We have recently adopted Toby, a 2.5yr old retired grey from the Greyhound Adoption Program in South Australia. He was part of the TAFE program (veterinary course) and was therefore fostered for around 10 weeks with two different families before coming to live with us. He has been green collared, whereby they test the dog with other dogs, small dogs, cats, hugging, removing food etc. He passed and showed no sign of aggressive/reactive behaviour. This was in April.
Since he has been with us (just over three weeks now) he has been very reactive to other dogs when we go on walks. Barking, gro