Feral buffalo and unmanaged cattle in northern Australia will be tagged and monitored from space as part of the world's largest satellite herd-tracking program.

Comment: In the wake of the recent suspension of four Australian abattoirs by China, Queensland beef producer Josie Angus has called on industry leaders and governments to do more to protect agriculture from trade barriers.

A FITNESS tracker for cattle trialed near Townsville will give graziers an easier way to keep track of their herd.