Epizootiological investigation of an outbreak of pullorum disease in an integrated broiler operation.

@article{Johnson1992EpizootiologicalIO,
  title={Epizootiological investigation of an outbreak of pullorum disease in an integrated broiler operation.},
  author={David Copeland Johnson and Muriel David and Samuel Goldsmith},
  journal={Avian diseases},
  year={1992},
  volume={36 3},
  pages={770-5}
}
An integrated broiler company experienced a major outbreak of pullorum disease during 1990. The outbreak resulted in the distribution of Salmonella pullorum-infected birds to more than 150 roaster flocks in five states. Twenty-two parent (multiplier) breeder flocks became infected. An epizootiological investigation uncovered a grandparent male line breeder flock as the index flock supplying males to the affected parent flocks. Transmission apparently occurred vertically through the egg and… CONTINUE READING