Star do you happen to know anyone with a hog trap? If so you could bait one and set it for the dogs. The darn traps are usually about the size of a truck bed so conceivably several dogs could get in there at once and they could stay in there until the county (or whoever) folks could come by and get them. Might be more than you want to deal with but I thought I'd throw it out there as an option.
RichnSteph
My brother in law has a hog trap. But he is currently using it as they found hog sign on their property. But if they become available I might ask to borrow it.