I have 2 little westies Macki and dougle who are 5 and who are my world, I also have just had a 6 month old collie dog which i have had off someone i know save him going into a dogs home. I have had him a week now and my 2 westies macki and dougle keep growling and snapping at him when he comes near them, has anyone got any ideas how i can help them 2 accept the collie as i feel quite stressed out with them all at the moment.