{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,28]],"date-time":"2026-08-28T23:30:29Z","timestamp":1787959829285,"version":"build-2784847793"},"reference-count":55,"publisher":"MDPI AG","issue":"9","license":[{"start":{"date-parts":[[2024,5,4]],"date-time":"2024-05-04T00:00:00Z","timestamp":1714780800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Deutsche Forschungsgemeinschaft (DFG, German Research Foundation)","award":["491094227"],"award-info":[{"award-number":["491094227"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Animals"],"abstract":"<jats:p>The present study aimed to quantify and update the data on the body composition (energy nutrients) of newborn piglets of different body weights at the time of birth, as well as of the placenta mass. Data were collected from newborn piglets (n = 25) from modern genetic lines which were stillborn or died within the first 24 h of life after being crushed to death with various body weights at birth (&lt;0.8 kg (n = 5); 0.8\u20131.2 kg (n = 5); &gt;1.2\u20131.6 kg (common birth weight, n = 10) and &gt;1.6 kg (n = 5)). The placenta (n = 20) of sows from a conventional breeding farm were collected, too. The body composition of newborns of \u201cnormal\u201d (&gt;1.2\u20131.6 kg) and even lighter (0.8\u20131.2) weights still indicated a \u201cnormal\u201d composition. In the case of a lower body weight of piglets &lt;0.8 kg at birth, the crude ash (24.1%) and crude protein (8.21%) contents were higher, but the crude fat (16.1%), carbohydrate (57.4%), and gross energy (3.60%) contents were lower. The placental composition in comparison to the piglet body composition was characterized by higher crude protein contents (24.3%) and lower crude ash (31.6%), crude fat (9.08%), and carbohydrate (55.6%) contents. In conclusion, the energy and protein accumulation in the total mass of fetuses and placentas increased by 75% and 64%, respectively, in comparison to times in which the litter size varied around 10\u201312 piglets, essentially as a result of the larger fetal mass and not of a different body composition.<\/jats:p>","DOI":"10.3390\/ani14091380","type":"journal-article","created":{"date-parts":[[2024,5,6]],"date-time":"2024-05-06T13:27:00Z","timestamp":1715002020000},"page":"1380","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Chemical Composition of Newborn Piglets with Different Weights at Birth in Sows with a High Reproductive Performance"],"prefix":"10.3390","volume":"14","author":[{"given":"Carina","family":"Antonczyk","sequence":"first","affiliation":[{"name":"Institute for Animal Nutrition, University of Veterinary Medicine Hannover, Foundation, Bischofsholer Damm 15, D-30173 Hannover, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christine","family":"Ratert","sequence":"additional","affiliation":[{"name":"Institute for Animal Nutrition, University of Veterinary Medicine Hannover, Foundation, Bischofsholer Damm 15, D-30173 Hannover, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0160-5744","authenticated-orcid":false,"given":"Cornelia","family":"Schwennen","sequence":"additional","affiliation":[{"name":"Institute for Animal Nutrition, University of Veterinary Medicine Hannover, Foundation, Bischofsholer Damm 15, D-30173 Hannover, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Josef","family":"Kamphues","sequence":"additional","affiliation":[{"name":"Institute for Animal Nutrition, University of Veterinary Medicine Hannover, Foundation, Bischofsholer Damm 15, D-30173 Hannover, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2947-6737","authenticated-orcid":false,"given":"Amr","family":"Abd El-Wahab","sequence":"additional","affiliation":[{"name":"Institute for Animal Nutrition, University of Veterinary Medicine Hannover, Foundation, Bischofsholer Damm 15, D-30173 Hannover, Germany"},{"name":"Department of Nutrition and Nutritional Deficiency Diseases, Faculty of Veterinary Medicine, Mansoura University, Mansoura 35516, Egypt"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2024,5,4]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"199","DOI":"10.7120\/09627286.22.2.199","article-title":"The welfare implications of large litter size in the domestic pig I: Biological factors","volume":"22","author":"Rutherford","year":"2013","journal-title":"Anim. 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