Transcervical artificial insemination of Australian Merino ewes with frozen-thawed semen
We compared conventional methods for laparoscopic and cervical artificial insemination (AI) to a transcervical AI procedure (Guelph System for Transcervical AI; GST-AI) for use with frozen semen in Merino ewes. The GST-AI procedure was performed by an experienced operator in Experiment 1 (771 ewes)...
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| Veröffentlicht in: | Theriogenology 1994, Vol.42 (1), p.147-157 |
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| container_title | Theriogenology |
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| creator | Windsor, D.P. Széll, A.Z. Buschbeck, C. Edward, A.Y. Milton, J.T.B. Buckrell, B.C. |
| description | We compared conventional methods for laparoscopic and cervical artificial insemination (AI) to a transcervical AI procedure (Guelph System for Transcervical AI; GST-AI) for use with frozen semen in Merino ewes. The GST-AI procedure was performed by an experienced operator in Experiment 1 (771 ewes) and by 2 inexperienced operators in Experiment 2 (555 ewes). In Experiment 1, intrauterine insemination by GST-AI was achieved in 76% of the ewes. The pregnancy rate at Day 70 for ewes inseminated by laparoscopy (48%,
120
251
) was higher (P |
| doi_str_mv | 10.1016/0093-691X(94)90671-5 |
| format | Article |
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120
251
) was higher (P<0.01) than for ewes inseminated by either intrauterine GST-AI (32%,
64
201
) or cervical AI (9%,
24
256
). The overall (intrauterine and intracervical) pregnancy rate for GST-AI was 26% (
68
264
) and was unaffected by depth of insemination within the cervix. Pregnancy rates were unaffected by ram or day of insemination.
In Experiment 2, the operators achieved intrauterine inseminations by GST-AI in 43% (
78
182
) of the ewes, with a significant operator effect (P<0.01) on depth of cervical penetration. The pregnancy rate to intrauterine GST-AI (40%,
31
78
) did not differ from that to laparoscopic insemination. The total pregnancy rate for GST-AI in Experiment 2 (19%,
34
182
) was lower (P<0.05) than that for laparoscopic AI (39%,
72
187
) but superior (P<0.05) to that for cervical AI (1%,
1
186
). The GST-AI pregnancy rates were affected by depth of AI (P<0.01) and by operator (P<0.05). It is concluded that GST-AI is superior to cervical AI, and may have application in Merinos if cervical penetration rates can be improved.]]></description><identifier>ISSN: 0093-691X</identifier><identifier>EISSN: 1879-3231</identifier><identifier>DOI: 10.1016/0093-691X(94)90671-5</identifier><identifier>PMID: 16727521</identifier><language>eng</language><publisher>United States: Elsevier Inc</publisher><subject>BREBIS ; INSEMINACION ARTIFICIAL ; INSEMINATION ARTIFICIELLE ; OVEJA ; PERFORMANCE DE REPRODUCTION ; RACE ; RAZAS ; REPRODUCTIVIDAD ; SEMEN ; SPERME</subject><ispartof>Theriogenology, 1994, Vol.42 (1), p.147-157</ispartof><rights>1994</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c380t-338619b6d78626d88e87fca06058c83295de0492d2ca1bdc2155b46be997fb163</citedby><cites>FETCH-LOGICAL-c380t-338619b6d78626d88e87fca06058c83295de0492d2ca1bdc2155b46be997fb163</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/0093-691X(94)90671-5$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,4024,27923,27924,27925,45995</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/16727521$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Windsor, D.P.</creatorcontrib><creatorcontrib>Széll, A.Z.</creatorcontrib><creatorcontrib>Buschbeck, C.</creatorcontrib><creatorcontrib>Edward, A.Y.</creatorcontrib><creatorcontrib>Milton, J.T.B.</creatorcontrib><creatorcontrib>Buckrell, B.C.</creatorcontrib><title>Transcervical artificial insemination of Australian Merino ewes with frozen-thawed semen</title><title>Theriogenology</title><addtitle>Theriogenology</addtitle><description><![CDATA[We compared conventional methods for laparoscopic and cervical artificial insemination (AI) to a transcervical AI procedure (Guelph System for Transcervical AI; GST-AI) for use with frozen semen in Merino ewes. The GST-AI procedure was performed by an experienced operator in Experiment 1 (771 ewes) and by 2 inexperienced operators in Experiment 2 (555 ewes). In Experiment 1, intrauterine insemination by GST-AI was achieved in 76% of the ewes. The pregnancy rate at Day 70 for ewes inseminated by laparoscopy (48%,
120
251
) was higher (P<0.01) than for ewes inseminated by either intrauterine GST-AI (32%,
64
201
) or cervical AI (9%,
24
256
). The overall (intrauterine and intracervical) pregnancy rate for GST-AI was 26% (
68
264
) and was unaffected by depth of insemination within the cervix. Pregnancy rates were unaffected by ram or day of insemination.
