CN115024422A

CN115024422A - Pet dog food and preparation method thereof

Info

Publication number: CN115024422A
Application number: CN202210712299.8A
Authority: CN
Inventors: 赵仁发; 张在忠; 梁权明; 刘畅庆; 张远萍; 吴珠
Original assignee: Guangdong Meizhou Vocational And Technical College
Current assignee: Guangdong Meizhou Vocational And Technical College
Priority date: 2022-06-22
Filing date: 2022-06-22
Publication date: 2022-09-09

Abstract

The invention provides pet dog food and a preparation method thereof, wherein the pet dog food is prepared from the following raw materials in parts by weight: 30-40 parts of dendrobium officinale freeze-dried powder, 10-20 parts of astragalus powder, 40-60 parts of bone meal, 10-15 parts of chicken powder, 1-5 parts of salt, 1-5 parts of vegetable oil and 20-30 parts of water. The preparation method of the dog food comprises the following steps of S1: processing the dendrobium officinale to prepare the dendrobium officinale freeze-dried powder; step S2: processing radix astragali to obtain the radix astragali powder; step S3: processing chicken to make said chicken meal; step S4: preparing raw materials comprising the dendrobium officinale, the astragalus powder, the bone meal, the chicken powder, the salt, the vegetable oil and the water into a primary processing nutrient material according to nutrient components; step S5: processing the canine primary processed nutrient to form a granular canine food sample. According to the pet dog food, the dendrobium officinale freeze-dried powder is added, so that rich nutrient substances can be provided, the health care and growth of a pet dog are facilitated, the service life of the pet dog is prolonged, and the application of the dendrobium officinale is expanded.

Description

Pet dog food and preparation method thereof

Technical Field

The invention relates to the technical field of feeds, in particular to pet dog food and a preparation method thereof.

Background

With the improvement of the living standard and the change of the living style of modern people, pets become an indispensable part of the lives of many people. Among them, the pet dog is one of the most common pets and is a faithful friend of human, and the health condition of the dog directly affects the quality of life of the dog keeper, so the daily health care of the pet dog is very important.

The feed additive plays an indispensable role in improving the immunity of animals, accelerating the growth, improving the feed conversion rate, reducing the feeding cost and the like in the process of breeding the livestock and poultry. The green feed additive is a natural additive which has no pollution, no residue, disease resistance and growth promotion in a broad sense. At present, there are green feed additives such as Chinese herbal medicine preparations, enzyme preparations, microbial preparations, acidifiers, mildewcides, prebiotics or chemical prebiotics and the like. However, these additives have one or more of the following disadvantages, such as poor thermal stability, easy inactivation, large addition ratio, high cost, limited resources, etc.

The Chinese herbal medicine feed additive is one of feed additive types, and has the advantages of wide functional effect, bidirectional adjustment, less side effect, low residue, difficulty in generating drug resistance, wide resource, low cost, lasting effect and the like compared with antibiotic additives, hormone additives and the like.

It is also worth noting that dendrobium officinale is an orchid herb plant with homology of medicine and food, is rich in dendrobium polysaccharide, alkaloid, amino acid, trace elements and other substances, has the functions of tonifying stomach, promoting fluid production, nourishing yin and clearing heat, can be used for improving symptoms such as fever body fluid injury, dry mouth, polydipsia, stomach yin deficiency, anorexia, retching, dim eyesight, flaccidity of bones and muscles and the like, and is particularly suitable for middle-aged and elderly pet dogs.

In view of the above, there is a need to develop a new pet dog food and a preparation method thereof to solve the deficiencies of the prior art.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention aims to provide the pet dog food which can effectively prevent various dog diseases, prolong the service life of pet dogs and expand the application of dendrobium officinale.

The invention also aims to provide a preparation method of pet dog food, which is simple and convenient to operate and suitable for large-scale production.

One of the purposes of the invention is realized by adopting the following technical scheme: the pet dog food is characterized by comprising the following raw materials in parts by weight: 30-40 parts of dendrobium officinale freeze-dried powder, 10-20 parts of astragalus powder, 40-60 parts of bone meal, 10-15 parts of chicken powder, 1-5 parts of salt, 1-5 parts of vegetable oil and 20-30 parts of water.

On the basis of the technical scheme of the pet dog food, the invention can be further improved as follows.

Further, the pet dog food comprises the following raw materials in parts by weight: 38 parts of dendrobium officinale freeze-dried powder, 18 parts of astragalus powder, 42 parts of bone meal, 10 parts of chicken powder, 2 parts of salt, 2 parts of vegetable oil and 25 parts of water.

