METHOD FOR IMMUNIZING NURSING PIGLETS AGAINST TRANSMISSIBLE GASTROENTERITIS -TGE- VIRUS

摘要

1466633 Immunizing piglets SYNTEX (USA) INC 15 April 1975 [18 Feb 1975] 15504/75 Heading A5B A method of immunizing piglets against transmissible gastroenteritis virus comprising administering a vaccine containing the virus to a pregnant sow (a) intramuscularly 63 to 21 days before farrowing and (b) intranasally 21 to 7 days before farrowing the two administrations being separated by 14 to 42 days and then allowing the sow to suckle nursing piglets.