Associations among behavioral and acute physiologic responses to lipopolysaccharide-induced clinical mastitis in lactating dairy cows.

Objective: To examine behavioral and physiologic effects of lipopolysaccharide (LPS)-induced mastitis in lactating dairy cows.

Animals: 20 Holstein cows.

Procedures: Cows were assigned to 5 blocks (4 cows/block) on the basis of parity and number of days in lactation.