I have put a video on my dailymotion.com channel (search for my user name: Temujin Shamo) of how I pack eggs so they arrive unbroken and egg sac intact.
I don't have any pure ganoi right now, have only a few pure hens. They seem to take turns laying, but I do have ganoi crosses. Also most of the Brazilians are crossed with Thai. I do have pure Shamo.