The scores of clinical signs of the pigs after challenge and lung lesions were recorded at 21 dpc.
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Lung lesions were also recorded when pigs died during the 21 days post challenge a.aWithin each column, values followed by different letters (A, B, C and D) were significantly different (PbClinical signs of each pig were evaluated daily after challenge. The results were expressed as mean±standard error.cAverage lung scores were recorded. The results were expressed as mean±standard error.
创建时间：
2015-12-02