In Experiment 2, the operators achieved intrauterine inseminations by GST-AI in 43% (
78
182
) of the ewes, with a significant operator effect (P<0.01) on depth of cervical penetration. The pregnancy rate to intrauterine GST-AI (40%,
31
78
) did not differ from that to laparoscopic insemination. The total pregnancy rate for GST-AI in Experiment 2 (19%,
34
182
) was lower (P<0.05) than that for laparoscopic AI (39%,
72
187
) but superior (P<0.05) to that for cervical AI (1%,
1
186
). The GST-AI pregnancy rates were affected by depth of AI (P<0.01) and by operator (P<0.05). It is concluded that GST-AI is superior to cervical AI, and may have application in Merinos if cervical penetration rates can be improved.]]></description><subject>BREBIS</subject><subject>INSEMINACION ARTIFICIAL</subject><subject>INSEMINATION ARTIFICIELLE</subject><subject>OVEJA</subject><subject>PERFORMANCE DE REPRODUCTION</subject><subject>RACE</subject><subject>RAZAS</subject><subject>REPRODUCTIVIDAD</subject><subject>SEMEN</subject><subject>SPERME</subject><issn>0093-691X</issn><issn>1879-3231</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1994</creationdate><recordtype>article</recordtype><recordid>eNp9kE1P3DAQhq2qqCzQP1BVVW7AIcWO468L0goBrQTqAZC4WY49KVNlbWpnWcGvJ8uu2hunGWmed0bzEPKV0e-MMnlCqeG1NOz-yLTHhkrFavGBzJhWpuYNZx_J7B-yS_ZK-UMp5VKyT2SXSdUo0bAZub_NLhYP-Qm9GyqXR-zR49RiLLDA6EZMsUp9NV-WMbsBXayuIWNMFaygVCscH6o-pxeI9fjgVhCqKQfxgOz0bijweVv3yd3F-e3Zj_rq1-XPs_lV7bmmY825lsx0MigtGxm0Bq1676ikQnvNGyMC0NY0ofGOdcE3TIiulR0Yo_qOSb5PDjd7H3P6u4Qy2gVO_wyDi5CWxSreMqpEKyay3ZA-p1Iy9PYx48LlZ8uoXSu1a1927cua1r4ptevYt-2BZbeA8D-0dTgBXzZA75J1vzMWe3djBOXGmGl4uhnC5OAJIdviEaKHgBn8aEPC98-_Ag78jrE</recordid><startdate>1994</startdate><enddate>1994</enddate><creator>Windsor, D.P.</creator><creator>Széll, A.Z.</creator><creator>Buschbeck, C.</creator><creator>Edward, A.Y.</creator><creator>Milton, J.T.B.</creator><creator>Buckrell, B.C.</creator><general>Elsevier Inc</general><scope>FBQ</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>1994</creationdate><title>Transcervical artificial insemination of Australian Merino ewes with frozen-thawed semen</title><author>Windsor, D.P. ; Széll, A.Z. ; Buschbeck, C. ; Edward, A.Y. ; Milton, J.T.B. ; Buckrell, B.C.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c380t-338619b6d78626d88e87fca06058c83295de0492d2ca1bdc2155b46be997fb163</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1994</creationdate><topic>BREBIS</topic><topic>INSEMINACION ARTIFICIAL</topic><topic>INSEMINATION ARTIFICIELLE</topic><topic>OVEJA</topic><topic>PERFORMANCE DE REPRODUCTION</topic><topic>RACE</topic><topic>RAZAS</topic><topic>REPRODUCTIVIDAD</topic><topic>SEMEN</topic><topic>SPERME</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Windsor, D.P.</creatorcontrib><creatorcontrib>Széll, A.Z.</creatorcontrib><creatorcontrib>Buschbeck, C.</creatorcontrib><creatorcontrib>Edward, A.Y.</creatorcontrib><creatorcontrib>Milton, J.T.B.