Bayer Advanced Brush Killer Plus Concentrate should not be applied when there are animals present during the application and while wet. Once completely dry, it is safe for animals to enter the treated areas.
Bio Advanced Brush Killer Plus Concentrate is not labeled to be used in pastures/areas where animals would graze. It would not be safe to apply in these areas.
According to the manufacturer, after using the Bayer Advanced Brush Killer Plus Concentrate the re-entry is 8 weeks per grazer. Bayer Advance does NOT recommend applying their products in pasture areas.