The lying time of cows kept at pasture compared to cows housed nightly on differing free stall bed surfaces of deep litter sand, modified sand, water beds or foam mattresses
Article (Research Summary): NZARN Quarterly Meeting, 26 July 2013 By JK Margerison (Dairy Systems), M Hedley (Fertilizer and Lime Research Centre, Institute of Agriculture and Environment), J Lau (Dairy Systems), J Hanley (Fertilizer and Lime Research Centre, Institute of Agriculture and Environment), D Horne (Fertilizer and Lime Research Centre, Institute of Agriculture and Environment), N Powell (School of Engineering and Technology, Massey University),