Scrum-half Dimitri Yachvili claimed a 21-point match haul although last season's runners-up were given a scare when Pablo Sciarretta crossed for an early try to move Parma ahead. However the French visitors dominated thereafter.
Yachvili crossed for tries in the 26th and 46th minutes, kicked four conversions and added a penalty in a display which earned him man-of-the-match honours.
Further tries from Romain Cabannes, Sereli Bobo, Damien Traille, Thomas Lievremont and Benjamin Dambielle left Parma licking their wounds.
The scorers:
For Parma:
Try: Sciarretta
Con: Mazzariol
For Biarritz:
Tries: Traille, Yachvili 2, Lièvremont, Bobo, Cabannes, Dambielle
Con: Yachvili 4, Dupuy 2
Pen: Yachvili
Overmach Parma: 15 Arthur Little, 14 Andrea Orsi, 13 Ezio Galon, 12 Albert Tuipulotu, 11 Marco Neethling, 10 Francesco Mazzariol, 9 Marco Frati, 8 Robert Barbieri, 7 Liviu Pascu (c), 6 Pablo Sciarretta, 5 Juan Martin Soffredini, 4 Dan Guiness, 3 Alberto De Marchi, 2 Bruno Masetti, 1 German Fontana.
Replacements: 16 Michael Barbieri, 17 Ludovic Zanini, 18 Federico Minello, 19 Manoa Vosawai, 20 Alejandro Canale, 21 Giovanni Ghidini, 22 Riccardo Robuschi.
Biarritz Olympique: 15 Nicolas Brusque, 14 Jean-Baptiste Gobelet, 13 Denis Lison, 12 Romain Cabannes, 11 Sereli Bobo, 10 Damien Traille, 9 Dimitri Yachvili, 8 Thomas Lièvremont, 7 Mohammed Dridi, 6 Serge Betsen, 5 Santiago Dellappe, 4 Jerome Thion, 3 Hedley Wessels, 2 Benoit August (c), 1 Petru Balan.
Replacements: 16 Benjamin Noirot, 17 Denis Avril, 18 David Couzinet, 19 Gonzalo Padro, 20 Julien Dupuy, 21 Julien Peyrelongue, 22 Benjamin Dambielle,
Referee: Tim Hayes