Blood Volume in Relation to Body Weight of the Male Rat Using Radio-Iodinated Serum Albumin.

Abstract
Summary Total blood volume was determined in 122 male rats using RISA. The values were related to body weight and a least squares regression line was plotted. This regression line enables one to predict total blood volume for any given body weight. The method utilizing RISA and whole blood counting has the advantage of simplicity with minimal loss of accuracy.