Effective biosecurity to protect North American studs and clients from emerging infectious disease

Reicks, Darwin

doi:10.1016/j.theriogenology.2019.05.041

Cited by 11 publications

(4 citation statements)

References 15 publications

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“…In addition, our results identified distance to the main road as associated with increased chances for PRRSV circulation. This has led concern by the swine industry (Reicks, 2019), since vehicle movement has demonstrated to have a significant impact on increasing the transmission of several other diseases, for example, African Swine Fever (ASF) (Mur, Martínez‐López, & Sánchez‐Vizcaíno, 2012), Classical Swine Fever (CSF) (Bronsvoort et al., 2008) and for Foot‐and‐Mouth Disease (Muroga et al., 2013). Our findings indicate that farms located at 0.5–0.7 km from major roads were more easily exposed to PRRSV; therefore, this distance could be used to make decisions about routes used for pig movement, the enhancement of on‐farm biosecurity of sites within this range of distances to major roads, and in future expansions of operations new buildings could be built beyond 0.7 km from the main road.…”

Section: Discussionmentioning

confidence: 99%

Section: Factors Promoting or Restricting Prrsv Dissemination Directionmentioning

confidence: 99%

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Porcine reproductive and respiratory syndrome virus dissemination across pig production systems in the United States

Jara

Rasmussen

Corzo

et al. 2020

Transbounding Emerging Dis

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Section: Discussionmentioning

confidence: 99%

Section: Factors Promoting or Restricting Prrsv Dissemination Directionmentioning

confidence: 99%

Porcine reproductive and respiratory syndrome virus dissemination across pig production systems in the United States

Jara

Rasmussen

Corzo

et al. 2020

Transbounding Emerging Dis

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“…Feed, ingredient, and feed mill biosecurity is essential for reducing infectious disease risks at all stages of swine production [ 76 , 77 ], and implementation of biosecurity procedures focused on feed can help address these risks. Breaches in feed biosecurity can result in virus contamination during the growing, harvesting, processing, or post-processing of crops intended for swine feed.…”

Section: Reducing Asfv Risk Through Feed Biosecuritymentioning

confidence: 99%

Risk and Mitigation of African Swine Fever Virus in Feed

Niederwerder

2021

Animals

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Since the 2013 introduction of porcine epidemic diarrhea virus into the United States (U.S.), feed and feed ingredients have been recognized as potential routes for the introduction and transmission of foreign animal diseases of swine. Feed ingredients for swine diets are commodities traded worldwide, and the U.S. imports thousands of metric tons of feed ingredients each year from countries with circulating foreign animal diseases. African swine fever (ASF) is the most significant foreign animal disease threat to U.S. swine production, and the recent introduction of ASF into historically negative countries has heightened the risk for further spread. Laboratory investigations have characterized the stability of the ASF virus (ASFV) in feed ingredients subjected to transoceanic shipment conditions, ASFV transmissibility through the natural consumption of plant-based feed, and the mitigation potential of certain feed additives to inactivate ASFV in feed. This review describes the current knowledge of feed as a risk for swine viruses and the opportunities for mitigating the risk to protect U.S. pork production and the global swine population from ASF and other foreign animal diseases.

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“…Semen also plays an important role in the PRRSV epidemic situation in China. 4,7,12 To increase our knowledge about the epidemic prevalence and molecular evolution of NA-PRRSV in pig breeding farms, we collected samples across 4 provinces in China from 2016 to 2018 and screened them by PCR testing with specific primers that could differentiate different groups of NA-PRRSVs. We sequenced complete open reading frame 5 (ORF5) nucleotide sequences and used representative samples for virus isolation on MARC-145 (cloned African green monkey kidney) cells or porcine alveolar macrophages (PAMs).…”

mentioning

confidence: 99%

Novel ORF5 deletion of NADC30-like porcine reproductive and respiratory syndrome viruses circulating in northern China from 2016 to 2018

Sun

Jiang

et al. 2020

J VET Diagn Invest

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North American porcine reproductive and respiratory syndrome virus (NA-PRRSV), especially NADC30-like PRRSV, has evolved and is prevalent in China. We collected 503 samples from pig breeding farms across 4 provinces in northern China from 2016 to 2018. The samples were screened by PCR testing with specific primers that could differentiate groups of NA-PRRSV; phylogenetic trees were constructed and analyzed. Overall, 175 of 503 (34.8%) samples were positive for NA-PRRSV. Dual (NADC30-like and highly pathogenic [HP]-PRRSV; NADC30-like and typical PRRSV; HP and typical PRRSV) and triple (NADC30-like, HP, and typical PRRSV) infections (92 of 175, 52.6%) were common in coinfections by NADC30-like and HP-PRRSV. Notably, 18 of 125 (14.4%) semen samples were positive for PRRSV, and 17 of the 18 positive semen samples contained NADC30-like PRRSV. Phylogenetic analysis based on GP5 amino acids revealed that the novel NADC30-like PRRSV with a unique single amino acid deletion at position 34 has become widespread and has evolved into a new subgroup.

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Effective biosecurity to protect North American studs and clients from emerging infectious disease

Cited by 11 publications

References 15 publications

Porcine reproductive and respiratory syndrome virus dissemination across pig production systems in the United States

Porcine reproductive and respiratory syndrome virus dissemination across pig production systems in the United States

Risk and Mitigation of African Swine Fever Virus in Feed

Novel ORF5 deletion of NADC30-like porcine reproductive and respiratory syndrome viruses circulating in northern China from 2016 to 2018

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