Is ivermectin not an option? My fat pet rat got mites and was miserable, itchy and too painful to scratch. One grain of rice dose from the infamous horse tube cleared him right up.
You still need to remove them, otherwise you have decomposing maggots in an infected would, which is a great way of killing whatever you were trying to save.
https://pubmed.ncbi.nlm.nih.gov/3840994/ Seems to show that it does, but I guess the logistics of keeping a herd of cattle covered by giving shots every two weeks may be difficult. And there still is damage to the animal