This is another hot topic (banned medications), but to treat it one needs to use one medication to treat the actual histomoniasis and another to treat the secondary E.coli. Those medications are enrofloxacin and metronidazole, both are banned for use in poultry.
The antibiotics that will require prescriptions are the injectable tylosin, oxytetracycline, penicillin, sulfadimethoxine, lincomycin, and gentamicin that places like TSC, Rural King, Valley Vet, Jeffers's, etc. sell.
You could just buy a selection of fish antibiotics, mortar and pestle, gram scale, a suspension syrup like Ora-Blend, and make your own liquid antibiotics.
I saw that a couple of years ago and after having read it, I've been a little leary of handling birds that were bitten or killed by a predator, especially after seeing a skunk out in the middle of the day.
“It will cause a little bit of difficulty because producers who want and need to use antibiotics are going to have to work with their beef cattle or livestock veterinarians and develop a veterinary client-patient relationship in advance of any disease issues,” said Joe Paschal, Ph.D., AgriLife...
To the best of my knowledge, no, they are not affected.
The antibiotics that will require prescriptions are the injectable tylosin, oxytetracycline, penicillin, sulfadimethoxine, lincomycin, and gentamicin that places like TSC, Rural King, Valley Vet, Jeffers's, etc. sell.