JP6183967B2 - Rearing cage - Google Patents

Description

The present invention relates to a cage for rearing.

  Laboratory animals such as pigs and rabbits have nail extension similar to humans, so it is necessary to take care of them such as cutting or polishing their nails. Conventionally, as a method of caring for the experimental animal's nails, a method in which the breeder cares for the experimental animal's nails while anesthetized the experimental animal has been performed. However, in this method, an experimental animal must be anesthetized, which is very laborious.

  In relation to this, for example, Patent Document 1 below discloses a method in which a human cares for a nail extending downward from the lower surface of the chamber after the chamber containing the animal is lifted. According to this method, animal nails can be cared for without anesthesia.

Special table 2015-506682 gazette

  However, in the method described in Patent Document 1, since a human is taking care of a nail extending downward from the lower surface of the chamber after lifting the chamber containing the animal, the work is still complicated.

  The present invention has been made to solve the above-described problems, and an object of the present invention is to provide means that can easily care for the nails of experimental animals.

A flooring according to the present invention that achieves the above object is a flooring placed on a placement part of a breeding cage for breeding laboratory animals, the metal plate configured in a flat plate shape, A surface layer portion formed on the surface of the metal plate, including a resin material and a large number of particles, a hatch provided at a corner of the metal plate and freely openable and closable in a direction intersecting with an extending surface of the metal plate; The surface of the surface layer portion has an uneven shape by projecting the particles to the surface side of the surface layer portion.

  Moreover, the cage for breeding according to the present invention that achieves the above object includes the above-described flooring and a main body having a placement part on which the flooring is placed.

  According to the floor material and the cage for breeding configured as described above, the surface of the floor material has an uneven shape due to the large number of particles forming the surface layer portion. For this reason, when the experimental animal roams on the floor material having the uneven shape, the experimental animal's claws are worn, and the experimental animal's claws are automatically maintained. For this reason, the nail | claw of a laboratory animal can be maintained easily.

It is a perspective view which shows the cage for breeding which concerns on embodiment. It is a perspective view which shows the mode before mounting a flooring in a mounting part. It is the photograph which expanded a part of flooring. It is a front view which shows a flooring. It is a top view which shows a flooring. FIG. 6A is a partially enlarged view showing a portion A of FIG. 5 and FIG. 6B is a view showing a state of opening and closing of the hatch. is there. It is a figure which shows the flooring which concerns on the modification 1, Comprising: FIG. 7 (A) is a top view, FIG.7 (B) is a front view. It is a photograph which shows a part of flooring using expanded metal as a metal plate.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. In addition, the dimension ratio of drawing is exaggerated on account of description, and may differ from an actual ratio.

  FIG. 1 is a perspective view showing a breeding cage 1 according to an embodiment of the present invention. FIG. 2 is a perspective view showing a state before the flooring 20 is placed on the placement unit 15. FIG. 3 is an enlarged photograph of a part of the flooring 20. FIG. 4 is a front view showing the flooring 20. FIG. 5 is a top view showing the flooring 20. 6 is a diagram for explaining the configuration of the hatch 25, FIG. 6A is a partially enlarged view showing a portion A of FIG. 5, and FIG. FIG.

  As shown in FIGS. 1 and 2, the breeding cage 1 is used for an experiment through a main body 10, a floor material 20 placed on the placement portion 15 of the main body 10, and a through hole 24 of the floor material 20. And a collection unit 30 for collecting animal feces and urine.

  The main body 10 has a front wall 11 located on the left front side in FIGS. 1 and 2, a rear wall 12 facing the front wall 11, left and right side walls 13 and 14, and a flooring 20. A portion 15 and four leg portions 16 are provided.

  The front wall 11 is formed with an opening 111 for taking in and out laboratory animals. The opening 111 is provided with a door body 112, a hinge 113, and a door lock 114. The door body 112 is provided so as to be freely opened and closed by a hinge 113 and can be kept closed by the door lock portion 114. The mechanism of the door lock unit 114 is not particularly limited as long as the door body 112 can be kept closed.

  The rear wall 12 and the left and right side walls 13, 14 have a closed configuration. In addition, the rear wall 12 and the left and right side walls 13 and 14 may be configured in a lattice shape so that an internal state can be confirmed.

  As shown in FIG. 2, the placement unit 15 is formed in four lattice shapes, and the flooring 20 is placed thereon. The shape of the placement portion 15 is not particularly limited as long as it has a function capable of placing the flooring 20.

  The four legs 16 are provided below the four corners of the breeding cage 1. A caster capable of moving the breeding cage 1 may be provided at the lower ends of the four legs 16.

  The flooring 20 is placed on the placement unit 15 of the main body 10, and experimental animals are raised on the flooring 20. As shown in FIGS. 3 and 4, the flooring 20 includes a metal plate 21 configured in a flat plate shape, and a surface layer portion 22 formed on the surface of the metal plate 21. The size of the flooring 20 is, for example, 1000 mm long, 1000 mm wide, and 5 mm high.

