Big Machine released a statement in portuguese about it (srry about google translate):
"We ask the fans and Taylor Swift's admirers do not believe in any pretentious news created by the media. Our artist is devoid of any kind of prejudice. Be it social, racial, political or religious. Taylor promotes in his music an equality behavior between people, would not be consistent from any statement of contents of any person involving the staff of the singer, and especially her mother Andrea. The delay in confirming new dates and official announcements about new leg of the tour takes place as a matter of logistics. Everyone involved in the new world tour of Taylor Swift, The 1989 World Tour, are concerned in being able to bring to the world a spectacular show of great quality, but it's necessary to wait for the next official announcements to be made in the coming months. And we're hoping that Brazil also part of the tour route and the new dates to be announced. "- Big Machine Label Group