A beef that undergoes this transition is called grain-finished beef. In some places like Australia, cattle can be fed grains for a period, such as up to 89 days, yet still be labeled as "grass-fed." ...

With no nutritional difference between grass and grain finished beef ... “That is probably better described as grass fed and finished because we finish these animals to an endpoint,” says ...

While grass-fed often designates meat from cattle that ate some grass while being raised but might have also eaten feedlot ...

You're likely to find grass-fed beef featured prominently in a green package on supermarket shelves but does that make it superior to grain-fed beef?