Lying time is one of the most important welfare indicators for dairy cows — cows are highly motivated to lie down, and insufficient lying time causes significant harm.
Lying time is a deceptively simple but highly informative welfare indicator for dairy cattle. Cows have a strong biological drive to lie down for extended periods — studies show they prioritize lying time over food access when both are constrained, indicating how motivated they are for this behavior. When stall design, overcrowding, or lameness reduces lying opportunities, cows experience measurable physiological stress within hours. Chronic lying time restriction contributes to lameness, metabolic disease, and reproductive problems — creating a vicious cycle where welfare deterioration compounds itself. Monitoring lying time using electronic logger technology allows farmers and vets to identify herd-level welfare problems early and intervene before clinical disease develops. Housing systems that provide adequate, comfortable stall space are fundamental to dairy cow welfare.