{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,9]],"date-time":"2026-01-09T13:33:39Z","timestamp":1767965619711,"version":"3.49.0"},"reference-count":71,"publisher":"MDPI AG","issue":"8","license":[{"start":{"date-parts":[[2021,7,27]],"date-time":"2021-07-27T00:00:00Z","timestamp":1627344000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"University of Wyoming Agriculture Experiment Station","award":["FY 20 Competitive Grant Program"],"award-info":[{"award-number":["FY 20 Competitive Grant Program"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Animals"],"abstract":"<jats:p>Feed intake restriction impacts both humans and ruminants in late gestation, although it is unknown whether this adverse maternal environment influences the microbiome of the reproductive tract, and through it, the colonization of the fetal gut. A 2 \u00d7 2 factorial design including a 70% feed intake restriction (feed restricted \u2018FR\u2019 or control diets \u2018CON\u2019) and mineral supplementation (unsupplemented \u2018S\u2212\u2019 or supplemented \u2018S+\u2019) was used to analyze these effects in multiparous cows (n = 27). Vaginal swabs were obtained 60, 30, and 10 days prior to the estimated calving date, along with neonatal rumen fluid and meconium. Placental tissues and efficiency measurements were collected. Microbial DNA was extracted for 16S sequencing of the V4 region. Feed restriction decreased the diversity of the placental microbiome, but not the vagina, while mineral supplementation had little impact on these microbial communities. Mineral supplementation did improve the richness and diversity of the fetal gut microbiomes in relation to reproductive microbes. These differences within the placental microbiome may influence individual health and performance. Adequate maternal nutrition and supplementation yielded the greatest placental efficiency, which may aid in the establishment of a healthy placental microbiome and fetal microbial colonization.<\/jats:p>","DOI":"10.3390\/ani11082219","type":"journal-article","created":{"date-parts":[[2021,7,27]],"date-time":"2021-07-27T12:18:31Z","timestamp":1627388311000},"page":"2219","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":20,"title":["Late Gestation Maternal Feed Restriction Decreases Microbial Diversity of the Placenta While Mineral Supplementation Improves Richness of the Fetal Gut Microbiome in Cattle"],"prefix":"10.3390","volume":"11","author":[{"given":"Gwendolynn","family":"Hummel","sequence":"first","affiliation":[{"name":"Department of Animal Science, University of Wyoming, Laramie, WY 82071, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kelly","family":"Woodruff","sequence":"additional","affiliation":[{"name":"Department of Animal Science, University of Wyoming, Laramie, WY 82071, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kathleen","family":"Austin","sequence":"additional","affiliation":[{"name":"Department of Animal Science, University of Wyoming, Laramie, WY 82071, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ryan","family":"Knuth","sequence":"additional","affiliation":[{"name":"Department of Animal Science, University of Wyoming, Laramie, WY 82071, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Scott","family":"Lake","sequence":"additional","affiliation":[{"name":"Department of Animal Science, University of Wyoming, Laramie, WY 82071, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6061-9206","authenticated-orcid":false,"given":"Hannah","family":"Cunningham-Hollinger","sequence":"additional","affiliation":[{"name":"Department of Animal Science, University of Wyoming, Laramie, WY 82071, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2021,7,27]]},"reference":[{"key":"ref_1","first-page":"70","article-title":"The Dutch Famine, 1944\u20131945, and the reproductive process. 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