Transmissible gastroenteritis in pigs : use of an inactivated oil emulsion vaccine for boosting the immunity in previously infected sows J. M. AYNAUD, P. VANNIER, L. MARTAIN and R. CARIOLETAnn. Zootech., 33 3 (1984) 405-406DOI: https://doi.org/10.1051/animres:19840333