Effect of Syncro-Mate B Implants (SMB) on Embryo Production by Repeated Superovulation in Japanese Black Cattle
The purpose of this study was to evaluate the effect of repeated superovulation assisted by Syncro-Mate B implants (SMB) on embryo production in Japanese Black cattle. A total of 11 cattle were implanted s. c. with SMB in pinna and injected i. m. with 3mg of norgestomet and 5mg of estradiol valerate...
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| Veröffentlicht in: | Nihon Chikusan Gakkaiho 1998/04/25, Vol.69(4), pp.370-375 |
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| container_title | Nihon Chikusan Gakkaiho |
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| creator | DOCHI, Osamu KONISHI, Kazuyuki IMAI, Kei TOMIZAWA, Munetaka OKUCHI, Hiroaki OKADA, Masato GOTO, Yuji TAKAKURA, Hirosuke |
| description | The purpose of this study was to evaluate the effect of repeated superovulation assisted by Syncro-Mate B implants (SMB) on embryo production in Japanese Black cattle. A total of 11 cattle were implanted s. c. with SMB in pinna and injected i. m. with 3mg of norgestomet and 5mg of estradiol valerate at the same time without considering stages of the estrous cycle. Six or seven days after SMB implantation, superovulation treatments were initiated with twice-daily injection of FSH with decreasing dosage manner for 4 days (total FSH 28AU). After 48h or 55h of the first FSH injection, all cattle were injected i. m. with 750μg cloprostenol. All cattle showing estrous behavior were inseminated artificially with frozen semen of Japanese Black bull. Six to eight days later, embryos were collected from uterus by flushing out. The embryo collection was repeated five times at an interval of 28 days. The repeated treatment of superovulation affected the proportion of transferable embryos (P=0.0117) and the number of transferable embryos (P=0.0501). The proportion of transferable embryos at 2nd treatment was significantly higher than that of the other treatment cycle (P |
| doi_str_mv | 10.2508/chikusan.69.370 |
| format | Article |
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A total of 11 cattle were implanted s. c. with SMB in pinna and injected i. m. with 3mg of norgestomet and 5mg of estradiol valerate at the same time without considering stages of the estrous cycle. Six or seven days after SMB implantation, superovulation treatments were initiated with twice-daily injection of FSH with decreasing dosage manner for 4 days (total FSH 28AU). After 48h or 55h of the first FSH injection, all cattle were injected i. m. with 750μg cloprostenol. All cattle showing estrous behavior were inseminated artificially with frozen semen of Japanese Black bull. Six to eight days later, embryos were collected from uterus by flushing out. The embryo collection was repeated five times at an interval of 28 days. The repeated treatment of superovulation affected the proportion of transferable embryos (P=0.0117) and the number of transferable embryos (P=0.0501). The proportion of transferable embryos at 2nd treatment was significantly higher than that of the other treatment cycle (P<005). The number of transferable embryos after the 3rd treatment were significantly lower than that of the 1st and 2nd treatments (P<0.05). The average of the sum of oocytes/embryos, transferable embryos and good quality embryos were 45.2±25.0, 22.8±18.6 and 10.0±8.7, respectively. The response to superovulation treatment varies largely among individuals. The present study demonstrates that SMB can be effectively applied for embryo collection on repeated treatment of superovulation at an intervals of 28 days in cattle.