In laboratories hamsters are housed in pens designed for scientific use, and there are also special pens for exhibition, as in a hamster show.
There are also special pens for exhibition, as in a hamster show. In laboratories hamsters are housed in pens designed for scientific use.
In laboratories hamsters are housed in pens designed for scientific use. There are also special pens for exhibition, as in a hamster show.
In laboratories hamsters are housed in pens designed for scientific use. There are also special pens for exhibition, as in a hamster show.