article_snippet.sent: There have been no further detections in Perth, Adelaide or Melbourne since the new measures were rolled out.
article_snippet.sent: This is a good result and This shows the flexibility of our risk-based bio security system—when risk increases so does our level of intervention,” Minister Joyce said.
highlights_snippet.sent: Authorities have been forced to stepped up bio security measures .
  
highlights_snippet.sent: February this year at Brisbane, Adelaide and Perth airports .
  
highlights_snippet.sent: Barnaby Joyce said there have been no more detected after biosecurity was amped up .