You just enter them in the show the same as you would any other breed. Yours would be shown as blue laced red Wyandotte bantams in the RCCL class. Because they are not a recognized variety they are not supposed to place any higher than best of variety. That being said, I did have one judge...
I will be at the show and have the following ducks available for pre-sale.
2 pairs Saxony Ducks
1 pair Dutch Hookbill Ducks (white drake/dusky hen)
1 pair Penciled Indian Runner Ducks
I use an incubator to hatch my Ko Shamo and have had extremely good results. I typcially hatch 95-100% of all eggs set. I use a sportsman incubator. I run mine at approximately 55% humidity for the first 18 days and 65-70% humidity for the hatch. Early embryo death like you are seeing can...