12-2018 California Newcastle Disease update: Since May 2018, USDA has confirmed 380 cases of virulent Newcastle Disease (vND) in backyard birds in southern California.  Almost all are in small flock (“backyard”) show chickens, but a few are in small flocks of turkeys, and “mixed bird” flocks.  To keep this disease from spreading, and to keep read more December 2018 California Newcastle Disease Update