April 24 -- A highly pathogenic avian influenza has been found in at least 60 commercial poultry flocks, U.S. Department of Agriculture data show. Director of the Lab for Avian Medicine at Penn Vet Sherrill Davison speaks on “Market Makers.” --Subscribe to Bloomberg on YouTube: www.youtube.com/Bloomberg Bloomberg Television offers extensive coverage and analysis of international business news and stories of global importance. It is available in more than 310 million households worldwide and reaches the most affluent and influential viewers in terms of household income, asset value and education levels. With production hubs in London, New York and Hong Kong, the network provides 24-hour continuous coverage of the people, companies and ideas that move the markets.