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Neighbor-joining trees for the lktC, lktA, lktB, and lktD genes of M. haemolytica, M. glucosida, and P. trehalosi constructed with the Jukes-Cantor correction for synonymous changes. ETs and serotypes are given for M. haemolytica strains only. M.g., M. glucosida; P.t., P. trehalosi.
