The Ventura County Sheriff’s Department says 16 men were arrested and cockfighting paraphernalia, including blades, were seized during the Saturday raid in an unincorporated area near Oxnard. A tip from an anonymous caller led to the bust.Investigators say about 1,000 roosters had to be euthanized because of their aggressive nature.The Ventura County Star says 43-year-old Michael Lim of Los Angeles and 29-year-old Luis Manzana of Oxnard were booked for investigation of felony animal cruelty. The other 14 men were booked for misdemeanors for being spectators at a cockfight.