The specific activity of the anti-IgY-agarose was determined by applying 2.7 mg IgY in 24 ml PBS (0.1 mg/ml) to 1.0 ml bed volume of agarose. Two ml aliquots were collected. The total amount of IgY that bound to the column was calculated. For this lot, 1.3 mg IgY bound per ml agarose.
