by Kerry RVN, Bright Side Vets Summer often means holidays, days out and changes to our usual routines. While we might enjoy the change, our pets can sometimes find it harder to adjust, particularly when spending time alone. Separation anxiety can affect both dogs and cats. Signs can include barking, howling, pacing, destructive behaviour or toileting indoors, but they can also be more subtle, such as panting, trembling, refusing food or becoming unusually clingy. These behav