Relating Statistics to Blood Antibody and Yolk Antibody of Layers after Injecting Infectious Bursal Disease Recombinant Subunit Double Emulsion Vaccine

 
  • 接种传染性法氏囊病基因工程重组亚单位油乳剂疫苗的产蛋鸡血清抗体与蛋黄抗体的相关性分析
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