Another Trump trade winner..

It's really a moot point.
We Aussies have no interest in meat from any other country.
We have a wide range of disease free choice here.

97% of our meat is grass grown at liberty with no hormones or antibiotics, and just the necessary vaccinations and anti-tick treatments, which cease 30 days before slaughter. None of it is grown in barns or intensive factories.
(Except for our chooks, but that's another issue.)

The remaining 3% is divided between wild and "wagyu".

The wild animals (buffalo, cattle, goats, rabbits, horses, camels, pigs and deer) are feral stock who have escaped, multiplied and cause damage in national parks or semi-desert areas. They have typically very strong gamey flavour, but are tough.

The "wagyu" is nothing like the true wagyu raised in Japan, but consumers treat it as a cheaper version.
After living most of their life on grass, the farmer brings the steers into yards and gradually shifts their diet from dried grass to grain. Once transitioned, he overfeeds them until they develop massive amounts of marbled fat throughout their muscles.
The lack of exercise and obesity makes the meat tender, succulent and sweet.
Most Aussies avoid this meat because it's unhealthy and cruel.
However, the farmer gets a huge price for it in Japan.

If Trump travelled more, he'd realise there's no point trying to sell coal to a coal miner.