Melatonin administration enhances the reproductive capacity of young rams under a southern M editerranean environment
This study tested the effect of melatonin treatment, initiated in late F ebruary on reproductive traits of young rams. A total of 14 young B arbarine rams were used. Seven animals were treated with three melatonin subcutaneous implants ( M elatonin) on 28 F ebruary while the remaining rams remained...
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| Veröffentlicht in: | Animal science journal 2015-07, Vol.86 (7), p.666-672 |
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| container_title | Animal science journal |
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| creator | Rekik, Mourad Taboubi, Rahma Ben Salem, Imene Fehri, Younes Sakly, Cyrine Lassoued, Narjess Hilali, Muhi Eddine |
| description | This study tested the effect of melatonin treatment, initiated in late
F
ebruary on reproductive traits of young rams. A total of 14 young
B
arbarine rams were used. Seven animals were treated with three melatonin subcutaneous implants (
M
elatonin) on 28
F
ebruary while the remaining rams remained untreated (
C
ontrol). After 60 days of melatonin administration, scrotal circumference reached average values of 32.1 ± 1.54 and 29.5 ± 1.0 cm for
M
elatonin and
C
ontrol animals, respectively (
P
|
| doi_str_mv | 10.1111/asj.12350 |
| format | Article |
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F
ebruary on reproductive traits of young rams. A total of 14 young
B
arbarine rams were used. Seven animals were treated with three melatonin subcutaneous implants (
M
elatonin) on 28
F
ebruary while the remaining rams remained untreated (
C
ontrol). After 60 days of melatonin administration, scrotal circumference reached average values of 32.1 ± 1.54 and 29.5 ± 1.0 cm for
M
elatonin and
C
ontrol animals, respectively (
P
< 0.05). Semen characteristics did not differ between groups; melatonin treatment tended (
P
= 0.091) to increase sperm concentration 60 days after implantation when means reached 5.87 ± 0.703 and 4.61 ± 0.654 × 10
9
spermatozoa/mL for
M
elatonin and
C
ontrol rams, respectively. Melatonin treatment significantly affected total activity time, number of lateral approaches and mount attempts in comparison to controls. During a 6‐h sampling period, mean plasma testosterone concentrations increased as a result of melatonin treatment (
P
< 0.001) and testosterone pulse frequency averaged 3.45 ± 2.24 and 1.25 ± 1.0 (
P
= 0.086) for
M
elatonin and
C
ontrol rams. Data clearly suggest that abrupt treatment of young rams with melatonin implants in winter is sufficient to improve reproductive traits.</description><identifier>ISSN: 1344-3941</identifier><identifier>EISSN: 1740-0929</identifier><identifier>DOI: 10.1111/asj.12350</identifier><language>eng</language><ispartof>Animal science journal, 2015-07, Vol.86 (7), p.666-672</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c740-b3b07664bd4a2895e16fbab08a008704db70e0e3e2415563d812b3ce39dff6723</citedby><cites>FETCH-LOGICAL-c740-b3b07664bd4a2895e16fbab08a008704db70e0e3e2415563d812b3ce39dff6723</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Rekik, Mourad</creatorcontrib><creatorcontrib>Taboubi, Rahma</creatorcontrib><creatorcontrib>Ben Salem, Imene</creatorcontrib><creatorcontrib>Fehri, Younes</creatorcontrib><creatorcontrib>Sakly, Cyrine</creatorcontrib><creatorcontrib>Lassoued, Narjess</creatorcontrib><creatorcontrib>Hilali, Muhi Eddine</creatorcontrib><title>Melatonin administration enhances the reproductive capacity of young rams under a southern M editerranean environment</title><title>Animal science journal</title><description>This study tested the effect of melatonin treatment, initiated in late
F
ebruary on reproductive traits of young rams. A total of 14 young
B
arbarine rams were used. Seven animals were treated with three melatonin subcutaneous implants (
M
elatonin) on 28
F
ebruary while the remaining rams remained untreated (
C
ontrol). After 60 days of melatonin administration, scrotal circumference reached average values of 32.1 ± 1.54 and 29.5 ± 1.0 cm for
M
elatonin and
C
ontrol animals, respectively (
P
< 0.05). Semen characteristics did not differ between groups; melatonin treatment tended (
P
= 0.091) to increase sperm concentration 60 days after implantation when means reached 5.87 ± 0.703 and 4.61 ± 0.654 × 10
9
spermatozoa/mL for
M
elatonin and
C
