thank you all for your comments and suggestions, i hope things do get better and now i am confident that they will. As i mentioned the oldest is 5 months and the youngest would be 2 1/2 months old - from how old can i have them spayed? Am i right in...

Sorry just a note - i should have mentioned they are both female and not fixed. Should i have them both neuted?

Im at wits ends at the moment! I have a beautiful 6 month old cat who is very territoral and affectionate to me, my partner bought home a new kitten recently and now the older cat just continues to fight and scare it. She will growl whenever she see'...