Postpartum excretion of internal teat sealant after selective dry cow treatment of dairy cows

To comply with antibiotic restriction policies in the European Union, internal teat sealants (TS) are increas- ingly used at drying off (DO) in selective dry cow treat- ment protocols to maintain udder health. Post-calving TS residue attachment to milking equipment and associated cleaning difficulties is a reason for some farmers to stay away from blanket TS use. Our objective was therefore to improve insight in TS excretion visibility and to com- pare quantity, pattern, and presence versus...