In the last observation period (+49 to +72 h
relative to BFP), effects of room temperature (F2,51 =
1.6, P = 0.21) and fl oor duration (F1,51 = 1.7, P = 0.20)
were not signifi cant. No covariates (e.g., the number of
piglets) infl uenced the total time of sows lying laterally.