{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,17]],"date-time":"2026-08-17T14:57:06Z","timestamp":1786978626686,"version":"build-2736575974"},"reference-count":32,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2021,2,19]],"date-time":"2021-02-19T00:00:00Z","timestamp":1613692800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Veterinary Record"],"published-print":{"date-parts":[[2021,8]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    <jats:bold>Background<\/jats:bold>\n                    : The Barber's Pole worm,\n                    <jats:italic>Haemonchus contortus<\/jats:italic>\n                    is of major concern to sheep producers, particularly in the southern hemisphere. This nematode is also commonly found in many sheep flocks in Northern hemisphere countries but is generally not associated with acute clinical pathology. As with other nematode species, the pattern of disease is changing in the United Kingdom. Changes in management practices, climate, anthelmintic resistance prevalence and parasite adaptation are possible factors thought to be responsible for this.\n                  <\/jats:p>\n                  <jats:p>\n                    <jats:bold>Methods<\/jats:bold>\n                    : In the present study, a combination of traditional applied parasitological and molecular species identification techniques were used to assess the capability of\n                    <jats:italic>H. contortus<\/jats:italic>\n                    infective larvae to over\u2010winter on pasture and infect lambs in early spring.\n                  <\/jats:p>\n                  <jats:p>\n                    <jats:bold>Results<\/jats:bold>\n                    : Adult and inhibited\n                    <jats:italic>H. contortus<\/jats:italic>\n                    worms were identified in previously worm\u2010free tracer lambs that had grazed contaminated pasture in late winter\/early spring (February\/March).\n                  <\/jats:p>\n                  <jats:p>\n                    <jats:bold>Conclusion<\/jats:bold>\n                    : The study illustrated the benefit of using classical applied parasitology techniques in conjunction with molecular species identification methods to explore the epidemiology of gastro\u2010intestinal nematodes of livestock. This study also demonstrated that larvae were able to survive over\u2010winter, albeit in small numbers, and potentially contaminate pastures earlier than previously considered in northern regions of the UK.\n                  <\/jats:p>","DOI":"10.1002\/vetr.137","type":"journal-article","created":{"date-parts":[[2021,2,20]],"date-time":"2021-02-20T20:54:17Z","timestamp":1613854457000},"source":"Crossref","is-referenced-by-count":4,"title":["Integrating applied parasitological and molecular epidemiological methodologies to investigate the capacity of\n                    <i>Haemonchus contortus<\/i>\n                    to over\u2010winter on pasture in Scotland"],"prefix":"10.1002","volume":"189","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-8543-9244","authenticated-orcid":false,"given":"David J.","family":"Bartley","sequence":"first","affiliation":[{"name":"Disease Control Moredun Research Institute  Penicuik UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Leigh","family":"Andrews","sequence":"additional","affiliation":[{"name":"Disease Control Moredun Research Institute  Penicuik UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2115-9307","authenticated-orcid":false,"given":"Lynsey A.","family":"Melville","sequence":"additional","affiliation":[{"name":"Disease Control Moredun Research Institute  Penicuik UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"David","family":"McBean","sequence":"additional","affiliation":[{"name":"Disease Control Moredun Research Institute  Penicuik UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Philip","family":"Skuce","sequence":"additional","affiliation":[{"name":"Disease Control Moredun Research Institute  Penicuik UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alison A.","family":"Morrison","sequence":"additional","affiliation":[{"name":"Disease Control Moredun Research Institute  Penicuik UK"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2021,2,19]]},"reference":[{"key":"e_1_2_8_2_1","volume-title":"A handbook of climate trends across Scotland","author":"Barnett C","year":"2006"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1017\/S0021859615000830"},{"key":"e_1_2_8_4_1","doi-asserted-by":"publisher","DOI":"10.3390\/agriculture3030484"},{"key":"e_1_2_8_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.vetpar.2009.03.027"},{"key":"e_1_2_8_6_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ecolmodel.2014.11.033"},{"key":"e_1_2_8_7_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.vetpar.2016.10.015"},{"key":"e_1_2_8_8_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.vetpar.2008.08.006"},{"key":"e_1_2_8_9_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1475-2743.1996.tb00528.x"},{"key":"e_1_2_8_10_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.vetpar.2012.03.028"},{"key":"e_1_2_8_11_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.vetpar.2007.04.011"},{"key":"e_1_2_8_12_1","doi-asserted-by":"publisher","DOI":"10.1079\/JOH2005286"},{"key":"e_1_2_8_13_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.vetpar.2004.04.007"},{"key":"e_1_2_8_14_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.vetpar.2012.04.009"},{"issue":"2","key":"e_1_2_8_15_1","first-page":"65","article-title":"New technique for obtaining nematode ova from sheep faeces","volume":"23","author":"Jackson F","year":"1974","journal-title":"Lab Pract."},{"key":"e_1_2_8_16_1","volume-title":"Manual of veterinary parasitological laboratory techniques","author":"MAFF","year":"1986"},{"key":"e_1_2_8_17_1","doi-asserted-by":"publisher","DOI":"10.1016\/0304-4017(93)90177-O"},{"key":"e_1_2_8_18_1","doi-asserted-by":"publisher","DOI":"10.1186\/s13071-017-2165-x"},{"key":"e_1_2_8_19_1","first-page":"242","article-title":"Ecology and biological plasticity of sheep nematodes. 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