Brazilian authorities hope to determine by Tuesday whether a confirmed outbreak of highly pathogenic avian influenza among wild birds in a zoo in the southern state of Rio Grande do Sul is connected with the country's first bird flu case on a commercial poultry farm in the same state,

Brazil's poultry industry is reeling from the country's first bird flu outbreak on a commercial farm, but officials hope China and other major consumers will soon loosen countrywide bans on importing Brazil's chicken.