REW is short for Ruby Eyed White. You may hear breeders call them REW (Roo) for a nickname. Example That's a nice Roo you've got there. They are rabbits with the Albino gene and hide their true color. The Albino Gene isn't so much a color as it is a color hiding gene.
Platelets. You can donate platelets once in a seven day period and up to 24 times a year. You must wait at least 7 days after donating platelets before donating whole blood. After an automated double red cell collection, you must wait 112 days before donating again.
Details. Last Update On: 2013-01-28. 1  A pre-transfusion platelet count should be obtained within 24 hours of ordering a platelet transfusion. 2  A post-transfusion platelet count should be done the morning following a platelet transfusion to document the platelet count increment.