Can 2 brothers same littter stay together or will they fight?

Question
We adopted a female who had 3 babies a month after we got her. 1 girl and 2 boys. We have started to wean them they are 3 1/2 weeks old the girl and the mom are in one cage and the boys are in another cage. We wanted to  keep both boys can they live in the same cage or will they eventually fight? Thank you for your help
Lisa

Answer
Hello Lisa,

It really depends on your boars. However most boars who are raised together (such as littermates) generally continue to get along fine throughout their lives. Congratulations on your new pups and good luck!

-kkat
http://www.geocities.com/abyssinianguineapigs