Macaroni rats cannot be housed together, they are solitary animals and forcing them to be housed together may cause them to fight. However, they can be housed together if they want to breed, but once mating is complete, they need to be isolated. If you want to make macaroni rats cage together, you can first wash the smell of their body, and then try to put together, no fights, the cage is successful.
The macaroni rat is very territorial and cannot be kept in a cage, it is a solitary animal and can only be kept alone. If they are forced to be housed together, they are likely to bully and even fight and bite each other to death.
However, they can be kept in a cage when they need to mate and reproduce, but once they have finished mating, they need to be isolated in time, otherwise they will still fight. If you want macaroni rats to be caged together, consider using a matching cage.
In addition, before combining the cages of macaroni rats, the owner needs to use the bath sand to clean up all the smells on the two macaroni rats, and put them inside a cage, but can not hurt each other, and then try to combine the cages after getting familiar with each other.