Natural killer T (NKT) cell adjuvant α-GalCer potentiates cytokine production in pigs.
α-GalCer adjuvant increased the virus specific IgA response in the pig respiratory tract.
α-GalCer adjuvant reduced the SwIV lung viral load in killed SwIV vaccinated pigs.
NKT cell adjuvant has the potential to augment protective immunity in pigs against flu.