I'm no expert but this is my process
*I keep all of my show flocks under a cover run
-I try to keep all of the birds in tip top condition all of the time in case of vistors (like family friends to the house and things)
*I bring them in the night before a show
-Wash their feet and beaks and combs
- (I keep toe nails and beaks trimmed all the time)
*The day of the show I set up in the car and have all my supplies ready
-I take a baby wipe and wipe them down
-I take a que tip and put valseline on their comb and legs
- I put them in their cage and wipe them down one more time and walk away and have fun
That is the process that I have. I granted show bantam ameraucanas and they don't require alot of conditioning.
That's pretty much what I do except I do use a spray sheen product when I coop in. The best way to get your birds ready for show is to house them in such a way that they don't get dirty & out of condition. I rarely bathe birds for a show.