The concentration of serum IgG, IgM and IgA and the titre of hemagglutination inhibition antibody for Newcastle disease ( HI) in ataxic chicks were significantly lower than that of the control group.
5脑软化雏鸡血清中IgG、IgM、IgA含量及新城疫HI抗体效价极显著低于C组。
Newcastle is a three-hour train journey from London.
纽卡斯尔距离伦敦有3个小时的火车车程.
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