"The growth is attributed to the breed of chickens and artificial feeds, not because of growth hormones, which are banned in China," he said. "Some breeds of white-feathered chickens in the United States can weigh 2 kg after 42 days."
White-feathered chickens, which are mostly imported from the US, account for about 50 percent of the chicken market in China, with the rest made up of domestic breeds, he said.
Suhai Group on Saturday also released an online statement saying it had met standards on feed processing, chicken raising and slaughtering during random checks by authorities this year.
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