i sure hope things turn out ok teasider,,,fell for you mate, very difficult to suss out over the internet,, paratyphoid/salmonella can be very similar,, i note the vet has done an autopsy,, and "thinks" its p m v ,, , i cannot think why he just" thinks2 this , as p,mortem would give you a definite answer,,lets hope you get to the bottom of this,, i quote this last post ,, as having similar symptoms, and have noted this b4 on both these occasions ,,after p,m ,, was paratyphoid,, im sure the vet will get things sorted out for you,, at least youve got the right guys on the job,, good luck in finding both the diagnosis and hopefully the cure,, i cannot help but say,, in all my 60 years experience with pigeons, since this p m v vaccine was introduced , more ailments have surfaced ,,only my opinion