</description><identifier>ISSN: 1346-907X</identifier><identifier>EISSN: 1880-8255</identifier><identifier>DOI: 10.2508/chikusan.69.370</identifier><language>jpn</language><publisher>Japanese Society of Animal Science</publisher><subject>Embryo production ; Japanese Black cattle ; Repeated superovulation ; Superovulatory responses ; Syncro-Mate B</subject><ispartof>Nihon Chikusan Gakkaiho, 1998/04/25, Vol.69(4), pp.370-375</ispartof><rights>Japanese Society of Animal Science</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c2490-a6efd200c0153f02732467df415f82025182e574a2ae4ceb9a72cdb94b4dba903</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,4024,27923,27924,27925</link.rule.ids></links><search><creatorcontrib>DOCHI, Osamu</creatorcontrib><creatorcontrib>KONISHI, Kazuyuki</creatorcontrib><creatorcontrib>IMAI, Kei</creatorcontrib><creatorcontrib>TOMIZAWA, Munetaka</creatorcontrib><creatorcontrib>OKUCHI, Hiroaki</creatorcontrib><creatorcontrib>OKADA, Masato</creatorcontrib><creatorcontrib>GOTO, Yuji</creatorcontrib><creatorcontrib>TAKAKURA, Hirosuke</creatorcontrib><title>Effect of Syncro-Mate B Implants (SMB) on Embryo Production by Repeated Superovulation in Japanese Black Cattle</title><title>Nihon Chikusan Gakkaiho</title><addtitle>Nihon Chikusan Gakkaiho</addtitle><description>The purpose of this study was to evaluate the effect of repeated superovulation assisted by Syncro-Mate B implants (SMB) on embryo production in Japanese Black cattle. A total of 11 cattle were implanted s. c. with SMB in pinna and injected i. m. with 3mg of norgestomet and 5mg of estradiol valerate at the same time without considering stages of the estrous cycle. Six or seven days after SMB implantation, superovulation treatments were initiated with twice-daily injection of FSH with decreasing dosage manner for 4 days (total FSH 28AU). After 48h or 55h of the first FSH injection, all cattle were injected i. m. with 750μg cloprostenol. All cattle showing estrous behavior were inseminated artificially with frozen semen of Japanese Black bull. Six to eight days later, embryos were collected from uterus by flushing out. The embryo collection was repeated five times at an interval of 28 days. The repeated treatment of superovulation affected the proportion of transferable embryos (P=0.0117) and the number of transferable embryos (P=0.0501). The proportion of transferable embryos at 2nd treatment was significantly higher than that of the other treatment cycle (P<005). The number of transferable embryos after the 3rd treatment were significantly lower than that of the 1st and 2nd treatments (P<0.05). The average of the sum of oocytes/embryos, transferable embryos and good quality embryos were 45.2±25.0, 22.8±18.6 and 10.0±8.7, respectively. The response to superovulation treatment varies largely among individuals. The present study demonstrates that SMB can be effectively applied for embryo collection on repeated treatment of superovulation at an intervals of 28 days in cattle.</description><subject>Embryo production</subject><subject>Japanese Black cattle</subject><subject>Repeated superovulation</subject><subject>Superovulatory responses</subject><subject>Syncro-Mate B</subject><issn>1346-907X</issn><issn>1880-8255</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1998</creationdate><recordtype>article</recordtype><recordid>eNp9kE1PwzAMhisEEtPYmWuOcOiWpGnTHNk02NAQiIHErXLTBMK6tkoypP57ug8mxIGLbdl-XstvEFwSPKQxTkfyw6w2DqphIoYRxydBj6QpDlMax6ddHbEkFJi_nQcD50yOcUQ4wZz2gnqqtZIe1Rot20raOnwAr9AYzddNCZV36Gr5ML5GdYWm69y2NXqydbGR3nSdvEXPqlEdUKDlplG2_tqUsBuZCt1DA5VynVgJcoUm4H2pLoIzDaVTg0PuB6-305fJLFw83s0nN4tQUiZwCInSBcVYYhJHGlMeUZbwQjMS65RiGpOUqpgzoKCYVLkATmWRC5azIgeBo34w2ut2Lzlnlc4aa9Zg24zgbGtZ9mNZloiss6wj4j-ENH73jLdgyn-42Z77dB7e1fEOWG9kqY77RFC2ZQ6hQ3-tgM1UFX0DkgeOAA</recordid><startdate>1998</startdate><enddate>1998</enddate><creator>DOCHI, Osamu</creator><creator>KONISHI, Kazuyuki</creator><creator>IMAI, Kei</creator><creator>TOMIZAWA, Munetaka</creator><creator>OKUCHI, Hiroaki</creator><creator>OKADA, Masato</creator><creator>GOTO, Yuji</creator><creator>TAKAKURA, Hirosuke</creator><general>Japanese Society of Animal Science</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>1998</creationdate><title>Effect of Syncro-Mate B Implants (SMB) on Embryo Production by Repeated Superovulation in Japanese Black Cattle</title><author>DOCHI, Osamu ; KONISHI, Kazuyuki ; IMAI, Kei ; TOMIZAWA, Munetaka ; OKUCHI, Hiroaki ; OKADA, Masato ; GOTO, Yuji ; TAKAKURA, Hirosuke</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c2490-a6efd200c0153f02732467df415f82025182e574a2ae4ceb9a72cdb94b4dba903</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>jpn</language><creationdate>1998</creationdate><topic>Embryo production</topic><topic>Japanese Black cattle</topic><topic>Repeated superovulation</topic><topic>Superovulatory responses</topic><topic>Syncro-Mate B</topic><toplevel>online_resources</toplevel><creatorcontrib>DOCHI, Osamu</creatorcontrib><creatorcontrib>KONISHI, Kazuyuki</creatorcontrib><creatorcontrib>IMAI, Kei</creatorcontrib><creatorcontrib>TOMIZAWA, Munetaka</creatorcontrib><creatorcontrib>OKUCHI, Hiroaki</creatorcontrib><creatorcontrib>OKADA, Masato</creatorcontrib><creatorcontrib>GOTO, Yuji</creatorcontrib><creatorcontrib>TAKAKURA, Hirosuke</creatorcontrib><collection>CrossRef</collection><jtitle>Nihon Chikusan Gakkaiho</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>DOCHI, Osamu</au><au>KONISHI, Kazuyuki</au><au>IMAI, Kei</au><au>TOMIZAWA, Munetaka</au><au>OKUCHI, Hiroaki</au><au>OKADA, Masato</au><au>GOTO, Yuji</au><au>TAKAKURA, Hirosuke</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of Syncro-Mate B Implants (SMB) on Embryo Production by Repeated Superovulation in Japanese Black Cattle</atitle><jtitle>Nihon Chikusan Gakkaiho</jtitle><addtitle>Nihon Chikusan Gakkaiho</addtitle><date>1998</date><risdate>1998</risdate><volume>69</volume><issue>4</issue><spage>370</spage><epage>375</epage><pages>370-375</pages><artnum>370</artnum><issn>1346-907X</issn><eissn>1880-8255</eissn><abstract>The purpose of this study was to evaluate the effect of repeated superovulation assisted by Syncro-Mate B implants (SMB) on embryo production in Japanese Black cattle. A total of 11 cattle were implanted s. c. with SMB in pinna and injected i. m. with 3mg of norgestomet and 5mg of estradiol valerate at the same time without considering stages of the estrous cycle. Six or seven days after SMB implantation, superovulation treatments were initiated with twice-daily injection of FSH with decreasing dosage manner for 4 days (total FSH 28AU). After 48h or 55h of the first FSH injection, all cattle were injected i. m. with 750μg cloprostenol. All cattle showing estrous behavior were inseminated artificially with frozen semen of Japanese Black bull. Six to eight days later, embryos were collected from uterus by flushing out. The embryo collection was repeated five times at an interval of 28 days. The repeated treatment of superovulation affected the proportion of transferable embryos (P=0.0117) and the number of transferable embryos (P=0.0501). The proportion of transferable embryos at 2nd treatment was significantly higher than that of the other treatment cycle (P<005). The number of transferable embryos after the 3rd treatment were significantly lower than that of the 1st and 2nd treatments (P<0.05). The average of the sum of oocytes/embryos, transferable embryos and good quality embryos were 45.2±25.0, 22.8±18.6 and 10.0±8.7, respectively. The response to superovulation treatment varies largely among individuals. The present study demonstrates that SMB can be effectively applied for embryo collection on repeated treatment of superovulation at an intervals of 28 days in cattle.</abstract><pub>Japanese Society of Animal Science</pub><doi>10.2508/chikusan.69.370</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1346-907X |
| ispartof | Nihon Chikusan Gakkaiho, 1998/04/25, Vol.69(4), pp.370-375 |
| issn | 1346-907X 1880-8255 |
| language | jpn |
| recordid | cdi_crossref_primary_10_2508_chikusan_69_370 |
| source | Alma/SFX Local Collection |
| subjects | Embryo production Japanese Black cattle Repeated superovulation Superovulatory responses Syncro-Mate B |
| title | Effect of Syncro-Mate B Implants (SMB) on Embryo Production by Repeated Superovulation in Japanese Black Cattle |
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