Rosies, and mid-bajas in particular, can be differentiated without probing. Females, in all instances I have seen(and I've bred well over 100 baja rosies) will NOT possess spurs and males will. They are hard to see in neos tho.
In other types(coastals for instance) I have seen females with diminutive spurs, but mostly they will not have any.
As for the sex ratio, that's the way it goes sometimes. One female gave me 4.4 this year, while the other felipe female dropped 6.2. My Joshua tree dropped 5.0 and my hypo Borrego 3.3
Given enough breedings you should see a pretty even split.
For some good photos of spurs, etc. go to:
http://www.localityrosys.com/husbandry_propogation.php
and/or
http://www.rosyboas.com/index.php?c=natural
-----
Thanks,
-JC
rosyboas.to

1.1 San felipe (CB'93)
0.1 ghost San felipe (CB'98)
1.0 ghost San felipe (CB'03)
0.1 het ghost San felipe (CB'04)
1.0 ghost-line San felipe (CB'98)
1.1 hypo Borrego (CB'99)
1.1 albino Whitewater (CB'02)
1.1 double het for snow (CB'95)
1.0 snow rosy (CB'04)
1.1 Joshua Tree (CB'96)
1.0 Bagdad (CB'99)
1.1 Harquahala Mts. (CB'04)
1.1 Temecula albino (CB'02)
0.1 Temecula albino (CB'05)
1.1 Hemet anery (CB'05)
0.1 Boa constrictor (CB'92)

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