I haven't done much exporting back to DAZ Studio but I believe the Carrara FBX format keeps bones and UVs - but only for DAZ Studio. The FBX export is very inconsistent in it's results for other programs. 

If you're making something that is to be used in Poser, Studio and Carrara, It is still safest to start the modeling and texturing in the application of your choice, but the rigging in Poser. Carrara is a closed world when it comes to exporting a fully rigged character.