Originally intended to be released in July 2017, then it was pushed back to December 22nd the same year, then it was pushed forward to December 15th, releasing the same day as Star Wars: Episode VIII - The Last Jedi (2017).
This is the second Blue Sky Studios film, based on a book and animation, to have an original theme music being remade by its film composer. The first was The Peanuts Movie's (2015) "Linus and Lucy", "Skating", "Christmas Time Is Here", and "Christmas is Coming" having been remade by Christophe Beck. The second is Ferdinand's (2017) "Flower Theme" being remade by John Powell.
John Powell also scored some of the previous films produced by Blue Sky Studios, which were Robots (2005), Ice Age: The Meltdown (2006), Ice Age: Dawn of the Dinosaurs (2009), Ice Age: Continental Drift (2012), Rio (2011), Rio 2 (2014), and Dr. Suess' Horton Hears a Who! (2008).
First lead role in an animated project for John Cena before that he. He had previously landed the lead roles in Dave the Barbarian and the pilot to Ultimate Muscle: The Kinnikuman Legacy (2002), but both were never released to the public. He had also auditioned for Ron Stoppable in Kim Possible (2002).
The trivia item below may give away important plot points.
Possibly a nod to his co-worker the Rock, in the scene where Ferdinand wakes the rooster, you see that Jorgé is the same colors as HeiHei from Moana. Jorgé and HeiHei are phonetically similar, and comedic relief.