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Mean concentrations of rhLf (⧫) and bLf (⋄) in milk from challenged udder quarters of transgenic cows and of bLf (▪) in milk from control cows after an intramammary infusion of 1,700 CFU of E. coli into a single udder quarter during the experiment. Data are presented as means ± SEM for six transgenic and five control cows.
