{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,12]],"date-time":"2026-06-12T07:11:26Z","timestamp":1781248286975,"version":"3.54.1"},"reference-count":36,"publisher":"Oxford University Press (OUP)","issue":"5","license":[{"start":{"date-parts":[[2021,3,30]],"date-time":"2021-03-30T00:00:00Z","timestamp":1617062400000},"content-version":"vor","delay-in-days":1,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/100009227","name":"Iowa State University","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100009227","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100010576","name":"Iowa Pork Producers Association","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100010576","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2021,5,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Antibody response, measured as sample-to-positive (S\/P) ratio, to porcine reproductive and respiratory syndrome virus (PRRSV) following a PRRSV-outbreak (S\/POutbreak) in a purebred nucleus and following a PRRSV-vaccination (S\/PVx) in commercial crossbred herds have been proposed as genetic indicator traits for improved reproductive performance in PRRSV-infected purebred and PRRSV-vaccinated crossbred sows, respectively. In this study, we investigated the genetic relationships of S\/POutbreak and S\/PVx with performance at the commercial (vaccinated crossbred sows) and nucleus level (non-infected and PRRSV-infected purebred sows), respectively, and tested the effect of previously identified SNP for these indicator traits. Antibody response was measured on 541 Landrace sows ~54 d after the start of a PRRSV outbreak, and on 906 F1 (Landrace \u00d7 Large White) gilts ~50 d after vaccination with a commercial PRRSV vaccine. Reproductive performance was recorded for 711 and 428 Landrace sows before and during the PRRSV outbreak, respectively, and for 811 vaccinated F1 animals. The estimate of the genetic correlation (rg) of S\/POutbreak with S\/PVx was 0.72 \u00b1 0.18. The estimates of rg of S\/POutbreak with reproductive performance in vaccinated crossbred sows were low to moderate, ranging from 0.05 \u00b1 0.23 to 0.30 \u00b1 0.20. The estimate of rg of S\/PVx with reproductive performance in non-infected purebred sows was moderate and favorable with number born alive (0.50 \u00b1 0.23) but low (0 \u00b1 0.23 to \u22120.11 \u00b1 0.23) with piglet mortality traits. The estimates of rg of S\/PVx were moderate and negative (\u22120.38 \u00b1 0.21) with number of mummies in PRRSV-infected purebred sows and low with other traits (\u22120.30 \u00b1 0.18 to 0.05 \u00b1 0.18). Several significant associations (P0 &amp;gt; 0.90) of previously reported SNP for S\/P ratio (ASGA0032063 and H3GA0020505) were identified for S\/P ratio and performance in non-infected purebred and PRRSV-exposed purebred and crossbred sows. Genomic regions harboring the major histocompatibility complex class II region significantly contributed to the genetic correlation of antibody response to PRRSV with most of the traits analyzed. These results indicate that selection for antibody response in purebred sows following a PRRSV outbreak in the nucleus and for antibody response to PRRSV vaccination measured in commercial crossbred sows are expected to increase litter size in purebred and commercial sows.<\/jats:p>","DOI":"10.1093\/jas\/skab097","type":"journal-article","created":{"date-parts":[[2021,3,30]],"date-time":"2021-03-30T05:36:36Z","timestamp":1617082596000},"source":"Crossref","is-referenced-by-count":5,"title":["Genomics of response to porcine reproductive and respiratory syndrome virus in purebred and crossbred sows: antibody response and performance following natural infection vs. vaccination"],"prefix":"10.1093","volume":"99","author":[{"given":"Leticia P","family":"Sanglard","sequence":"first","affiliation":[{"name":"Department of Animal Science, Iowa State University, Ames, IA 50011, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Felipe M W","family":"Hickmann","sequence":"additional","affiliation":[{"name":"Department of Animal Science, Iowa State University, Ames, IA 50011, USA"},{"name":"Department of Animal Science, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, 91540-000, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yijian","family":"Huang","sequence":"additional","affiliation":[{"name":"Smithfield Premium Genetic, Rose Hill, NC 28458, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kent A","family":"Gray","sequence":"additional","affiliation":[{"name":"Smithfield Premium Genetic, Rose Hill, NC 28458, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Daniel C L","family":"Linhares","sequence":"additional","affiliation":[{"name":"Department of Veterinary Diagnostic and Production Animal Medicine, Iowa State University, Ames, IA 50011, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jack C M","family":"Dekkers","sequence":"additional","affiliation":[{"name":"Department of Animal Science, Iowa State University, Ames, IA 50011, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Megan C","family":"Niederwerder","sequence":"additional","affiliation":[{"name":"Department of Diagnostic Medicine\/Pathobiology, Kansas State University, Manhattan, KS 66506, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rohan L","family":"Fernando","sequence":"additional","affiliation":[{"name":"Department of Animal Science, Iowa State University, Ames, IA 50011, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Joseph","family":"Braccini Neto","sequence":"additional","affiliation":[{"name":"Department of Animal Science, Iowa State University, Ames, IA 50011, USA"},{"name":"Department of Animal Science, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, 91540-000, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6758-208X","authenticated-orcid":false,"given":"Nick V L","family":"Ser\u00e3o","sequence":"additional","affiliation":[{"name":"Department of Animal Science, Iowa State University, Ames, IA 50011, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"286","published-online":{"date-parts":[[2021,3,29]]},"reference":[{"key":"2021070809365632700_CIT0001a","doi-asserted-by":"crossref","first-page":"3228\u20133236","DOI":"10.1093\/jas\/skz192","article-title":"Identification of resilient sows in porcine reproductive and respiratory syndrome virus-infected farms","volume":"97","author":"Abella","year":"2019","journal-title":"J. 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