When some people think of rats, they think of a dirty, disease carrying, undesirable rodent. This could not be farther from the truth. Domesticated rats are clean, disease-free, and very intelligent.
Rats make wonderful pets for children or adults.
They are easy to care for and will give lots of pleasure in return. She says that rats were not the cause of the Black Plague in the middle ages, It was cause by fleas on the rats and people living in unsanitary conditions. Inc. It says an adult male rat can weigh up to two pounds but typically weighs less. Rats like to chew, so the cage should be designed to resist chewing and gnawing. Aquariums make great cages for rats since they are very easy to clean and disinfect.