  The material constituting the metal plate 21 is preferably aluminum from the viewpoint of weight reduction. However, the metal material is not particularly limited.

  As shown in FIGS. 3 and 4, the surface layer portion 22 includes a resin material 22 </ b> A and a large number of particles 22 </ b> B. On the surface 221 of the surface layer portion 22, a large number of particles 22B protrude toward the surface 221 side. Thereby, the surface 221 of the surface layer portion 22 has an uneven shape. The surface layer 22 is formed over the entire area of the metal plate 21.

  The resin material 22A is, for example, an epoxy ester resin, but is not particularly limited.

  The particles 22B are, for example, silica, aluminum oxide, aluminosilicate, titanium oxide, carbon black, clay, but are not limited thereto.

  In addition, as shown in FIG. 5, the flooring 20 has a floor surface 23 used for breeding laboratory animals and a large number of through holes 24 whose hole diameters are defined based on the size of feces of the laboratory animals. Provided. Specifically, the through hole 24 is preferably defined to be about 2 mm to 4 mm larger than the size of the feces of the experimental animal. The diameter D of the through hole 24 is, for example, 15 mm.

  The through holes 24 of the flooring 20 are arranged in a staggered pattern. Here, the staggered pattern means a mode in which three adjacent through holes 24 form the apex of a substantially equilateral triangle. The pitch between the centers of the adjacent through holes 24 is, for example, 25 mm, but is not limited thereto. The through holes 24 may be arranged in a square lattice shape.

  As shown in FIGS. 5 and 6, the flooring 20 includes a hatch 25 that can be opened and closed in a direction intersecting the extending surface S on which the metal plate 21 extends, and an L-shaped shaft to which the hatch 25 is rotatably attached. 26.

  The hatch 25 is configured in a substantially triangular shape. The hatch 25 has a mounting portion 251 that is rotatably mounted around an axis 26 </ b> A extending in the vertical direction in FIG. 6A among the L-shaped shaft 26.

  The L-shaped shaft 26 is fixed to the floor surface 23 of the flooring 20. The fixing means is not particularly limited, but for example, fixing by an adhesive.

  According to the hatch 25 and the shaft 26 configured in this manner, as shown in FIG. 6B, the hatch 25 can rotate around the axis 26A, and therefore the direction intersecting the extending surface S (FIG. 6B ) In the left-right direction). In the state where the hatch 25 is opened, the feces on the flooring 20 can be dropped to the collecting unit 30.

  The collection unit 30 is disposed below the placement unit 15 and collects experimental animal feces. The collection unit 30 is configured to be slidable in the front-rear direction.

  Next, a method for using the breeding cage 1 according to this embodiment will be described.

  As shown in FIGS. 1 and 2, the flooring 20 is placed on the placement unit 15. Then, with the door body 112 opened, the experimental animal is placed in the breeding cage 1 through the opening 111 and the experimental animal is placed on the flooring 20. And in the state which closed the door body 112, it locks with the door lock part 114, and maintains the closed state.

  Then, when the experimental animal walks on the flooring 20 in the breeding cage 1, the claws of the experimental animal are automatically worn.

  In addition, the experimental animal reared by the rearing cage 1 according to the present embodiment is not particularly limited, and examples thereof include pigs and rabbits.

  Next, the manufacturing method of the flooring 20 mentioned above is demonstrated.

  A paint for forming the surface layer portion 22 is applied to the surface of the flat metal plate 21. As the paint, for example, non-slip non-slip paint light type IW-NSL manufactured by Tanimura Corporation can be used.

  Next, the coating applied to the surface of the metal plate 21 is dried for a predetermined time in the atmosphere, for example, to form the surface layer portion 22 on the surface of the metal plate 21.

  Next, the through hole 24 is formed by pressing the metal plate 21 having the surface layer portion 22 formed on the surface.

  As described above, the flooring 20 according to the present embodiment is the flooring 20 placed on the placement unit 15 of the breeding cage 1 for breeding experimental animals. The flooring 20 includes a metal plate 21 configured in a flat plate shape, and a surface layer portion 22 formed on the surface of the metal plate 21 and including a resin material 22A and a large number of particles 22B. The particles 22B are the surface layer portion 22. The surface 221 of the surface layer portion 22 is provided with an uneven shape by projecting to the surface 221 side. According to such a flooring 20, when the experimental animal roams on the flooring 20 having an uneven shape, the laboratory animal's claws are worn and the laboratory animal's claws are automatically maintained. For this reason, the nail | claw of a laboratory animal can be maintained easily.

  In addition, according to the flooring 20 according to the present embodiment, when the experimental animal walks on the flooring 20 having an uneven shape, the nail of the experimental animal is worn, so that the breeder can use the nail of the experimental animal. The number of times of care is reduced. Therefore, breeding management of experimental animals is facilitated.