ontrol rams, respectively. Melatonin treatment significantly affected total activity time, number of lateral approaches and mount attempts in comparison to controls. During a 6‐h sampling period, mean plasma testosterone concentrations increased as a result of melatonin treatment (
P
< 0.001) and testosterone pulse frequency averaged 3.45 ± 2.24 and 1.25 ± 1.0 (
P
= 0.086) for
M
elatonin and
C
ontrol rams. Data clearly suggest that abrupt treatment of young rams with melatonin implants in winter is sufficient to improve reproductive traits.</description><issn>1344-3941</issn><issn>1740-0929</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNotkMtOwzAURC0EEqWw4A-8ZZFyHTuvJap4Sa3YdB9dxzfUVWNXtlMpf08KzGZmM6PRYexRwErMesZ4WIlcFnDFFqJSkEGTN9dzlkplslHilt3FeAAQVQPFgo1bOmLyzjqOZrDOxhQwWe84uT26jiJPe-KBTsGbsUv2TLzDE3Y2Tdz3fPKj--YBh8hHZyhw5NGPcyU4vuVkbKIQ0BFeBs82eDeQS_fspsdjpId_X7Ld2-tu_ZFtvt4_1y-brLtc11JDVZZKG4V53RQkyl6jhhoB6gqU0RUQkKRciaIopalFrmVHsjF9X1a5XLKnv9ku-BgD9e0p2AHD1ApoL7jaGVf7i0v-AOlfYG0</recordid><startdate>201507</startdate><enddate>201507</enddate><creator>Rekik, Mourad</creator><creator>Taboubi, Rahma</creator><creator>Ben Salem, Imene</creator><creator>Fehri, Younes</creator><creator>Sakly, Cyrine</creator><creator>Lassoued, Narjess</creator><creator>Hilali, Muhi Eddine</creator><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>201507</creationdate><title>Melatonin administration enhances the reproductive capacity of young rams under a southern M editerranean environment</title><author>Rekik, Mourad ; Taboubi, Rahma ; Ben Salem, Imene ; Fehri, Younes ; Sakly, Cyrine ; Lassoued, Narjess ; Hilali, Muhi Eddine</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c740-b3b07664bd4a2895e16fbab08a008704db70e0e3e2415563d812b3ce39dff6723</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Rekik, Mourad</creatorcontrib><creatorcontrib>Taboubi, Rahma</creatorcontrib><creatorcontrib>Ben Salem, Imene</creatorcontrib><creatorcontrib>Fehri, Younes</creatorcontrib><creatorcontrib>Sakly, Cyrine</creatorcontrib><creatorcontrib>Lassoued, Narjess</creatorcontrib><creatorcontrib>Hilali, Muhi Eddine</creatorcontrib><collection>CrossRef</collection><jtitle>Animal science journal</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Rekik, Mourad</au><au>Taboubi, Rahma</au><au>Ben Salem, Imene</au><au>Fehri, Younes</au><au>Sakly, Cyrine</au><au>Lassoued, Narjess</au><au>Hilali, Muhi Eddine</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Melatonin administration enhances the reproductive capacity of young rams under a southern M editerranean environment</atitle><jtitle>Animal science journal</jtitle><date>2015-07</date><risdate>2015</risdate><volume>86</volume><issue>7</issue><spage>666</spage><epage>672</epage><pages>666-672</pages><issn>1344-3941</issn><eissn>1740-0929</eissn><abstract>This study tested the effect of melatonin treatment, initiated in late
F
ebruary on reproductive traits of young rams. A total of 14 young
B
arbarine rams were used. Seven animals were treated with three melatonin subcutaneous implants (
M
elatonin) on 28
F
ebruary while the remaining rams remained untreated (
C
ontrol). After 60 days of melatonin administration, scrotal circumference reached average values of 32.1 ± 1.54 and 29.5 ± 1.0 cm for
M
elatonin and
C
ontrol animals, respectively (
P
< 0.05). Semen characteristics did not differ between groups; melatonin treatment tended (
P
= 0.091) to increase sperm concentration 60 days after implantation when means reached 5.87 ± 0.703 and 4.61 ± 0.654 × 10
9
spermatozoa/mL for
M
elatonin and
C
ontrol rams, respectively. Melatonin treatment significantly affected total activity time, number of lateral approaches and mount attempts in comparison to controls. During a 6‐h sampling period, mean plasma testosterone concentrations increased as a result of melatonin treatment (
P
< 0.001) and testosterone pulse frequency averaged 3.45 ± 2.24 and 1.25 ± 1.0 (
P
= 0.086) for
M
elatonin and
C
ontrol rams. Data clearly suggest that abrupt treatment of young rams with melatonin implants in winter is sufficient to improve reproductive traits.</abstract><doi>10.1111/asj.12350</doi><tpages>7</tpages></addata></record> |
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| ispartof | Animal science journal, 2015-07, Vol.86 (7), p.666-672 |
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| language | eng |
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| source | Access via Wiley Online Library; Alma/SFX Local Collection |
| title | Melatonin administration enhances the reproductive capacity of young rams under a southern M editerranean environment |
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