Ventilation may or may not be at fault if you have the problem of wet livestock buildings in midwinter. The problem can result from inadequate insulation, not enough heat, insufficient ventilation or any combination of these.
Hazen, T. E.
"What About Wet Livestock Buildings?,"
Iowa Farm Science: Vol. 16
, Article 7.
Available at: https://lib.dr.iastate.edu/farmscience/vol16/iss8/7