PMID- 31585654 OWN - NLM STAT- MEDLINE DCOM- 20200128 LR - 20200128 IS - 1873-2542 (Electronic) IS - 0378-1135 (Linking) VI - 237 DP - 2019 Oct TI - Indirect assessment of porcine reproductive and respiratory syndrome virus status in pigs prior to weaning by sampling sows and the environment. PG - 108406 LID - S0378-1135(19)30640-6 [pii] LID - 10.1016/j.vetmic.2019.108406 [doi] AB - There is a need to develop cost effective approaches to sample large populations in particular to determine the disease status of pigs prior to weaning. In this study we assessed the presence of the porcine reproductive and respiratory syndrome virus (PRRSV) in the environment (surfaces and air) of farrowing rooms, and udder skin of lactating sows as an indirect measure of piglet PRRSV status. Samples were collected at processing and weaning every three weeks for 23 weeks after a PRRSV outbreak was diagnosed in a swine breeding herd. PRRSV was detected at processing in udder skin wipes, environmental wipes and airborne deposited particle samples up to 14 weeks post outbreak and at weaning in udder skin wipes up to 17 weeks post outbreak. Similar sensitivities were observed for udder skin wipes (43% [95% CI: 23%-66%]) and surface wipes (57% [95% CI: 34%-77%]) when compared to serum at the litter level from piglets at processing. PRRSV was detected in the environment and the udder skin of lactating sows, which indicates that aggregate samples of the environment or lactating sows may be used to evaluate the PRRSV status of the herd in pigs prior to weaning. However, the use of environmental samples to detect PRRSV by RT-PCR should not be used as the single method to assess the PRRSV status at the litter level. Furthermore, our findings also highlight potential sources of PRRSV infection for piglets in breeding herds. CI - Copyright (c) 2019 Elsevier B.V. All rights reserved. FAU - Vilalta, Carles AU - Vilalta C AD - Veterinary Population Medicine Department, College of Veterinary Medicine, University of Minnesota, 1365 Gortner Ave, St Paul, MN 55108, USA. Electronic address: cvilalta@umn.edu. FAU - Sanhueza, Juan AU - Sanhueza J AD - Veterinary Population Medicine Department, College of Veterinary Medicine, University of Minnesota, 1365 Gortner Ave, St Paul, MN 55108, USA. FAU - Garrido, Jorge AU - Garrido J AD - Veterinary Population Medicine Department, College of Veterinary Medicine, University of Minnesota, 1365 Gortner Ave, St Paul, MN 55108, USA. FAU - Murray, Deb AU - Murray D AD - New Fashion Pork, Jackson, MN, USA. FAU - Morrison, Robert AU - Morrison R AD - Veterinary Population Medicine Department, College of Veterinary Medicine, University of Minnesota, 1365 Gortner Ave, St Paul, MN 55108, USA. FAU - Corzo, Cesar A AU - Corzo CA AD - Veterinary Population Medicine Department, College of Veterinary Medicine, University of Minnesota, 1365 Gortner Ave, St Paul, MN 55108, USA. FAU - Torremorell, Montserrat AU - Torremorell M AD - Veterinary Population Medicine Department, College of Veterinary Medicine, University of Minnesota, 1365 Gortner Ave, St Paul, MN 55108, USA. LA - eng PT - Journal Article DEP - 20190903 PL - Netherlands TA - Vet Microbiol JT - Veterinary microbiology JID - 7705469 SB - IM MH - Aging MH - Animal Husbandry MH - Animals MH - *Environmental Microbiology MH - Female MH - *Housing, Animal MH - Porcine Reproductive and Respiratory Syndrome/*transmission/virology MH - Porcine respiratory and reproductive syndrome virus/*isolation & purification MH - Sensitivity and Specificity MH - Swine/*virology MH - Virus Cultivation MH - Weaning OTO - NOTNLM OT - Environment OT - Monitoring OT - Nurse sow OT - PRRSV OT - Udder EDAT- 2019/10/06 06:00 MHDA- 2020/01/29 06:00 CRDT- 2019/10/06 06:00 PHST- 2019/05/30 00:00 [received] PHST- 2019/09/02 00:00 [revised] PHST- 2019/09/02 00:00 [accepted] PHST- 2019/10/06 06:00 [entrez] PHST- 2019/10/06 06:00 [pubmed] PHST- 2020/01/29 06:00 [medline] AID - S0378-1135(19)30640-6 [pii] AID - 10.1016/j.vetmic.2019.108406 [doi] PST - ppublish SO - Vet Microbiol. 2019 Oct;237:108406. doi: 10.1016/j.vetmic.2019.108406. Epub 2019 Sep 3.