1973
DOI: 10.1111/j.1439-0531.1973.tb00246.x
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Intrauterine and deep cervical insemination with frozen semen in sheep

Abstract: Inhalt (Intrauterine und tiefcervicale Insemination mit Gefriersperma beim Schaf). In diesem Versuch wurden 241 Schafe unter Feldbedingungen mit tiefgefrorenem Widdersperma besamt. Nach der Samenentnahme mit Hilfe einer künstlichen Scheide wurde das Sperma ca. 1:6 verdünnt und zwar mit einem Tris‐Fruktose‐Citronensäure Verdünner, der 8 vol. % Glyzerin and 20 vol. % Eidotter enthielt. Während der ungefähr 2stündigen Equilibrierungszeit wurde der Samen auf 5°C heruntergekühlt, anschlieβend wurde der Samen in P. … Show more

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Cited by 58 publications
(18 citation statements)
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“…The goats were inseminated once between 18 and 20 h after the start of the oestrous. The cervical canal was localized using a speculum light as described by Andersen et al. (1973).…”
Section: Methodsmentioning
confidence: 99%
“…The goats were inseminated once between 18 and 20 h after the start of the oestrous. The cervical canal was localized using a speculum light as described by Andersen et al. (1973).…”
Section: Methodsmentioning
confidence: 99%
“…Low fertility (20-30%) in ewes inseminated with frozen semen into the cervical orifice, an ordinal deposition site in sheep AI, has not been applied fully on the field. In 1973, Andersen et al [23] first attempted intrauterine AI in sheep with frozen semen through cervical penetration and obtained conception rates of 89 and 54% in natural and synchronized estrous ewes, respectively. The morphometric parameters, such as the external diameter and number of cervical folds, and types of cervical orifice are strongly dependent on breed and age of the ewes [24][25][26].…”
Section: Discussionmentioning
confidence: 99%
“…Cervical insemination with frozen–thawed semen was established in Norway in the late 1960s and the procedure was improved in the 1970s (Aamdal and Andersen 1968a,b; Andersen et al. 1973; Olafsson 1980).…”
Section: Introductionmentioning
confidence: 99%
“…Cervical insemination with frozen-thawed semen was established in Norway in the late 1960s and the procedure was improved in the 1970s (Aamdal and Andersen 1968a,b;Andersen et al 1973;Olafsson 1980). However, natural mating was predominant and less than 1% of the ewes were inseminated artificially over the next years.…”
Section: Introductionmentioning
confidence: 99%