Fig. 1From: Gene expression profiling in pbMEC – in search of molecular biomarkers to predict immunoglobulin production in bovine milkDetermination of the specific immunoglobulin A (IgA) content in milk. The animals (n = 9) were classified according to their immune response to the C. diff. Vaccine into the low (n = 4) and high (n = 5) responder group. The specific IgA content in milk was measured using a sandwich ELISA, the threshold to distinguish between low and high responder animals was set to 8 μg/ml specific IgABack to article page