河鸭

  • 网络river duck
河鸭河鸭
  1. 新、旧大陆长脖子河鸭,尾巴中间羽毛细长。

    Long-necked river duck of the Old and New Worlds having elongated central tail feathers .

  2. 目的:评价草河车对鸭乙型肝炎病毒(DHBV)感染雏鸭急性肝坏死的作用。

    Objective : To evaluate the effect of Paris polyphylla , Smith ( PPS ) on acute hepatic failure of ducklings infected duck hepatitis B virus ( DHBV ) .

  3. 同时对位于江苏省里下河地区的高邮鸭产蛋性状进行了研究。1.筛选出28对多态性较好的微卫星标记,检测了江淮流域8个家鸭品种的遗传多样性。

    Egg character of Gaoyou sheldrake was investigated at the same time . 1 . Twenty-eight microsatellite markers with medium or high polymorphisms were selected to detect genetic diversity and genetic structure .