Hi!!!
As noted in Bug 7309, the current rule for plural of zero is wrong in pt-br
The information that "is used singular for zero in "pt-BR" was in the Wikipedia article on 2006 and is not there anymore.
http://en.wikipedia.org/w/index.php?title=Plural&action=historysubmit&diff=85891644&oldid=85471591
The rule should be the same as in pt as noted here:
- https://translatewiki.net/wiki/Thread:Support/PLURAL_for_pt-br
- http://unicode.org/cldr/trac/ticket/2746
Thanks