Brazil's Santa Catarina state said it has ruled out an outbreak of bird flu in a commercial chicken farm while the federal government was keeping it on a list of suspected cases pending further tests.

Brazil, one of the world’s largest producers and exporters of poultry, has confirmed the country’s first bird flu outbreak on a commercial farm.

A person wearing a hazmat suit stands next to burning egg cartons and other items in a hole in the ground at a poultry farm after Brazil confirmed its first outbreak of bird flu on Friday, triggering protocols for a country-wide trade ban from top buyer China and state-wide restrictions for other major consumers,