron through a permanent magnetic cylinder; (5) Controlled electronic weighing of batching: carry out batching through the computer, and at the same time direct the small material feeder to take the required small material from the manual feeding area and put it into the mixer, and start the liquid adding system as required to spray the weighed liquid oil; (6) Mixing: After the raw materials have been put into the mixer as required, start the mixer and mix. The mixing time ensures that the coefficient of variation of the mixing uniformity is ≤7%; Enter the conditioner of the puffing machine, where the material is mixed with water and steam to reach a state suitable for puffing, extruded by the puffing machine to form a long strip, cut into suitable length particles by a cutter, and then enter the dryer (8) dry: the feed that enters the dryer is dried by hot air to remove about 2-3% of the moisture, and the temperature of the material is controlled below 100°C during drying, and the feed is lifted to the cooling tower after it comes out; (9) cooling And grading sieve screening: After cooling, the feed passes through a rotary analysis sieve to sieve out granular and powdery materials that do not meet the requirements, and then enters the semi-finished product warehouse and packs.

Comparative example 1

Same as Example 1, except that flaxseed, wheat germ, yeast powder, lecithin, methionine, organic polymineral, yeast chromium are not included.

Comparative example 2

Same as Example 1, except linseed, wheat germ, yeast powder, lecithin are not included.

Comparative example 3

Same as Example 1, except that methionine, organic polymineral, yeast chromium are not included.

Comparative example 4

The commercially available pet rabbit food (Super Rabbit SR02 rabbit food) was used for feeding.

Effectiveness test method: take 4-5% of the rabbit's body weight as each reference feeding amount, and feed once in the morning and evening.

Choose a cooperative rabbit farm, and choose two groups of 50 healthy long-haired rabbits with basically the same body weight to do the feeding experiment. Comparative feeding trials. The test results are: the pet rabbits in the test group have better hair uniformity, smoother and brighter hair, a higher proportion of high-quality hair, and a lower food loss rate.

Table 1

Claims (4)

1. a kind of pet rabbit U.S. hair extruding grain, it is characterised in that: the pet rabbit U.S. hair extruding grain is strip, raw material packet It includes: in parts by mass, 35-40 parts of Timothy, 8-10 parts of wheat, 7-9 parts of Alfalfa, 6-8 parts of corn, 6-7 parts of soybean, wheat bran 6-7 parts, 4-8 parts of linseed, 4-6 parts of pea, 4-6 parts of Vegetable powder, 2-3 parts of wheat embryo, 2-3 parts of carrot, 2-3 parts of yeast powder, 1-2 parts of lecithin, 1-2 parts of soybean oil, 1-2 parts of carrot seed, 0.5-0.8 parts of calcium monohydrogen phosphate, 0.2-0.4 parts of methionine, calcium lactate 0.2-0.4 parts, 0.3-0.5 parts of salt, 0.1-0.2 parts of lysine, 0.1-0.2 parts of BV bamboo vinegar .1-0.2 parts of VC phosphoesterase 30, 0.1-0.2 parts of choline chloride, more mine 0.1-0.2 parts organic, 0.04-0.08 parts of multidimensional, 0.02-0.03 parts of vitamin E, yeast chromium 0.01-0.012 parts.

2. pet rabbit U.S. hair extruding grain according to claim 1, it is characterised in that: the pet rabbit U.S. hair extruding grain is length Bar shaped, raw material include: in parts by mass, 37 parts of Timothy, 9 parts of wheat, 8 parts of Alfalfa, 7 parts of corn, 6.5 parts of soybean, 6.5 parts of wheat bran, 6 parts of linseed, 5 parts of pea, 5 parts of Vegetable powder, 2.5 parts of wheat embryo, 2.5 parts of carrot, 2.5 parts of yeast powder, ovum .5 parts of phosphatidase 1,1.5 parts of soybean oil, 1.5 parts of carrot seed, 0.7 part of calcium monohydrogen phosphate, 0.3 part of methionine, 0.3 part of calcium lactate, salt 0.4 part, 0.15 part of lysine, 0.15 part of BV bamboo vinegar .15 parts of VC phosphoesterase 30,0.15 part of choline chloride, organic more mines 0.15 Part, 0.06 part of multidimensional, 0.025 part of vitamin E, 0.011 part of yeast chromium.

3. a kind of preparation method of pet rabbit U.S. hair extruding grain, it is characterised in that: the following steps are included: (1) small powder ingredient: will be small Expect calcium monohydrogen phosphate, methionine, calcium lactate, salt, lysine, VC phosphate, choline chloride, organic more mines, multidimensional, vitamin E, Yeast chromium weighs up investment small powder mixing machine by formula, is then packaged and carries out corresponding mark, and precision is≤10g electricity when weighing Sub- scale weighs, raw material precision≤1g electronic scale weighing less than 1kg, incorporation time with the mixture homogeneity coefficient of variation≤ Subject to 5%；(2) small powder claims and feeds intake again: small powder being mentioned feeding port, carries out multiple title with precision≤10g electronic scale, error need to be ± 50g hereinafter, confirmation it is errorless after can just feed intake；(3) raw material is received: neck raw material is to feeding port, by the order of Central Control Room by raw material Put into corresponding batch bin or storehouse to be comminuted；(4) crush: by the bulk raw material Timothy that need to be crushed, wheat, Alfalfa, corn, Soybean, linseed, pea, carrot put into pulverizer through feeding port, and batch bin is entered after crushing；It will be not required to the large original crushed Material wheat bran, Vegetable powder, wheat embryo, yeast powder are directly entered batch bin through feeding port, are feeding intake while picking out impurity, and It before entering batch bin, is both needed to remove by thick cleaning big miscellaneous, removes iron by pipe magnetic separator；(5) electronic scale ingredient is controlled in: passing through computer Ingredient is executed, while commanding the small powder person of feeding intake to receive required small powder from the hand rest area that feeds intake and put into mixing machine, and as required Liquid adding system is started, the liquid fat of weighed weight is sprayed into；(6) it mixes: putting into mixing machine as required to raw material Afterwards, start mixing machine, mixed；(7) extruding is pelletized: mixed semi-finished product are quenched by entering bulking machine to extruding storehouse Device, material is mixed, reach the state of suitable extruding in quality-adjusting device with water, steam, goes out strip through bulking machine extrusion, Cutter enters dryer after being cut into suitable length particle；(8) it does: 2- being removed by hot-air seasoning into the feed of dryer 3% or so moisture, material temperature control is at 100 DEG C hereinafter, feed is promoted to cooling tower after coming out when drying；(9) cooling and classification Sieve screening: feed is sieved by pivot analysis after cooling, weeds out that granular length is undesirable and the material of powdery, subsequently into partly Finished bin, packaging.

4. the preparation method of pet rabbit U.S. hair extruding grain according to claim 3, it is characterised in that: when being mixed in step 6 Between to ensure the mixture homogeneity coefficient of variation≤7%.