SPRINGFIELD, Ill. (AP) - Farm animals can withstand frigid outside temperatures if they're cared for properly.

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Jim Fraley is a McLean County beef farmer. He says livestock like cattle and sheep have stomachs that ferment food. That allows them to get nutrients from fibrous material like hay.

Fraley says the process "creates a lot of heat." So farmers make sure they have plenty of food and water.

He says cattle also have thick hides and grow winter hair to stave off the cold. That means they don't need to be inside if they have a wind break.

Fraley says modern-day pigs are leaner and have less fat so some farmers keep them in heated buildings.

But they also can bear the cold by burrowing in straw and piling on one another.

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