Corncob experimental animal padding and preparation method thereof

Abstract

The invention discloses a corncob experimental animal padding and a preparation method thereof, and belongs to the technical field of animal tools. The corncob experimental animal padding is prepared from the following raw materials in parts by weight: 70 to 100 parts of corncobs, 4 to 8 parts of polyacrylamide, 1 to 4 parts of silica gel powder, 15 to 35 parts of attapulgite, 4 to 9 parts of nano-silver particles and 25 to 40 parts of water. By optimizing the formula proportion, it is ensured that the padding can still keep good performance in a humid environment, peculiar smell is reduced, and the comfort level of experimental animals is improved; the water absorption rate, the antibacterial property and the environmental protection property are remarkably superior to those of a traditional material, and a more ideal feeding environment is provided for experimental animals. In addition, the preparation method is simple and convenient, low in cost and easy for large-scale production, and the used raw materials are all environment-friendly materials, conform to the sustainable development concept and have wide market application prospects.

Description

Technical Field

[0001] The invention belongs to the technical field of animal appliances, and in particular relates to a corncob experimental animal bedding material and a preparation method thereof. Background Art

[0002] Animal bedding is a key material used in the breeding environment of experimental animals, which aims to provide animals with a comfortable, safe and suitable living environment. The choice of bedding is directly related to the health of animals and the accuracy of experimental results. With the continuous improvement of the welfare and ethical requirements of experimental animals in the scientific research field, the research and application of experimental animal bedding has gradually received attention.

[0003] With the continuous expansion of the animal equipment market, there are more and more types of animal bedding on the market, such as wood bedding, corn cob bedding, bentonite bedding, paper scrap bedding, crystal cat litter, etc. These beddings all have certain advantages such as deodorization, strong adsorption, and pollution-free. However, wood bedding is easy to breed bacteria, bentonite bedding is heavy and inconvenient to clean, paper scrap bedding has poor water absorption, and crystal cat litter is expensive and unfriendly to the environment. The natural corn cob used in existing corn cob bedding has a water absorption rate far lower than that of poplar shavings bedding, which will affect the comfort of experimental animals and the cleanliness of the breeding environment. Summary of the invention

[0004] In view of the above problems existing in the prior art, the technical problem to be solved by the present invention is to provide a corncob experimental animal bedding material, which provides a healthier breeding environment for experimental animals. Another technical problem to be solved by the present invention is to provide a method for preparing corncob experimental animal bedding material, which has a simple process and is easy to mass produce.

[0005] In order to solve the above problems, the technical solution adopted by the present invention is as follows:

[0006] A corncob experimental animal bedding material is composed of the following raw materials in parts by weight: 70-100 parts of corncobs, 4-8 parts of polyacrylamide, 1-4 parts of silica gel powder, 15-35 parts of attapulgite, 4-9 parts of nano silver particles, and 25-40 parts of water.

[0007] Preferably, the corn cob experimental animal bedding is composed of the following raw materials in parts by weight: 80-90 parts of corn cobs, 5-7 parts of polyacrylamide, 2-3 parts of silica gel powder, 20-30 parts of attapulgite, 5-8 parts of nanosilver particles, and 29-35 parts of water.

[0008] Preferably, the corn cob experimental animal bedding is composed of the following raw materials in parts by weight: 80-90 parts of corn cobs, 5-7 parts of polyacrylamide, 2-3 parts of silica gel powder, 25-30 parts of attapulgite, 5-6 parts of nanosilver particles, and 29-35 parts of water.

[0009] Preferably, the corn cob experimental animal bedding is composed of the following raw materials in parts by weight: 90 parts of corn cobs, 5 parts of polyacrylamide, 2 parts of silica gel powder, 30 parts of attapulgite, 5 parts of nanosilver particles, and 29 parts of water.

[0010] Preferably, the diameter of the nanosilver particles is 40-50 nm.

[0011] Preferably, the specific surface area of ​​the attapulgite is 20 to 30 m 2 / g, and the particle size is not greater than 200 mesh.

[0012] Preferably, the particle size of the polyacrylamide is 30-50 mesh.

[0013] A method for preparing the corncob experimental animal bedding comprises the following steps:

[0014] 1) The crushed corn cobs are dusted and screened for the first time, the corn cob particles are soaked in water to remove the surface residues, and the water is drained and then dried at 60°C;

[0015] 2) mixing polyacrylamide, silica gel powder, attapulgite, nano silver particles and water, and adding the dried corn cob particles in step 1) to mix, to obtain particles;

[0016] 3) Drying the granules from step 2) to a moisture content of no more than 5%, and performing a second screening after drying to obtain corncob experimental animal bedding.

[0017] Preferably, in step 1), the particle size of the crushed corn cobs is no greater than 8 mm.

