hi owen ,dont want to dump them want to cure them , I live in sunderland and have treated regularly for cocci ( coxoid ) canker ( cankerex ) worms ( moxydectin ) droppings have gave no cause for concern appearence of the birds has been fine but on handling they have appeared to have a lack of body surrounding the keel , not light but not well rounded and just off the pace on raceday ,,changed corn ,, something not right hence this post .. cheers jonny