{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T04:31:04Z","timestamp":1787027464207,"version":"build-2736575974"},"reference-count":23,"publisher":"MDPI AG","issue":"5","license":[{"start":{"date-parts":[[2018,4,24]],"date-time":"2018-04-24T00:00:00Z","timestamp":1524528000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Animals"],"abstract":"<jats:p>The aim of this study was to relate the course of parturition to the condition of piglets at birth, based on umbilical cord blood acid-base values, and relate the condition at birth to neonatal survival and performance up to 10 weeks of life. Data were collected from 37 spontaneous unassisted parturitions, and neonatal performance was based on observations of 516 piglets. Stillbirth rate increased from 2% in the first piglets, to 17% in piglets born 13th in the litter or later. This was aggravated in sows with longer than average stage II of parturition. Umbilical cord blood values also reflected the effect of birth order, with pH decreasing and lactate increasing in the course of parturition. Interestingly, sows that had a long expulsion stage of parturition also took longer to give birth to the first four piglets (r = 0.74), suggesting that sows with complicated parturition were already experiencing problems at the start of expulsion of piglets. Piglets with signs of asphyxia, based on umbilical blood lactate higher than 4.46 mmol\/L, were slower to start suckling, had a higher risk of neonatal mortality, and had a slower growth rate over the first 10 weeks of life.<\/jats:p>","DOI":"10.3390\/ani8050060","type":"journal-article","created":{"date-parts":[[2018,4,24]],"date-time":"2018-04-24T04:44:48Z","timestamp":1524545088000},"page":"60","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":54,"title":["The Course of Parturition Affects Piglet Condition at Birth and Survival and Growth through the Nursery Phase"],"prefix":"10.3390","volume":"8","author":[{"given":"Pieter","family":"Langendijk","sequence":"first","affiliation":[{"name":"Trouw Nutrition R&amp;D, Stationsstraat 77, 3811 MH Amersfoort, The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marleen","family":"Fleuren","sequence":"additional","affiliation":[{"name":"Trouw Nutrition R&amp;D, Stationsstraat 77, 3811 MH Amersfoort, The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hub\u00e8rt","family":"Van Hees","sequence":"additional","affiliation":[{"name":"Trouw Nutrition R&amp;D, Stationsstraat 77, 3811 MH Amersfoort, The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Theo","family":"Van Kempen","sequence":"additional","affiliation":[{"name":"Trouw Nutrition R&amp;D, Stationsstraat 77, 3811 MH Amersfoort, The Netherlands"},{"name":"Department of Animal Science, North Carolina State University, Raleigh, NC 27695, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2018,4,24]]},"reference":[{"key":"ref_1","first-page":"233","article-title":"Analyse des param\u00e8tres physiologiques et m\u00e9taboliques associ\u00e9s aux mises bas longues ou difficiles chez la truie","volume":"42","author":"Bories","year":"2010","journal-title":"J. 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