Just so you know, sometimes you just have rotten luck. This year I've hatched:
17 = 15 roos
6 = 4 roos
1 = 1 roo
4 = 3 roos
6 = 5 roos
9 = 7 roos
Total 43 for 35 roos. 79% roos!!!
If they did try to sex them and sold you the leftovers that is just wrong but if I'd sold you chicks this year...