Why is colostrum so important? Colostrum is important for the passive transfer of immunity to newborn animals. It’s critical that newborns receive high quality colostrum in the first 12-24 hours after birth to maximise the absorption of immunoglobulins (antibodies) directly into their bloodstream. Immunoglobulin Gs (IgGs) comprise the largest fraction of antibodies in colostrum. IgG … Continue reading Colostrum powder for ruminants