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国际航行船舶每六个月要进行一次鼠患检查,并根据检奄结果颁发一份“除鼠或免予除鼠”证书,船舶每到一个国家的港口必须向卫生检疫当局缴验这种证书。近年来,船舶鼠患严重,国内外对鼠类及其寄生虫引
An international voyage requires a rat test every six months and issues a “desextrap or ex-exempt” certificate based on the results of the duress, which must be submitted to the quarantine authorities by the port of entry . In recent years, the ship rodent serious domestic and foreign cited rodents and their parasites