I started of with show pigeons about two years ago i never had any problems with paratyhoid or any sickness then i started to get racing pigeon from people mix in with the show birds then things started to go wrong all show bird started to die one a day i lost all my young show tipplers and a few show racers and older show tipplers so i got rid of all my show birds now i have only got racing pigeons its my first year but now im having problems with them one pigeon the other day it head was all over the place twisting and turning then it died their is a few cocks humpy and light and a few hens light i have the cocks and hens in different sheds im going to pair them up in a few weeks what should i do and where do i get selbac im from belfast. i have a bottle of baytil should i use it if im pairing the bird up in a few weeks i did treat them a 2 months ago on furazo-lidon+ its for salmonellosis(paratyphus).