Whatever the scientists give them. Which is probably mouse/rat pellets that you can buy probably anywhere that sells pet supplies.
Lab mice were originally bred from pet mice. Now they are kept in special animal facilities where they are safe from diseases. There are a number of suppliers of lab mice that sell to research institutions, for example: Taconic (www.taconic.com)
No. Oranges eat mice.
yes they do eat mice
No,they eat grains.
yes they do eat mice
They are used in labs as lab rats
i am pretty sure that they do eat mice because they are field mice and field mice eat grain and if the grass grows maybe corn crops then the field mice would eat it !!
No, they do not eat mice. They eat insects, seeds, and berries.
Mice are known to eat insects.
no, mice do not eat weasels
Yes, mice can eat chips.
There are many, including house, field, lab, standard, piny, and Himalayan mice.