I'm not trying to pick on any one, but this has to be corrected. Any egg wash will only affect the surface of the egg and potential pathogens there (which there may be, from poop, soil, what not). It would have NO impact on any bacterial or viral diseases transmitted to the egg before the hen lays down the shell around the egg. I do NOT want people to think these kind of attempts will affect AI. They won't! Only if the bacteria or virus on the OUTSIDE of the shell, not if it is inside the egg. Since the state tests the egg interior, it is clearly passed down through either the yolk or albumen, and not the shell. I do not want people thinking that any egg wash is a quick fix for AI. If it were, no one would have a problem with it. Commercial flocks probably all use antibacterial/antiviral egg washes, and that didn't stop them from being infected. Use egg washes if you want for other reasons, but don't kid yourself into thinking they will prevent AI or kill it inside the shell.
On this, I'm just wanting to clarify something for myself if you have the answer. I understand simply washing the eggs as some do before selling them will not work on the interior of the egg, but I've read many times about egg wash 'soaks', specifically in Tylan or some other antibiotic, to prevent certain diseases from spreading through the egg to offspring. The general idea is that the eggs are soaked for a day or two to allow them to absorb the antibiotic through the pores in the eggshell and for it to work inside the egg. So what I'm wondering is if this idea is flawed, or if this type of soak wash would work in this case? I've read some promising reports from other flock owners on Tylan soaks with eggs from MG infected flocks, but then I'm also finding through research now that the rate of MG transferring through the eggs is something like 5%, so I don't know how reliable these reports are...