Bird Flu > Bird Flu News > Bird flu prompts Tyson to kill flock (The Oklahoman)

Bird flu prompts Tyson to kill flock (The Oklahoman)
LITTLE ROCK, Ark. — Tyson Foods Inc. has begun killing and burying the carcasses of 15,000 hens from a flock that tested positive for exposure to a strain of the bird flu in northwest Arkansas, state officials said Tuesday. Tyson said preliminary tests indicated the presence of antibodies for H7N3, a less virulent strain of the virus. Routine blood tests conducted Friday found the possible ...