Hello, I had bought 11 baby chicks at the feed store about 4 or 5 weeks ago and they have been dying in spurts since then. First one just a few days after I brought them home, 4 all in a row the next week and then the remaining 6 were ok for a couple weeks but I had another one die on me last night. All of these chicks had seemed lethargic the night before they died, unable to walk far or balance well. The one last night seemed like it was failing to thrive, it was smaller and had less feathers than it's counterparts. They had a 10 day long course of tetracycline and it seemed to have been helping until this.last one died. I raised 10 perfectly healthy chicks last year and just can't.figure out what to do this time any advice is greatly appreciated!