Suggested is a process for obtaining immunoglobulins, wherein(a) colostral milk from days 0 to 7 is subjected to thermal treatment, skimming the cream,(b) the skimmed milk such obtained is subjected to sterile microfiltration thus producing a first retentate R1 which contains the casein, and a first permeate P1,(c) the first permeate P1 is subjected to ultrafiltration thus producing a second permeate P2 which contains lactose and minerals, and a second retentate R2, in which the immunoglobulins are concentrated.