Farmers could get as little as $5.40 a kilogram next season.
Many people have reported their butter turning white.
The Joker actor used his acceptance speech to take a swipe at the sector.
"It feels like the natural thing for us to do."
"All this has taken place without any consultation with me."
It aims to boost farm ownership.
"As soon as Peaches arrived, Bunter was a different cow."
"We're not mad, we're just disappointed."
"It took a while to cow-ordinate the right design."