Australia’s Largest Pastoral Company says it has lost thousands of cattle in unprecedented flooding, including almost 30,000 head on one its Gulf of Carpentaria stations alone.

In a statement to the Australia Stock Exchange, the Australian Agricultural Company said its 2,500 square kilometre Woondoola station had experienced its highest flooding levels ever; forcing the evacuation of station staff from the property as water rose to the eaves of buildings.

In the statement to the stock exchange AACo said that its losses were significant and that the overall impact on the company's financial earnings was expected to be material, and management would work through an evaluation of the situation.