Oink, moo and brrr: Polar vortex strikes U.S. farm belt

Farmers from North Dakota to Iowa buckled down for some of the coldest weather in a generation on Wednesday, throwing extra rations to pigs or building igloos for chickens before hunkering down for a day of sub-zero temperatures and bone-chilling winds.

from Reuters: U.S. https://reut.rs/2SeelvN