[0018] Preferably, in step 2), polyacrylamide, silica gel powder, attapulgite and nano silver particles are mixed and added into water, and mixed evenly for 30 minutes at a stirring speed of 500 rpm to obtain a mixed slurry.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] (1) The present invention obtains corn cob experimental animal bedding by improving the formula. Corn cob is used as the main raw material. Polyacrylamide and silica gel powder are added to significantly improve the water absorption rate. Then, it is mixed with attapulgite and nano silver particles to form a composite bedding with high antibacterial efficiency and strong water absorption, ensuring that the bedding remains dry and hygienic during use, effectively improving the quality of life of experimental animals and the reliability of experimental results;

[0021] (2) The present invention optimizes the formula ratio to ensure that the bedding can maintain good performance in a humid environment, reduce odor generation, and improve the comfort of experimental animals. It is significantly superior to traditional materials in terms of water absorption, antibacterial properties and environmental protection, providing a more ideal breeding environment for experimental animals.

[0022] (3) The preparation process of the present invention is simple, low-cost, easy to mass-produce, meets environmental protection requirements, reduces waste emissions, is environmentally friendly, and has broad market prospects. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the present invention clearer, the present invention is further described below in conjunction with specific embodiments. In the following embodiments, unless otherwise specified, the technical means used are conventional means well known to those skilled in the art.

[0024] The corn cobs used in the following examples are white corn cobs from Shandong Province, which are healthy corn crops grown for 90 days. The diameter of the nanosilver particles is 45 nm; the specific surface area of ​​the attapulgite is 30 m 2 / g, the particle size is no more than 200 mesh; the particle size of polyacrylamide is 50 mesh; the particle size of silica gel powder is 40 mesh.

[0025] Example 1

[0026] A corncob experimental animal bedding material is composed of the following raw materials in parts by weight: 80 parts of corncobs, 7 parts of polyacrylamide, 3 parts of silica gel powder, 20 parts of attapulgite, 5 parts of nano silver particles, and 35 parts of water.

[0027] The preparation method of corncob experimental animal bedding is as follows:

[0028] 1) Crush the corncob to a particle size of less than 8mm, then use a dust collector to remove dust from the crushed corncob particles; screen the corncob particles after dust removal to remove impurities and larger particles in the raw materials; then soak the corncob particles in water to remove surface residues, drain the water and dry them at 60°C to ensure that the particles are evenly dried;

[0029] 2) mixing polyacrylamide, silica gel powder, attapulgite and nano silver particles, adding the mixture to water, uniformly mixing at a stirring speed of 500 rpm for 30 minutes to obtain a mixed slurry, and fully mixing the obtained mixed slurry with dried corn cob particles to ensure that the surface of the corn cob particles is uniformly coated with the mixed slurry to obtain particles;

[0030] 3) The granules from step 2) are placed in a dryer and dried to a moisture content of less than 5%. After drying, a second screening is performed to remove particles that are not completely wrapped or adhered to each other, to ensure that the particles are of uniform size and free of impurities, and to obtain corn cob experimental animal bedding.

[0031] Example 2

[0032] A corncob experimental animal bedding material is composed of the following raw materials in parts by weight: 85 parts of corncobs, 6 parts of polyacrylamide, 2 parts of silica gel powder, 25 parts of attapulgite, 6 parts of nanosilver particles, and 30 parts of water. The specific preparation steps of the corncob experimental animal bedding material are exactly the same as those in Example 1, and the corncob experimental animal bedding material is obtained.

[0033] Example 3

[0034] A corncob experimental animal bedding material is composed of the following raw materials in parts by weight: 90 parts of corncobs, 5 parts of polyacrylamide, 2 parts of silica gel powder, 20 parts of attapulgite, 5 parts of nanosilver particles, and 29 parts of water. The specific preparation steps of the corncob experimental animal bedding material are exactly the same as those in Example 1, and the corncob experimental animal bedding material is obtained.

[0035] Example 4

[0036] A corncob experimental animal bedding material is composed of the following raw materials in parts by weight: 90 parts of corncobs, 5 parts of polyacrylamide, 2 parts of silica gel powder, 30 parts of attapulgite, 5 parts of nanosilver particles, and 29 parts of water. The specific preparation steps of the corncob experimental animal bedding material are exactly the same as those in Example 1, and the corncob experimental animal bedding material is obtained.

[0037] Example 5

[0038] A corncob experimental animal bedding material is composed of the following raw materials in parts by weight: 90 parts of corncobs, 5 parts of polyacrylamide, 2 parts of silica gel powder, 20 parts of attapulgite, 8 parts of nanosilver particles, and 29 parts of water. The specific preparation steps of the corncob experimental animal bedding material are exactly the same as those in Example 1, and the corncob experimental animal bedding material is obtained.

[0039] Comparative Example 1

[0040] A corncob experimental animal bedding material is composed of 90 parts of corncobs, 5 parts of polyacrylamide, 2 parts of silica gel powder, and 29 parts of water. The specific preparation steps of the corncob experimental animal bedding material are basically the same as those in Example 1, and the corncob experimental animal bedding material is obtained.