Further, the pet dog food comprises the following raw materials in parts by weight: 35 parts of dendrobium officinale freeze-dried powder, 13 parts of astragalus powder, 50 parts of bone meal, 13 parts of chicken powder, 3 parts of salt, 3 parts of vegetable oil and 28 parts of water.

Further, the pet dog food comprises the following raw materials in parts by weight: 32 parts of dendrobium officinale freeze-dried powder, 12 parts of astragalus powder, 58 parts of bone meal, 14 parts of chicken powder, 3 parts of salt, 3 parts of vegetable oil and 25 parts of water.

The second purpose of the invention is realized by adopting the following technical scheme: a method of making pet dog food as described in any one of the preceding claims, comprising the steps of:

step S1: processing the dendrobium officinale to prepare the dendrobium officinale freeze-dried powder;

step S2: processing radix astragali to obtain the radix astragali powder;

step S3: processing chicken to make said chicken meal;

step S4: preparing raw materials comprising the dendrobium officinale, the astragalus powder, the bone meal, the chicken powder, the salt, the vegetable oil and the water into a primary processing nutrient material according to nutrient components;

step S5: processing the canine primary processed nutrient to form a granular canine food sample.

On the basis of the technical scheme of the preparation method of the pet dog food, the invention can be further improved as follows.

Further, the step S1 further includes the following steps:

step S11: providing fresh dendrobium officinale strips, cleaning, airing, cutting into strips with the width of 3-5 cm, and then performing ultraviolet sterilization;

step S12: placing the cut strips into a juicer, wherein the material-liquid ratio is 1 kg: adding purified water at a ratio of 4L, and squeezing to obtain Dendrobium officinale juice;

step S13: freezing the dendrobium officinale juice in an environment at the temperature of-22 ℃ for 10 hours to obtain dendrobium officinale refrigerating fluid;

step S14: and (3) drying the dendrobium officinale refrigerating fluid in a vacuum freeze dryer, controlling the temperature to be 52-55 ℃, the vacuum degree to be 7-9 Pa and the duration to be 20-30 hours, and finally preparing the dendrobium officinale freeze-dried powder.

Further, the step S2 further includes the following steps: slicing radix astragali, and pulverizing into powder with a pulverizer to obtain the radix astragali powder.

Further, the step S3 further includes the following steps:

step S31: taking out 10 parts of residual chicken, 10 parts of skeleton and chicken offal and 8 parts of lean meat, and stirring and crushing the two materials together until the two materials are uniformly mixed to obtain chicken paste;

step S32: placing the chicken meat paste into a reaction kettle to perform high-temperature high-pressure cooking for 60 minutes, setting the temperature to be 124 ℃ and the pressure to be 0.22 MPa;

step S33: feeding the cooked chicken meat paste into a 10nm colloid mill for fully grinding for 20 minutes;

step S34: feeding the material obtained in the step S33 into a drying tower for spray centrifugal drying, wherein the air inlet temperature is set to be 200 ℃, and the air exhaust temperature is set to be 100 ℃;

step S35: and (5) sieving the material obtained in the step S34 to obtain the chicken powder.

Further, the step S4 further includes the following steps:

putting the raw materials into a stirrer, stirring at a constant speed until the raw materials are uniformly mixed, putting the mixture into a sealed container, and standing for 24 hours to obtain the primary processing nutrient material.

Further, the step S5 further includes the following steps:

step S51: using double-screw extrusion to add the primarily processed nutrient material into a feeder, setting the rotating speed of a main shaft to be 35Hz, the temperature of a sleeve to be 150 ℃ and the feeding rate to be 30Hz, and carrying out extrusion preparation on the dog food sample;

step S52: the primarily processed nutrient material is extruded and then molded at a die, and is extruded and cut at the outlet of the die to prepare cylindrical small particles;

step S53: sending the dog food sample particles subjected to extrusion cutting into a constant-temperature drying oven at 70 ℃ for drying until the moisture content is 8% -10%, and obtaining dog food particles;

step S54: and carrying out vacuum packaging on the dog food particles.

Compared with the prior art, the invention has the beneficial effects that: according to the pet dog food and the preparation method thereof, the dendrobium officinale freeze-dried powder is added, so that rich nutrient substances can be provided for pet dogs, and the growth of the dogs is facilitated; particularly, the dendrobium officinale ingredient in the pet dog food raw material can play a role in clearing liver and improving eyesight, tonifying spleen and promoting the secretion of saliva or body fluid, improving immunity of middle-aged and old dogs, effectively preventing various diseases such as arthropathy, diabetes, chronic asthenia and the like, prolonging the service life of pet dogs and expanding the application of the dendrobium officinale.

