It is a bit brisk outside today. Current windchill in Wray is -3*F with a forecast for -15* windchill tonight.
Does your livesotck have some protection?
Are you double checking water supplies to be certain that they are not freezing over?
Are you providing plenty of feed to cover the extra maintenance requirements brought on by the cold weather?
Have you double checked the ventilation fans in your swine barn?
If calving or lambing already, have you made sure that those animals nearest to partuition are some where protected with good beddening?