New addition had his first jabs and a clean bill of health this morning. He just used the tray and a passes about 1/4 teaspoon of fresh blood plus a little streaking in his poo. Have called the vet and they say it could be a reaction to his jabs and keep an eye on him. Not keen to go to work and leave him for four hrs. He has been pinching the older cat's food including some (bone free, I checked thoroughly) pieces of roast chicken. Have had to seperate a couple of rough play sessions with the older cat. No hissing or serious assaulting but when biting starts I do clap my hands to startle and seperate them. Any ideas or experience of this? The Cat's protection say all kittens are wormed before leaving so I assume he has been.....