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von Gast, Richard K. in Avian diseases Vol. 44, No. 3 (2000), p. 706-710
... incidence of yolk contamination (approximately 2.5% overall) was significantly greater than the incidence of...
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    von Gast, Richard K. in Avian diseases Vol. 37, No. 4 (1993), p. 1085-1091
    ...-challenge to determine the incidence of intestinal colonization and the numbers of S. enteritidis shed into...
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      von Gast, Richard K. in Avian diseases Vol. 47, No. 3 (2003), p. 633-639
      ... infected hens. The incidence of egg contamination was determined in groups of hens inoculated orally with...
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        von Gast, Richard K. in Avian diseases Vol. 39, No. 3 (1995), p. 567-574
        ... white Plymouth Rock chicks. The mean incidence of severe illness or death following oral inoculation...
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          von Gast, Richard K. in Avian diseases Vol. 45, No. 2 (2001), p. 425-431
          ..., at an overall incidence of 5.2%, between 3 and 23 days postinoculation. As determined by enzyme...
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            von Gast, Richard K. in Avian diseases Vol. 42, No. 2 (1998), p. 315-320
            ... and thereby diminish the incidence of production of contaminated eggs. /// Aunque se sabe que el...
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              von Gast, Richard K. in Avian diseases Vol. 51, No. 4 (2007), p. 817-828
              ... been associated with a lower incidence of Salmonella Enteritidis infections in both egg-laying flocks...
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                von Gast, Richard K. in Avian diseases Vol. 46, No. 3 (2002), p. 629-635
                ... to induce higher incidences of egg contamination. The present study compared the frequency, level...
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