LymphocytosisEnzootic Bovine LeukosisLeukemia Virus, BovineLeukemia, Lymphocytic, Chronic, B-CellLeukocytosisImmunophenotypingLymphocyte CountLymphoproliferative DisordersB-LymphocytesLeukocyte CountInfectious MononucleosisTrypanosomiasis, BovineSplenomegalyPreleukemiaLymphocytesLymphocyte SubsetsHepatomegalyAgranulocytosisParotid DiseasesCattle DiseasesAntigens, CD5Bordetella pertussisT-LymphocytesLeukemia, Large Granular LymphocyticClone CellsFlow CytometryBone Marrow ExaminationAlveolitis, Extrinsic AllergicLeukemia, T-CellRed-Cell Aplasia, PureGene Rearrangement, B-LymphocyteImmunoglobulin Heavy Chains