Correlation between Maternal Serum Antibodies and Protection against Bovine Rotavirus Diarrhea in Calves.

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概要

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• The correlation between maternal serum antibodies in beef calves at 2 days old and protection against diarrhea induced by natural bovine rotavirus (BRV) infection was examined. Virus neutralizing (VN) antibody titers against BRV in sera from calves that developed diarrhea by BRV infection within 14 days of age (BRV-diarrheal calves) were significantly lower than those from calves that had no diarrhea. In the BRV-diarrheal calves, a positive correlation was found between the VN antibody titers and age of the onset of diarrhea. There were negative correlations between the VN antibody titers and duration of the diarrhea, VN antibody titers and cumulative diarrhea scores, and the VN antibody titers and duration of virus shedding. These results suggest that the VN antibody titers against BRV in newborn calf serum could be an indicator of protection against BRV-induced diarrhea.

• 公益社団法人 日本獣医学会の論文

著者

• Tsunemitsu Hiroshi

  Shichinohe Research Unit National Institute Of Animal Health

• TSUNEMITSU Hiroshi

  Shichinohe Research Unit, National Institute of Animal Health, Shichinohe, Aomori 039-2586, Japan

• KOHARA Junko

  Shintoku Animal Husbandry Experiment Station, Shintoku, Hokkaido 081-0038, Japan

関連論文

• Field Study of Inactivated Equine Rotavirus Vaccine
• Correlation between Maternal Serum Antibodies and Protection against Bovine Rotavirus Diarrhea in Calves.

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