Salmonella Dublin infection in young dairy calves: transmission parameters estimated from field data and an SIR-model.

  title={Salmonella Dublin infection in young dairy calves: transmission parameters estimated from field data and an SIR-model.},
  author={Liza Rosenbaum Nielsen and Bart H W van den Borne and Gerdien van Schaik},
  journal={Preventive veterinary medicine},
  volume={79 1},
In this study we used field data collected from October 2001 to January 2002 to estimate number of days of faecal excretion of Salmonella Dublin bacteria and time to seroconversion in infected calves below the age of 180 days. Based on these estimates all calves in four endemically infected dairy herds were grouped into the following infection states: susceptible (S), infectious (I) and resistant/recovered (R). Resistant calves had either acquired maternal antibodies through colostrum or they… CONTINUE READING
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