• Breeding and management programs for beef cattle fell apart.

    肉牛饲养管理计划崩溃了

    youdao

  • Cattle could also act as a potential breeding ground for H5N1.

    牛类也是H5N1潜在的温床

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  • Cattle could also act as a potential breeding ground for H5N1.

    牛类也是H5N1潜在的温床

    youdao

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