Breeding nest-forming structure and breeding housing using the same for small pet animals

A breeding housing for small pet animals, comprising:

• a casing provided with at least a transparent front portion;
• and
• a breeding nest-forming structure disposed in said casing,
• wherein said nest-forming structure includes a lamination made of corrugated cardboard, said lamination being provided with a nest-like space formed therein and an opening communicating with said nest-like space formed at one of four peripheral side surfaces of said lamination, and at least a part of said nest-like space constituting a front-opened portion opened at a front surface of said lamination,
• wherein said nest-forming structure is disposed in said casing in such a state in which said opening faces upward and said front-opened portion faces a front of said casing, and
• wherein a surplus space is formed above said breeding nest-forming structure in said casing.

A breeding housing for small pet animals, comprising:

• a casing provided with a transparent front portion;
• and
• a breeding nest-forming structure disposed in said casing,
• wherein said nest-forming structure includes a lamination made of corrugated cardboard, said lamination being provided with a nest-like space formed therein and an opening communicating with said nest-like space formed at a peripheral side surface of said lamination, and at least a part of said nest-like space constituting a front-opened portion opened at a front surface of said lamination,
• wherein said nest-forming structure is disposed in said casing with said opening facing upward and said front-opened portion facing a front of said casing,
• wherein a surplus space is formed above said breeding nest-forming structure in said casing,
• wherein said lamination is made by integrally securing a plurality of corrugated cardboard each having a punched nest-like space forming aperture, and
• wherein a part of said nest-like space in said breeding nest-forming structure constitutes a nest chamber which cannot be seen from the outside of said casing.