Fig. 1From: Effect of a single, oral administration of selenitetriglycerides, at two dose rates, on blood selenium status and haematological and biochemical parameters in Holstein-Friesian calvesSerum selenium concentration (ug/l) in supplemented and un-supplemented calves (mean + sem). **- P < 0.01: Representing the significance of change over time in selenium serum concentration in each studied group (Friedmans ANOVA). Different letters (A, B, C) represent the significant difference (P < 0.05) in concentration between groups at each sampling dateBack to article page