GRAND PRAIRIE, Texas (CBSDFW.COM) – Hundreds of animals were rescued from a major cockfighting operation in Grand Prairie earlier this week, police said.

Police said they executed a search warrant on Tuesday, April 27, in the 1400 block of Corral Road and found about 300 adult roosters, hens and chicks that were believed to have been bred to fight.

READ MORE: Freezing Temps Force Some COVID Testing Sites To Close 

The animals were seized with the help of Grand Prairie Animal Services and the non-profit Animal Investigation and Rescue.

READ MORE: Dallas House Fire Leaves 1 Dead From Injuries

Police said they seized gaffs and knives that are “commonly attached to roosters during cockfights.”

“Detectives also discovered cash, numerous medications, supplements, syringes, and other implements used to alter roosters into fighting birds,” police said in a news release.

MORE NEWS: Supreme Court Refuses To Speed Up Challenge Against Texas Abortion Ban

Police said they believe they disrupted an estimated $500,000 operation. Staff