Preliminary tests indicate a commercial chicken farm in Brazil's state of Tocantins is free from bird flu, the state's farm agency said on Wednesday, a reassuring result following confirmation of Brazil's first such outbreak.

Brazil initiated a 28-day observation period to confirm its chicken farms are bird flu-free after a recent outbreak in Montenegro was reportedly disinfected. Authorities remain vigilant due to the virus's two-week incubation period,

The Department of Agriculture (DA) has officially banned the importation of poultry products from Brazil amid the bird flu outbreak in the South American country. On May