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.
General Guidelines. To donate blood or platelets, you must be in good general health, weigh at least 110 pounds, and be at least 16 years old. Parental consent is required for blood donation by 16 year olds; 16 year olds are NOT eligible to donate platelets. No parental consent is required for those who are at least 17 years old.