However, rats are larger and heavier, while mice are smaller and have longer, more hairy tails. Mice ears seem large compared to their body size, while a rat’s ears will seem balanced with its ...

Hantavirus comes from contact with rodents — such as rats and mice — especially after exposure to their urine, droppings, and saliva.

As with all animals kept in our animal research facility, the mouse was fed autoclaved mouse diet (LM-485 Mouse/Rat Sterilizable ... the nose to the base of the tail and weighed 14.9 g.