{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,8]],"date-time":"2026-07-08T03:35:38Z","timestamp":1783481738873,"version":"3.55.0"},"reference-count":87,"publisher":"MDPI AG","issue":"19","license":[{"start":{"date-parts":[[2025,9,23]],"date-time":"2025-09-23T00:00:00Z","timestamp":1758585600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Slovenian Research and Innovation Agency (ARIS), programme group P4-0092"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Animals"],"abstract":"<jats:p>In small, closed populations such as the Lipizzan horse, maintaining genetic diversity while limiting inbreeding is a key challenge in conservation breeding. The Lipizzan is an indigenous Slovenian breed with a small population and restricted gene flow from other subpopulations. Inbreeding is traditionally monitored with pedigree-based coefficients, but these often underestimate realised autozygosity, particularly when pedigree depth is limited. This study compared pedigree-based inbreeding (F_PED) with four genomic estimators (F_HOM, F_ROH, F_HBD, F_GRM) in 329 Slovenian Lipizzan horses genotyped with a 70K SNP array. Data were processed in PLINK and R. Segment-based estimators (F_ROH, F_HBD) revealed higher inbreeding than F_PED and partitioned autozygosity into recent and distant components. F_ROH identified long homozygous segments reflecting recent inbreeding, whereas HBD classification showed that most autozygosity came from distant ancestors. Correlations between pedigree- and genomic-based coefficients were moderate (\u03c1 = \u22120.18\u20130.56), while genomic estimators showed strong agreement. These results demonstrate that genomic measures complement pedigree-based metrics by providing a fuller picture of inbreeding and its temporal origin. Incorporating genomic estimators into routine monitoring can improve mate selection, reduce inbreeding depression, and support sustainable management of genetic diversity in the Lipizzan horse, while offering a case study for other small populations with conservation goals.<\/jats:p>","DOI":"10.3390\/ani15192774","type":"journal-article","created":{"date-parts":[[2025,9,23]],"date-time":"2025-09-23T13:48:37Z","timestamp":1758635317000},"page":"2774","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Comparing Genomic and Pedigree Inbreeding Coefficients in the Slovenian Lipizzan Horse as a Case Study for Small Closed Populations"],"prefix":"10.3390","volume":"15","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-5523-5304","authenticated-orcid":false,"given":"Barbara","family":"Lu\u0161trek","sequence":"first","affiliation":[{"name":"Department of Animal Science, Biotechnical Faculty, University of Ljubljana, Jamnikarjeva 101, 1000 Ljubljana, Slovenia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3708-6798","authenticated-orcid":false,"given":"Martin","family":"\u0160imon","sequence":"additional","affiliation":[{"name":"Department of Animal Science, Biotechnical Faculty, University of Ljubljana, Jamnikarjeva 101, 1000 Ljubljana, Slovenia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0002-7312-826X","authenticated-orcid":false,"given":"Klemen","family":"Turk","sequence":"additional","affiliation":[{"name":"Department for the Selective Breeding of Equidae, Clinic for Breeding and Health Care of Horses, Veterinary Faculty, University of Ljubljana, Gerbi\u010deva 60, 1000 Ljubljana, Slovenia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0005-3151-2708","authenticated-orcid":false,"given":"Sanja","family":"Bogi\u010devi\u0107","sequence":"additional","affiliation":[{"name":"Department of Animal Science, Biotechnical Faculty, University of Ljubljana, Jamnikarjeva 101, 1000 Ljubljana, Slovenia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0734-5733","authenticated-orcid":false,"given":"Klemen","family":"Poto\u010dnik","sequence":"additional","affiliation":[{"name":"Department of Animal Science, Biotechnical Faculty, University of Ljubljana, Jamnikarjeva 101, 1000 Ljubljana, Slovenia"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2025,9,23]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"450","DOI":"10.1111\/jbg.12357","article-title":"Exploring genetic diversity in an Italian horse native breed to develop strategies for preservation and management","volume":"135","author":"Ablondi","year":"2018","journal-title":"J. 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