Figure 8: Analysis of viscoelastic properties: frequency shift experiment: G’ - elastic modulus, G” - viscous modulus, F - frequency, 0 - control, A - 0.5% addition of colostrum before incubation, B - 1% colostrum addition before incubation, C - 0.5% colostrum addition after incubation, D - 1% colostrum addition after incubation.