[On the content of Ig and IgM in parainfluenzae 3 virus immunized cow blood and in colostrum and in their calves blood. Eventual connections with the rate of antibodies which forbid blood's agglutination]

antibodies anticorpi anticorps anticuerpos antigen antibody reactions blood calostro calves colostro colostrum cows immunoglobulina immunoglobuline immunoglobulins influenzavirus inmunoglobulina sang sangre sangue ternero vaca vacche vache veau vitelli