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.
Whole blood donors can donate every 56 days. Red blood cells are the oxygen carrying cells. They can take two weeks or longer to fully return to normal. You can donate platelets (apheresis donation) every two weeks â up to 24 times in 12 months.hen donating platelets, the whole process takes approximately two hours. The blood donation itself usually takes 5-10 minutes for whole blood, 25 minutes for double red cell donation and 60-90 minutes for platelet donation.