Jiēzhòng yìmiáo shì yùfáng yābìngdúxìnggānyán de zhǔyào shǒuduàn.
Vaccination is the main means of preventing duck viral hepatitis.
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usage
Veterinary term for a highly contagious, often fatal hepatitis of ducklings caused by duck hepatitis A virus (DHAV). An economically important disease for duck-farming regions.