These and other objects, features and advantages of the present invention will become more fully apparent from the following detailed description and appended claims, and may be realized by means of the instrumentalities, devices and combinations particularly pointed out in the appended claims.

Drawings

None.

Detailed Description

Detailed embodiments of the present invention will be disclosed herein. It is to be understood, however, that the disclosed embodiments are merely exemplary of the invention and that the invention may be embodied in various and alternative forms. Therefore, specific structural and functional details disclosed herein are not to be interpreted as limiting, but merely as a representative basis for teaching one skilled in the art to variously employ the present invention.

To facilitate an understanding of the invention, reference will now be made to the following examples.

The pet dog food provided by the invention is composed of the following raw materials in parts by weight:

30-40 parts of dendrobium officinale freeze-dried powder;

10-20 parts of astragalus powder;

40-60 parts of bone meal;

10-15 parts of chicken powder;

1-5 parts of salt;

1-5 parts of vegetable oil; and

20-30 parts of water.

The pet dog food provided by the invention is prepared by the following steps:

step S2: processing radix astragali to obtain the radix astragali powder;

step S3: processing chicken to make said chicken meal;

In an embodiment of the dog food preparation method of the present invention, the step S1 further includes the following steps:

step S13: freezing the dendrobium officinale juice in an environment with the temperature of-22 ℃ for 10 hours to obtain dendrobium officinale refrigerating fluid;

In an embodiment of the dog food preparation method of the present invention, the step S21 further includes slicing the astragalus root, and then placing the sliced astragalus root into a powder mill to be milled into powder, so as to obtain the astragalus root powder.

In an embodiment of the dog food preparation method of the present invention, the step S3 further includes the following steps:

In the embodiment of the dog food preparation method, the step S4 further includes putting the raw materials into a stirrer, stirring at a constant speed until the raw materials are uniformly mixed, putting the mixture into a sealed container, and standing the sealed container for 24 hours to obtain the primarily processed nutritional material.

In the embodiment of the dog food preparation method of the present invention, the step S5 further includes the following steps:

step S51: extruding by using a double screw, adding the primarily processed nutrient material into a feeder, setting the rotating speed of a main shaft to be 35Hz, the temperature of a sleeve to be 150 ℃ and the feeding rate to be 30Hz, and extruding and preparing the dog food sample;

step S54: and carrying out vacuum packaging on the dog food particles.

While the embodiments of pet dog food and methods of making the same of the present disclosure have been described above, the principles and features of the present disclosure are described below in conjunction with specific examples and experimental examples.

Example 1:

the pet dog food comprises the following raw materials in parts by weight: 38 parts of dendrobium officinale freeze-dried powder, 18 parts of astragalus powder, 42 parts of bone meal, 10 parts of chicken powder, 2 parts of salt, 2 parts of vegetable oil and 25 parts of water.

The pet dog food raw materials with the composition ratio are prepared according to the steps S1-S5 of the preparation method of the pet dog food, so that the pet dog food with the health-care effect is prepared, and is particularly suitable for middle-aged and old pet dogs.

Example 2:

the pet dog food comprises the following raw materials in parts by weight: 35 parts of dendrobium officinale freeze-dried powder, 13 parts of astragalus powder, 50 parts of bone meal, 13 parts of chicken powder, 3 parts of salt, 3 parts of vegetable oil and 28 parts of water.

Example 3:

the pet dog food comprises the following raw materials in parts by weight: 32 parts of dendrobium officinale freeze-dried powder, 12 parts of astragalus powder, 58 parts of bone meal, 14 parts of chicken powder, 3 parts of salt, 3 parts of vegetable oil and 25 parts of water.

Experimental example:

(1) experimental Material

And selecting 18 middle-aged and old Chinese garden dogs with the weight of 20-23 kg and the age of 8-11.

The pet dog food for middle-aged and old people of a certain brand is sold in the market.

Trial I group dog food (prepared in example 1) and trial II group dog food (prepared in example 2)

(2) Method of implementation

(2-1) grouping

18 middle-aged and old Chinese garden dogs with good physical conditions and the body weight of 20-23 kg and the age of 8-11 are selected and randomly divided into 3 groups, namely a control group, a test I group (example 1) and a test II group (example 2), and 6 dogs are selected. The control group was fed with commercial middle aged and senior pet dog food, test i was fed with dog food prepared in example 1, and test ii was fed with dog food prepared in example 2.

