每月評估所有動物血液中的PRRSV存在(RT-PCR)和體液反應(CIVTEST® SUIS PRRS E/S和A/S)。在接種(3週齡)和屠宰(6個月大)之間,評估了與PRRS相符的臨床症狀、抗生素的使用和平均日增重。此外,在死亡動物中檢查了組織中PRRSV的存在(RT-PCR)。統計分析使用StatsDirect v2.7.7進行。
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