baby being aggressive towards adults

About a week and a half ago, one of my beloved piggies passed away. I had 2 at the time and suddenly I then only had one. I spent the day cuddling with my baby and thought that he needed a new sibling. After doing much research and talking to a vet, I came to the decision to find him a little...

Hi All, My female guinea, Squeaks, had babies 5 weeks ago; 2 males and 1 female. When I introduced one of the 5-week old male babies to it's father guinea pig named Gus, the baby constantly attacks him & refuses to submit. The baby is chattering & even bites. I'm in total shock because I...