Hi Victor,
you can create the SLD objects in DEV and transport the same in to Quality and PROD systems.
check the below blog.
http://scn.sap.com/people/daniel.graversen/blog/2012/03/11/sld-setup-and-transport-for-sap-pi
http://help.sap.com/saphelp_nw70/helpdata/en/f1/92b248db68409487661ff13239127d/frameset.htm
You can check this blog for the general SLD setup recommendation of SAP:
Regards
Srinivas