Sent 13 birds to the race on sat kept 24 back for this week & was looking forward to the race,noticed on Sunday some of the race birds weren't guite thereselves but thought some of them just had a hard race,then when feeding on Monday night noticed they weren't eating as well some not at all,went back out later on and there was some peas on perches etc,went out Tuesday and as I expected watery droppings,phoned Belgica as soon as they opened,then as I was walking back from the shops bumped into jim Hannah who I told what happened,Jim to his credit went to his credit went to his loft and brought me down nifuramycin and give me some tips,keep them on it for 5 days keep them in,the difference already is brilliant got to say thanks to Jim for getting me a days jump on the pmv,just makes me sick as my birds are treated for everything and one race can do this to u,just don't get caught out guy's this can happen to anyone be on your guard,good thing is Belgica told me after 5 days they'll b good to go,atvb guys