(2-2) method

The experiment lasts for 8 weeks for 56 days. The dog food is eaten unlimited every day, water is freely drunk, the dog house is cleaned and cleaned every day, the feeding amount and the residual material amount of each group are recorded every day in the whole experiment period, the average daily food consumption is calculated by subtracting the residual material amount from the feeding amount. And respectively weighing every 7 days in the morning of a formal experiment on an empty stomach one by one, calculating the average daily gain of each repeated group of dogs according to the difference between the final weight and the initial weight, and observing the mental condition, various physiological indexes and other conditions of the test dogs. The test dog collects blood from forelimb vein by 5ml at 8 weeks end, centrifugates for 10min at 3500r/min, and subpackages in 2ml centrifuge tubes for standby.

(3) Results

(3-1) mental status of each group of dogs.

Through 8-week experiments, the mental states of dogs are observed every day, dogs in the group I and the group II are obviously fuller in mental state, the fur is glossier, the nose is moist and does not have chap, the digestion and absorption are good, the excitability is improved, and the whole physique is better than that of a control group.

(3-2) feed intake and body weight changes of each dog are shown in tables 1 and 2

Table 1, daily food intake for each group of dogs at the end of experiment 8 weeks:

table 2, daily average weight gain for each group of dogs over the end of 8 weeks of experiment:

it can be seen from table 1 and table 2 that the feed intake and daily gain of dogs in test group i and test group ii were significantly higher than those of the control group.

(3-3) changes in the blood physiological indices of the dogs in each group are shown in Table 3.

Table 3, physiological indices of blood for each group of dogs:

as can be seen from Table 3, the canine leukocytes, lymphocytes, erythrocytes and hemoglobin in test group I and test group II were significantly higher in the normal range than in the control group: (P＜0.05）。

(3-4) therefore, the pet dog food has obvious effect on middle-aged and elderly pet dogs and can effectively improve the health condition of the middle-aged and elderly pet dogs when the pet dog food is fed to the middle-aged and elderly pet dogs.

The foregoing is a further detailed description of the invention in connection with specific preferred embodiments and it is not intended to limit the invention to the specific embodiments described. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.

Claims

1. The pet dog food is characterized by comprising the following raw materials in parts by weight:

30-40 parts of dendrobium officinale freeze-dried powder, 10-20 parts of astragalus powder, 40-60 parts of bone meal, 10-15 parts of chicken powder, 1-5 parts of salt, 1-5 parts of vegetable oil and 20-30 parts of water.

2. The pet dog food according to claim 1, comprising the following raw materials in parts by weight:

38 parts of dendrobium officinale freeze-dried powder, 18 parts of astragalus powder, 42 parts of bone meal, 10 parts of chicken powder, 2 parts of salt, 2 parts of vegetable oil and 25 parts of water.

3. The pet dog food according to claim 1, comprising the following raw materials in parts by weight:

35 parts of dendrobium officinale freeze-dried powder, 13 parts of astragalus powder, 50 parts of bone meal, 13 parts of chicken powder, 3 parts of salt, 3 parts of vegetable oil and 28 parts of water.

4. The pet dog food according to claim 1, comprising the following raw materials in parts by weight:

32 parts of dendrobium officinale freeze-dried powder, 12 parts of astragalus powder, 58 parts of bone meal, 14 parts of chicken powder, 3 parts of salt, 3 parts of vegetable oil and 25 parts of water.

5. A method of producing pet dog food according to any one of claims 1-4, comprising the steps of:

step S2: processing radix astragali to obtain the radix astragali powder;

step S3: processing chicken to make said chicken meal;

6. The method for preparing pet dog food according to claim 5, wherein step S1 further comprises the steps of:

7. The method for preparing pet dog food according to claim 5, wherein step S2 further comprises the steps of:

slicing radix astragali, and pulverizing into powder with a pulverizer to obtain the radix astragali powder.

8. The method for preparing pet dog food according to claim 5, wherein step S3 further comprises the steps of:

step S32: placing the chicken meat emulsion in a reaction kettle to be subjected to high-temperature high-pressure cooking for 60 minutes, setting the temperature to be 124 ℃ and setting the pressure to be 0.22 MPa;

9. The method for preparing pet dog food according to claim 5, wherein step S4 further comprises the steps of:

10. The method for preparing pet dog food according to claim 5, wherein step S5 further comprises the steps of:

step S52: the primarily processed nutrient material is extruded and then formed at a die, and is extruded and cut at the outlet of the die to prepare cylindrical small particles;

step S54: and carrying out vacuum packaging on the dog food particles.