</creatorcontrib><creatorcontrib>Buckrell, B.C.</creatorcontrib><collection>AGRIS</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Theriogenology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Windsor, D.P.</au><au>Széll, A.Z.</au><au>Buschbeck, C.</au><au>Edward, A.Y.</au><au>Milton, J.T.B.</au><au>Buckrell, B.C.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Transcervical artificial insemination of Australian Merino ewes with frozen-thawed semen</atitle><jtitle>Theriogenology</jtitle><addtitle>Theriogenology</addtitle><date>1994</date><risdate>1994</risdate><volume>42</volume><issue>1</issue><spage>147</spage><epage>157</epage><pages>147-157</pages><issn>0093-691X</issn><eissn>1879-3231</eissn><abstract><![CDATA[We compared conventional methods for laparoscopic and cervical artificial insemination (AI) to a transcervical AI procedure (Guelph System for Transcervical AI; GST-AI) for use with frozen semen in Merino ewes. The GST-AI procedure was performed by an experienced operator in Experiment 1 (771 ewes) and by 2 inexperienced operators in Experiment 2 (555 ewes). In Experiment 1, intrauterine insemination by GST-AI was achieved in 76% of the ewes. The pregnancy rate at Day 70 for ewes inseminated by laparoscopy (48%,
120
251
) was higher (P<0.01) than for ewes inseminated by either intrauterine GST-AI (32%,
64
201
) or cervical AI (9%,
24
256
). The overall (intrauterine and intracervical) pregnancy rate for GST-AI was 26% (
68
264
) and was unaffected by depth of insemination within the cervix. Pregnancy rates were unaffected by ram or day of insemination.
In Experiment 2, the operators achieved intrauterine inseminations by GST-AI in 43% (
78
182
) of the ewes, with a significant operator effect (P<0.01) on depth of cervical penetration. The pregnancy rate to intrauterine GST-AI (40%,
31
78
) did not differ from that to laparoscopic insemination. The total pregnancy rate for GST-AI in Experiment 2 (19%,
34
182
) was lower (P<0.05) than that for laparoscopic AI (39%,
72
187
) but superior (P<0.05) to that for cervical AI (1%,
1
186
). The GST-AI pregnancy rates were affected by depth of AI (P<0.01) and by operator (P<0.05). It is concluded that GST-AI is superior to cervical AI, and may have application in Merinos if cervical penetration rates can be improved.]]></abstract><cop>United States</cop><pub>Elsevier Inc</pub><pmid>16727521</pmid><doi>10.1016/0093-691X(94)90671-5</doi><tpages>11</tpages></addata></record> |
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| ispartof | Theriogenology, 1994, Vol.42 (1), p.147-157 |
| issn | 0093-691X 1879-3231 |
| language | eng |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | BREBIS INSEMINACION ARTIFICIAL INSEMINATION ARTIFICIELLE OVEJA PERFORMANCE DE REPRODUCTION RACE RAZAS REPRODUCTIVIDAD SEMEN SPERME |
| title | Transcervical artificial insemination of Australian Merino ewes with frozen-thawed semen |
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