中国某大型猪场非洲猪瘟爆发和原因分析

• The only “pig” contact this farm has is by bringing in gilts. In the gilt herd and in the gilt house there has been no positive animal

• 这个猪场唯一有猪接触猪的机会是引进后备母猪，在后备母猪群和猪舍内均未检出阳性。

• The outbreak was in a building in the center of the farm. We consider that this was not made by rats and mice or insects. It was another contact

• 最先爆发的猪舍在猪场的中心，我们想这不是老鼠、昆虫带进来的，是其它接触。

• The contamination time of ASF fits very well into the scenario that ASF has made in the farm, beginning with the sow transport, ending in the farrowing house.

•  ASF的发生时间非常符合ASF在农场发生的场景，从母猪运输开始到分娩结束。

•  That means, the chain of rules was broken several times: the truck was not cleaned and disinfected, the control was not okay, the disinfection on the farm was made with the wrong disinfectant, the wrong dosage and with not sufficient application time, the employee has not reentered the farm by taking a shower and changing clothes, the boot disinfection in the building has not worked because of too much dirt or wrong disinfectant, or..

• 这意味着规则的链条数次被打破：卡车没有被清洗和消毒，车辆控制做的不好，猪场用了错误的消毒剂且剂量和停留时间不足，员工重新进入猪舍没有充分淋浴和更衣，靴子消毒也不起作用，因为太脏且消毒剂不对，等等。

• All disinfection strategies have not worked, Disinfection was seen as costs and not as protection. So non proved disinfectants has been used in wrong dosage and in wrong applications

•  所有的消毒策略没有起作用，消毒被认为是成本而不是防护，未经证实的消毒剂使用剂量和方法均错误。

•  The proved methods and products to disinfect in the right way would have cost 50.000 € per year. By using the wrong disinfection procedures and the non-proved products in the wrong dosage, 20.000 €, = 1.650 € per month, have been saved.

• 证明有效的消毒剂和方式，每年花费50.000 €，错误的消毒剂不足的剂量下每年花费20.000 €，每月节省1.650 €。

• The outbreak itself was limited to a part of the farm but the total costs are around 1 Million Dollars.

• 仅限猪场疾病爆发的部分的损失大约100万美元。

•  Our separation of the farm in subunits and in individual buildings has worked well and was respected by the employees.

• 我们把猪场分成小单元和独立的栋效果很好，员工反映良好。

• The herd Veterinarian has reacted quick and appropriate.

• 猪群兽医反映迅速而正确。

• In House PCR tests have shown clear advantages in the reaction time.

• 内部PCR检测在反应时间上有明显优势。

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