{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2023,10,12]],"date-time":"2023-10-12T05:13:57Z","timestamp":1697087637283},"reference-count":48,"publisher":"Georg Thieme Verlag KG","issue":"04","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Tierarztl Prax Ausg G Grosstiere Nutztiere"],"published-print":{"date-parts":[[2023,8]]},"abstract":"<jats:title>Zusammenfassung<\/jats:title><jats:p>\n          Gegenstand und Ziel Der Besamungserfolg bei K\u00fchen wird durch viele\n                    Faktoren beeinflusst. Das Ziel der vorliegenden Studie war es, Erkenntnisse\n                    \u00fcber die Beziehungen von pr\u00e4ovulatorischen Follikeln,\n                    Gelbk\u00f6rpern und deren Hohlr\u00e4umen sowie einer\n                    Tr\u00e4chtigkeit bei Milchk\u00fchen unter Feldbedingungen zu\n                    gewinnen.<\/jats:p><jats:p>\n          Material und Methoden Die Daten wurden bei 176 laktierenden\n                    Milchk\u00fchen erhoben, welche zur k\u00fcnstlichen Besamung angemeldet\n                    wurden. Die K\u00fche wurden mittels Sonografie am Tag der Besamung, 24\n                    Stunden nach der Besamung, am Tag 9, am Tag 34 und ab Tag 42 nach Besamung\n                    gyn\u00e4kologisch untersucht. Zudem wurde am Tag der Besamung und am Tag 9\n                    Blut aus der Vena coccygea zur Progesteronbestimmung entnommen.<\/jats:p><jats:p>\n          Ergebnisse In Abh\u00e4ngigkeit des Ergebnisses der\n                    Tr\u00e4chtigkeitsuntersuchung konnte bei den untersuchten Milchk\u00fchen\n                    mit spontanen Ovulationen kein Unterschied zwischen den Gr\u00f6\u00dfen\n                    der Follikel, der Gelbk\u00f6rper und deren Hohlr\u00e4umen sowie den\n                    Progesteronkonzentrationen 9 Tage nach der Besamung festgestellt werden. Im\n                    Gegensatz zu den Gelbk\u00f6rpern ohne Hohlraum bleibt die\n                    Gelbk\u00f6rperfl\u00e4che w\u00e4hrend des Untersuchungszeitraums bei\n                    den Gelbk\u00f6rpern mit Hohlraum konstant, wobei gleichzeitig der Hohlraum\n                    massiv an Gr\u00f6\u00dfe verliert. Zudem wurden Rasseunterschiede in den\n                    Gelbk\u00f6rpergr\u00f6\u00dfen am Tag 34 nachgewiesen.<\/jats:p><jats:p>\n          Schlussfolgerungen Es konnte keine Ursache \u00fcber die Bildung von\n                    Hohlr\u00e4umen in Gelbk\u00f6rpern und derer Verbindungen zu\n                    vorangegangenen Funktionsk\u00f6rpern gefunden werden.<\/jats:p><jats:p>\n          Klinische Relevanz Sowohl die Ver\u00e4nderungen der\n                    Gelbk\u00f6rpergr\u00f6\u00dfen \u00fcber die Zeit als auch deren\n                    rassebedingte Unterschiede k\u00f6nnten einen Einfluss auf den\n                    Besamungserfolg haben.<\/jats:p>","DOI":"10.1055\/a-2124-1345","type":"journal-article","created":{"date-parts":[[2023,10,11]],"date-time":"2023-10-11T22:32:50Z","timestamp":1697063570000},"page":"218-227","source":"Crossref","is-referenced-by-count":0,"title":["Sonografische Verlaufsuntersuchungen zur Bedeutung der\n                    Follikelgr\u00f6\u00dfe und Gelbk\u00f6rpermorphologie bei\n                    Milchk\u00fchen post inseminationem"],"prefix":"10.1055","volume":"51","author":[{"given":"Mario","family":"Eggenschwiler","sequence":"additional","affiliation":[{"name":"Tierarztpraxis Spiegelberg, Halten, Schweiz"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Beatrice","family":"Lejeune","sequence":"additional","affiliation":[{"name":"Tierarztpraxis Spiegelberg, Halten, Schweiz"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rupert","family":"Bruckmaier","sequence":"additional","affiliation":[{"name":"Institut fu\u0308r Veterina\u0308r-Physiologie,\n                    Vetsuisse-Fakulta\u0308t Universita\u0308t Bern, Bern,\n                    Schweiz"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ulrich","family":"Bleul","sequence":"additional","affiliation":[{"name":"Klinik f\u00fcr Reproduktionsmedizin, Departement f\u00fcr\n                    Nutztiere, Vetsuisse-Fakult\u00e4t Universit\u00e4t Z\u00fcrich,\n                    Schweiz"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"194","published-online":{"date-parts":[[2023,10,11]]},"reference":[{"key":"ref1","doi-asserted-by":"publisher","first-page":"260","DOI":"10.1111\/j.1439-0531.2008.01171.x","article-title":"Embryonic and early foetal losses in cattle and other ruminants","volume":"43","author":"M G Diskin","year":"2008","journal-title":"Reprod Domest Anim"},{"key":"ref2","doi-asserted-by":"crossref","first-page":"244","DOI":"10.3168\/jds.S0022-0302(02)74073-3","article-title":"Trends in reproductive performance in southeastern Holstein and Jersey DHI\n                    herds","volume":"85","author":"S Washburn","year":"2002","journal-title":"J Dairy Sci"},{"key":"ref3","doi-asserted-by":"crossref","first-page":"1277","DOI":"10.3168\/jds.S0022-0302(01)70158-0","article-title":"ADSA foundation Scholar Award. 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