[期刊]
  • 《Berliner und Munchener Tierarztliche Wochenschrift》 2013年126卷11/12期

摘要 : Success in controlling classical swine fever (CSF) in regions with high proportions of pigs kept in small scale and low-biosecurity production systems, often referred to as backyard production, tends to be hampered by the lack of ... 展开

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