biosecurity

I noticed last night that my wether has a lump on his jaw. It's about the size of a quarter, hard, not hot, doesn't seem to be painful. I'm thinking it's probably not CL, judging by the placement and the fact that I've had all of my goats for at least a year and none of them have shown outward...

SUMMARY I'm located in Northeast Ohio, and I recently purchased a Great Pyrenees pup from a Boar goat farm, and brought her to our micro dairy herd. I've had a multitude of "illnesses" in my herd since her arrival and I thought that maybe the dog brought some bio-contaminants to our farm or...