I have one rooster that is gasping for breath and looks like he has lost a bit of weight, his comb is also very pale. I am leaning towards Gapeworm or CRD. I have Duramycin 100 and Tylan 50 on hand and will try to get him an injection of one of them - can anyone recommend which one and what dosage? I would also like to try to treat the other birds as some of them are looking on the skinny side, its been 90+ degrees though, so it could also be the heat, can I put the injectable solutions in the water, I use a 5 gallon automated system. I have over 40 birds and I just don't think I could get each one of them an injection. I was also going to get some safeguard and mix that with water, again wondering if I can put it in their free for all water or if I need to try and get it to them individually. Thanks in advance, absolutely any suggestions would be appreciated - there is so much information out there I am completely confused!