These products are found in the equine section. Part feathers under each vent, wing pit and nape of the neck at base of the head... making sure to hit skin a SMALL spritz is all it takes. This bottle for under $8 lasted me over 2 years with 82+ birds, 2 large goats, and 3 medium dogs. I bought it to keep mosquitoes off but soon discovered the many benefits! Yes, treat everyone... even if you don't see evidence on them... as they could become a target if not treated. I'm under the impression this product might not be safe for use around cats... but it is safe for dogs, humans, birds, rabbits, goats, and many more... reading labels is always important. I have even used it on fresh hatched chicks as well as hens that have set for extended periods of time. I would not use it near a pond with fish.
Poultry lice don't care about humans. You might get one on you but they won't stay there or inhabit you. I know how the creepy crawlies go though!
House her in their sight, like a kennel in the run or something. This will make your transition be smoother.
If you need to use pick no more or blue kote... or even just blue food die to cover the red patch when you are ready you can do that... when it is no longer an open wound but still growing in feathers.
Each flock is so individual... it's kinda hard to know what will happen. In my opinion it isn't RED that attracts pecking... it's blood. Let's be real... combs and waddles are red, as well as their face and even some legs... blood on the other hand is tasty and causes a treat craze essentially.
If it's just a wound... I won't personally administer antibiotics... the body already makes them. And antibiotics kill good bacteria too... (did I already say that earlier in the thread?

) Treating to "prevent" a secondary infection is exactly why so many drugs we have these days don't work. I have had birds completely scalped that recovered WELL without the use of antibiotics... I know each situation is unique though. If I didn't see puss building, or hot redness spreading... that looked like an infection...
I would lay off the antibiotics. Getting shots ain't no fun in my experience and could just be another stresser. If I was going to use antibiotics for the head wound I would do so topically... unless the vet suggested it for the leg. We just make out best decisions with the information we have.
Yes it is true that if your body is focusing TOO much of its' energy at a different location that a bird *may* not lay eggs (like during molt)... Even hard core athletes will forgo menstruation during periods of heavy training. So it is possible, but doesn't make it an absolute truth... another poster on here (rebrascora) has birds with Marek's that continue to lay. Without protein (and amino acids) being up... not likely. Many of my birds may squat a whole month before they begin laying... and it is a hormone that is light dependent, so this time of year (at my location) can take a little longer.
Glad to hear your had a wry neck actually recover! That in fact can be a symptom of Marek's too.

And recovery doesn't make it not true, per say. Many Marek's birds do recover. However, it's also possible that some birds just aren't processing or absorbing as well. Could be genetic, left over mal-absorption from coccidiosis when young, or too many treats, internal or external parasites or both... I tell you, the learning just never seems to stop... so many possibilities... again we do our best with the info we have.
The sling is awesome... as well as the fact that the vet actually looked at her. I would say that once the pain response is diminished significantly a little physical therapy might help recovery... making the sling where even though the foot dangles it can make contact with the surface and put some weight and try standing to strengthen the muscle back. To me actual signs of injury like swelling, heat, or redness are a good thing as they would not likely happen with Marek's. An injury effects one bird... so while it still stinks is not as scary as the other possibility that could effect the whole flock.
Hoping she makes a full recovery, and quickly!