Yes I do Like to use a shorter veg photoperiod...There is an article I have posted 2-3 times...I believe it was written by "Henk" from Dutch Passion.
In the article which is an article on testing feminized seeds. He founf that experimentation on his feminized seeds yield higher % of fem's using a shorter photoperiod. I figured if it works for feminized seeds, then it should work for all seeds...jmho peace