Provolo G, Riva E. ONE YEAR STUDY OF LYING AND STANDING BEHAVIOUR OF DAIRY COWS IN A FRESTALL BARN IN ITALY. J Agric Eng [Internet]. 2009 Jun. 30 [cited 2024 Apr. 27];40(2):27-34. Available from: https://www.agroengineering.org/jae/article/view/jae.2009.2.27