Yuanshuo Gao

I. INTRODUCTIONTo successfully develop a challenge model to simulate actual infection as seen in production practices, a seeder challenge model was proposed and previously shown to be an effective method to infect poultry (Cox et al., 1996, 2020). However, applying it in this way to young layers is novel. This pilot study was developed with the objective of determining the success of this challeng ...

Salmonella serotypes vary throughout the livestock industry. Historically Salmonella Enteritidis is not considered to be prevalent in Australian poultry flocks. As recently as 2018 a novel S. Enteritidis emerged in the industry (FSANZ, 2019). Although, there are no specific vaccines available in Australia against this serotype in poultry, the use of live attenuated Salmonella vaccines that have th ...