Table 2: The blood levels of IgG in the calves measured by ELISA [Mean± SE (mg/dl)] and SRID (mg/dl).

ELISA [Mean± SE (mg/dl)] in 16 calves				SRID (mg/dl) in 4 calves
Before intake	24 h	48 h	8 days of age	Before intake	24 h	48 h	8 days of age
451±17	493 ±16	508±26	503±24	180	1138	1017	897