Reliable access to clean water is a fundamental welfare requirement for feedlot cattle, with water restriction or contamination causing significant suffering and production losses.
Water access welfare in feedlots is straightforward in principle but requires systematic management attention to maintain in practice. Cattle that cannot access clean water at will experience thirst - a primary welfare-significant state - and reduce feed intake with consequent growth and health impacts. Trough contamination from algal growth, biofilm, and fecal contamination reduces palatability even when water is physically accessible. Trough space allocation inadequate for group size creates subordination stress as lower-ranked animals are displaced during drinking. These are manageable welfare problems with clear solutions that require infrastructure investment and management commitment.