Have a look at the link mate,hope it helps.The vet should have told your mate what he was prescribing and labelled the container. http://www.albertaclassic.net/chalmers1.php Lindsay.
If you keep your birds in the house would an ioniser be any benifit. http://www.google.co.uk/search?hl=en&source=hp&biw=1276&bih=874&q=ioniser&aq=f&aqi=g4g-s1g5&aql=&oq= Lindsay.
Welcome to pigeon basics ,good luck with your search for equipment etc. Here's a link to some lofts to give you an idea what to look for. Lindsay. http://blakessheds.co.uk/PigeonLoft.aspx
I'm on the new versa-laga breed/race mix with a few beens and poultry layers pellets added.A handfull of pickstone twice a day same with matrix and grit.They've just been cankered followed by probiotics,should be hatching this mo. and the rest of the week.