Total WBC counts prior to and following matched littermate transplantation. The total peripheral WBC count (y-axis) was measured at the designated time intervals (x-axis). The time of histocompatible littermate bone marrow transplantation was at day 0. Light dashed line and filled circles represent dog D102 (Scupper), solid line and filled squares represent dog D106 (Diglett), and dark dashed line and asterisks represent dog D114 (Herb).