  Moreover, it has the hatch 25 which can be opened and closed in the direction which cross | intersects the extended surface S where the metal plate 21 extends. For this reason, the feces of the laboratory animals on the flooring 20 can be removed from the flooring 20 and the hygiene aspect is improved.

  Moreover, it has the floor surface 23 used for breeding | raising of a laboratory animal, and many through-holes 24 by which a hole diameter is prescribed | regulated based on the magnitude | size of feces of a laboratory animal. For this reason, feces of laboratory animals on the flooring 20 can be easily removed from the flooring 20 and the hygiene aspect is improved.

  Further, as described above, the breeding cage 1 according to the present embodiment includes the above-described flooring 20 and the main body 10 including the placement unit 15 on which the flooring 20 is placed. For this reason, when the laboratory animal roams on the floor material 20 having an uneven shape, the laboratory animal's claws are worn and the laboratory animal's claws are automatically maintained. For this reason, the nail | claw of a laboratory animal can be maintained easily.

  Next, modified examples will be described.

<Modification 1>
FIG. 7 is a view showing the flooring 120 according to the modified example 1, in which FIG. 7 (A) is a top view and FIG. 7 (B) is a front view. In the first embodiment described above, the surface layer portion 22 is formed over the entire surface of the metal plate 21. However, as shown in FIG. 7, the floor material 120 is formed with the first section 121 in which the surface layer portion 22 is formed on the surface of the metal plate 21 and the surface portion 27 having only the resin material 22 </ b> A on the surface of the metal plate 21. The second section 122 may be configured. At this time, it is preferable to provide a partition (not shown) between the first compartment 121 and the second compartment 122 so that the experimental animal cannot freely move between the first compartment 121 and the second compartment 122.

  Next, a method for manufacturing the flooring 120 according to Modification Example 1 will be described.

  First, a coating material for forming the surface layer portion 22 is applied to the surface of the metal plate 21 with the second section 122 covered with a cover. As a result, the paint is applied only to the first section 121. Then, the applied paint is dried.

  Next, a paint containing only the resin material 22A is applied in a state where the first section 121 is covered with a cover. As a result, the paint is applied only to the second section 122. Then, the applied paint is dried.

  Thus, according to the flooring 120 having the first section 121 and the second section 122, for example, when the laboratory animal sleeps or eats food, the laboratory animal is placed in the second section 122 having high residential comfort. When the laboratory animal walks around, it is preferable to live in the first section 121. That is, the comfort of the experimental animal and the ease of care of the nail of the experimental animal can be satisfied at the same time.

  As described above, the flooring materials 20 and 120 and the breeding cage 1 according to the present invention have been described through the embodiments and the modified examples. However, the flooring according to the present invention is not limited to the described configuration, and is patented. Various modifications can be made based on the scope of the claims.

  For example, in the above-described embodiment, the flooring 20 is manufactured by applying a paint to the surface of the metal plate 21 to form the surface layer portion 22 and then pressing to form the through hole 24. However, as shown in FIG. 8, the flooring 220 may be manufactured by applying a paint to the surface of a metal plate that is an expanded metal. In FIG. 8, a part of the flooring 220 is shown.

  Further, in the above-described embodiment, the flooring 20 has the hatch 25 that can be freely opened and closed, but may be configured such that the hatch 25 is not provided.

  Further, in the above-described embodiment, the floor material 20 is provided with the through hole 24, but may be configured such that the through hole 24 is not provided.

1 rearing cage,
10 Main body,
15 mounting section,
20, 120, 220 flooring,
21 metal plate,
22 Surface layer,
221 surface of the surface layer,
22A resin material,
22B particles,
23 Floor,
24 through holes,
25 Hatch,
27 Surface part,
121 first section,
122 Second section,
S Extension surface.

Claims (3)

A flooring placed on a placement part of a breeding cage for breeding laboratory animals,
A metal plate configured in a flat plate shape;
Formed on the surface of the metal plate, and a surface layer portion including a resin material and a large number of particles;
A hatch that is provided at a corner of the metal plate and is openable and closable in a direction crossing an extending surface on which the metal plate extends,
A first section in which the surface layer portion is formed on the surface of the metal plate;
A second section in which a surface portion including only the resin material is formed on the surface of the metal plate;
Have
When the particles protrude to the surface side of the surface layer portion, the surface of the surface layer portion has a concave and convex shape, and
A partition provided between the first compartment and the second compartment to prevent the laboratory animal from freely moving;
A breeding cage comprising: a main body portion including a placement portion on which the flooring is placed . The flooring is
A floor surface used for breeding the laboratory animals;
The breeding cage according to claim 1, comprising a plurality of through-holes whose hole diameters are defined based on the size of feces of the laboratory animal. The laboratory animal is a pig,
The breeding cage according to claim 2, wherein the through holes are arranged in a staggered pattern, the hole diameter of the through holes is 15 mm, and the distance between the centers of the adjacent through holes is 25 mm.