[0041] Comparative Example 2

[0042] A corncob experimental animal bedding material is composed of 85 parts of corncobs, 3 parts of silica gel powder, and 30 parts of water. The specific preparation steps of the corncob experimental animal bedding material are basically the same as those in Example 1, and the corncob experimental animal bedding material is obtained.

[0043] Comparative Example 3

[0044] A corncob experimental animal bedding material is composed of 90 parts of corncobs, 20 parts of attapulgite, 8 parts of nanosilver particles, and 29 parts of water. The specific preparation steps of the corncob experimental animal bedding material are basically the same as those in Example 1, and the corncob experimental animal bedding material is obtained.

[0045] Example 6

[0046] The corncob experimental animal litter prepared in the above-mentioned embodiments 1-5 and comparative examples 1-3 was tested for water absorption and ammonia adsorption performance, and the data was recorded and compared and analyzed to evaluate the comprehensive performance of each formula. The results are shown in Table 1. Among them, the water absorption test process is: the litter is placed in a transparent beaker with a volume of 100mL, and clean water is added to soak it until saturated, weighed, and the water absorption rate is calculated, and the water absorption rate = (total weight after water absorption-weight before water absorption) / volume × 100%. The ammonia adsorption performance test process is: in a guinea pig feeding box with a length of 930mm×width of 616mm×height of 295mm, corncob experimental animal litter with a thickness of 3cm is laid respectively. Five guinea pigs (21 days old, weighing 156g) were placed in the feeding box for 2 days. After feeding to the second day, the guinea pigs, the feed box, and the water bottle were removed, and the feeding box was covered with a large plastic bag and sealed and stored in the feeding room. The ammonia concentration in the plastic bag was measured separately at 24h with a portable ammonia detector.

[0047] Table 1 Performance test results of corncob experimental animal litter prepared in Examples 1-5 and Comparative Examples 1-3

[0048]

[0049] As can be seen from Table 1, the corncob experimental animal litter prepared by the present invention is superior to the control example in terms of water absorption and ammonia adsorption performance, showing higher water absorption rate and lower ammonia concentration, which effectively improves the practicality and environmental protection of the litter and provides a healthier breeding environment for experimental animals.

[0050] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A corncob experimental animal bedding, characterized in that: The invention is composed of the following raw materials in parts by weight: 70-100 parts of corn cobs, 4-8 parts of polyacrylamide, 1-4 parts of silica gel powder, 15-35 parts of attapulgite, 4-9 parts of nano silver particles and 25-40 parts of water.

2. The corncob experimental animal bedding according to claim 1, characterized in that: The invention is composed of the following raw materials in parts by weight: 80-90 parts of corn cobs, 5-7 parts of polyacrylamide, 2-3 parts of silica gel powder, 20-30 parts of attapulgite, 5-8 parts of nano silver particles and 29-35 parts of water.

3. The corncob experimental animal bedding according to claim 2, characterized in that: The invention is composed of the following raw materials in parts by weight: 80-90 parts of corn cobs, 5-7 parts of polyacrylamide, 2-3 parts of silica gel powder, 25-30 parts of attapulgite, 5-6 parts of nano silver particles and 29-35 parts of water.

4. The corncob experimental animal bedding according to claim 3, characterized in that: The invention is composed of the following raw materials in parts by weight: 90 parts of corn cobs, 5 parts of polyacrylamide, 2 parts of silica gel powder, 30 parts of attapulgite, 5 parts of nano silver particles and 29 parts of water.

5. The corncob experimental animal bedding according to claim 1, characterized in that: The diameter of the nano silver particles is 40-50 nm.

6. The corncob experimental animal bedding according to claim 1, characterized in that: The specific surface area of ​​the attapulgite is 20-30 m 2 / g, and the particle size is not greater than 200 mesh.

7. The corncob experimental animal bedding according to claim 1, characterized in that: The particle size of the polyacrylamide is 30-50 meshes.

8. A method for preparing the corncob experimental animal bedding according to claim 1, characterized in that: The following steps are involved: 1) The crushed corn cobs are dusted and screened for the first time, the corn cob particles are soaked in water to remove the surface residues, and the water is drained and then dried at 60°C; 2) mixing polyacrylamide, silica gel powder, attapulgite, nano silver particles and water, and adding the dried corn cob particles in step 1) to mix, to obtain particles; 3) Drying the granules from step 2) to a moisture content of no more than 5%, and performing a second screening after drying to obtain corncob experimental animal bedding.

9. The method for preparing corncob experimental animal bedding according to claim 8, characterized in that: In the step 1), the particle size of the crushed corn cobs is no more than 8 mm.

10. The method for preparing corncob experimental animal bedding according to claim 8, characterized in that: In the step 2), polyacrylamide, silica gel powder, attapulgite and nano silver particles are mixed and added into water, and mixed evenly for 30 minutes at a stirring speed of 500 rpm to obtain a mixed slurry.

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