Actually that's all they eat. Grass, hay and silage are plant matter that is meant for cattle to eat. Cattle are not omnivores nor carnivores, so they can't eat anything else except plants.
Cows eat plants only and not meat or bugs, but they aren't the only ones who eat plants. All the herbivores and omnivores eat plants.
plants that do not taste good
Cows don't eat animals. They are herbivores, which means they eat strictly plants, not animals.
Nobody. Cows don't eat donkeys. Cows are herbivores, meaning they only eat plants, not other animals.
No, cows only eat vegetation. Cows are herbivores.
They are called herbivores.
No. Cows are herbivores, not omnivores or carnivores, which means they eat plants like grass, not animals like tuna.
Same thing as other cows do. See related question below for more.
They get the fibre from the plants (i.e., grasses and legumes) that they eat.
Plants being grasses and forbs.
Many animals eat plants. Mammals (cows, deer, horses), fish, invertebrates (snails).
Some fish eat water plants. Manatees, or sea cows, also eat water plants. Humans also eat some sea plants.