DEAUVILLE, FRANCE -- "Deep German family" was an oft-uttered phrase during Sunday's session of the Arqana Vente d'Elevage, most notably in the case of top lot Qualixia (lot 464), who is set to continue her racing career with Joseph O'Brien after being bought by Blandford Bloodstock's Stuart Boman for €320,000. Last seen making a black-type breakthrough in the Listed Grand Prix de Fontainebleau, Qualixia was offered by trainer Philippe Decouz as the winner of four of her 11 career starts. Bred by Gestut Fahrhof, the four-year-old daughter of Blue Point...