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A review of strategies to impact swine feed biosecurity
Animal Health Research Reviews ( IF 4.3 ) Pub Date : 2020-09-07 , DOI: 10.1017/s146625231900015x
Savannah C Stewart 1 , Steve S Dritz 2 , Jason C Woodworth 1 , Chad Paulk 3 , Cassandra K Jones 1
Affiliation  

Global pork production has largely adopted on-farm biosecurity to minimize vectors of disease transmission and protect swine health. Feed and ingredients were not originally thought to be substantial vectors, but recent incidents have demonstrated their ability to harbor disease. The objective of this paper is to review the potential role of swine feed as a disease vector and describe biosecurity measures that have been evaluated as a way of maintaining swine health. Recent research has demonstrated that viruses such as porcine epidemic diarrhea virus and African Swine Fever Virus can survive conditions of transboundary shipment in soybean meal, lysine, and complete feed, and contaminated feed can cause animal illness. Recent research has focused on potential methods of preventing feed-based pathogens from infecting pigs, including prevention of entry to the feed system, mitigation by thermal processing, or decontamination by chemical additives. Strategies have been designed to understand the spread of pathogens throughout the feed manufacturing environment, including potential batch-to-batch carryover, thus reducing transmission risk. In summary, the focus on feed biosecurity in recent years is warranted, but additional research is needed to further understand the risk and identify cost-effective approaches to maintain feed biosecurity as a way of protecting swine health.

中文翻译:

影响猪饲料生物安全的策略回顾

全球猪肉生产在很大程度上采用了农场生物安全措施,以尽量减少疾病传播媒介并保护猪的健康。饲料和配料最初并不被认为是重要的载体,但最近的事件表明它们具有携带疾病的能力。本文的目的是回顾猪饲料作为疾病媒介的潜在作用,并描述已被评估为维持猪健康的生物安全措施。最近的研究表明,猪流行性腹泻病毒和非洲猪瘟病毒等病毒可以在豆粕、赖氨酸和全价饲料中跨界运输的条件下存活,受污染的饲料会引起动物疾病。最近的研究集中在预防以饲料为基础的病原体感染猪的潜在方法,包括防止进入饲料系统、通过热处理缓解或通过化学添加剂进行净化。策略旨在了解病原体在整个饲料生产环境中的传播,包括潜在的批次间残留,从而降低传播风险。总之,近年来对饲料生物安全的关注是有道理的,但需要进一步的研究来进一步了解风险并确定维持饲料生物安全的成本效益方法,以此作为保护猪健康的一种方式。
更新日期:2020-09-07
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