| Summary |
Totally 76 cases of gese and ducks were collected from 21 wateifowl farms, Among 54 cases of ducks, 49 were obtained from? farms and 5 from duck aItth, Twenty-two cases of geese came from S farms. Result of the epidemiology, pathology and mircobiology revealed:
1. Duck viral hepatitis and infetious serositis were the evalent diseases in ducklings ulumarY younger than 2 eks of age.
2. Axnyloidosis was dorninaed in breeding and egg- laying ducks, and followed by salpingitis. Among the gcxDse diseases, gcxse viral enleritis was predominant in the geese younger than 2 weks of age, and followed by infectious serc6itis (IS). Some cases of IS were complicated with colibaciflcGis, Result of this investigation were similar to those of previous study in 2(02,
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| Keyword |
MOs, genetically inorlified organisms, ABSL-3, animal biosafety level 3, animal house.
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