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Archives of Virology

, Volume 142, Issue 4, pp 843–851 | Cite as

Field evaluation of chicken egg yolk immunoglobulins specific for bovine rotavirus in neonatal calves

  • M. Kuroki
  • M. Ohta
  • Y. Ikemori
  • F. C. IcatloJr.
  • C. Kobayashi
  • H. Yokoyama
  • Y. Kodama
Brief Report

Summary

The oral efficacy of chicken egg yolk immunoglobulins (yIg) specific for bovine rotavirus (BRV) serotypes G6 and G10 in protecting neonatal calves was examined in a herd of cattle under field conditions. In one of the three trials, yIg-treated calves tested under high relative humidity (RH) showed a significantly increased mean body weight (P<0.05) and a decrease in number of calves shedding high titer of BRV (G6) in stool compared to control calves (P<0.01), suggesting that our yIg product was effective in a field condition with an epidemic outbreak of BRV diarrhea.

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Copyright information

© Springer-Verlag 1997

Authors and Affiliations

  • M. Kuroki
    • 1
  • M. Ohta
    • 1
  • Y. Ikemori
    • 1
  • F. C. IcatloJr.
    • 1
  • C. Kobayashi
    • 1
  • H. Yokoyama
    • 1
  • Y. Kodama
    • 1
  1. 1.Immunology Research Institute in Gifu, Sano, Gifu-City, JapanJapan

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