there is no doubt there is more disease in pigeons now, than in the past,, i would suspect due to many situations, , i wonder why these diseases are more prevelant to-day than many years ago?? many new un-natural systems?? maybe pushing the boat too far at times?? who knows,,,but as the old saying goes " kick against nature and itll kick back",, i wonder if this is the kick back ,,
i often wonder if there is too much inbreeding now,, not [in my opinion, first cross incest , as roly puts it,[but thats the start] but continual inbreeding through many years, with these same inbred or incest birds,
i think there is much we dont know about this , and the possible damage it could be doing,, again , who knows??
but its maybe time to delve further into this long term practice, and any possible damage this could be doing in the long term , over many years??