Coronavirus (and other viruses) causes severe disease in neonatal piglets. Vaccination of pregnant sows in order to confer “lactogenic immunity” i.e. antibodies in the milk is, as far as I’m aware, the main use of coronavirus vaccines in swine.
(I was a veterinary surgeon but I’ve not treated pigs in over a decade.)
Some info. on coronavirus vaccines in pigs:
Vaccines for porcine epidemic diarrhea virus and other swine coronaviruses 2016
Coronavirus (and other viruses) causes severe disease in neonatal piglets. Vaccination of pregnant sows in order to confer “lactogenic immunity” i.e. antibodies in the milk is, as far as I’m aware, the main use of coronavirus vaccines in swine.
(I was a veterinary surgeon but I’ve not treated pigs in over a decade.)
Research 2019 Recombinant Chimeric Transmissible Gastroenteritis Virus (TGEV)—Porcine Epidemic Diarrhea Virus (PEDV) Virus Provides Protection against Virulent PEDV