O MAHA, Neb. — Vaccines could be a key means of suppressing bird flu and avoiding the slaughter of millions of chickens, which is blamed for egg prices averaging nearly $6 a dozen. But the move has been delayed in part because of concerns it could jeopardize chicken exports worth billions of dollars a year. The U.S. Department of Agriculture has announced plans to spend $100 million to study bird flu vaccines to fight the disease in concert with meat chicken, egg and turkey groups. That's part

Tag-uri: Agricultura