Can nanoparticles help poultry’s fight against Salmonella?

A biodegradable nanoparticle vaccine designed to be given orally could lead to improved Salmonella control in poultry. While poultry vaccines for Salmonella do exist, this is the first oral-killed vaccine designed to be given in ovo or by spray against the pathogen. Live-attenuated vaccines elicit mucosal immunity, but bacterial strains can regain virulence. On the other hand, killed vaccines cannot regain virulence, however multiple doses are typically required. In addition, both types have a withdrawal period. Read more