Characterization of Oestrous Induction Response, Oestrous Duration, Fecundity and Fertility in Awassi Ewes During the Non-breeding Season Utilizing both CIDR and Intravaginal Sponge Treatments

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dc.contributor.authorOzyurtlu, N.
dc.contributor.authorKucukaslan, I.
dc.contributor.authorCetin, Y.
dc.date.accessioned2024-04-24T17:11:32Z
dc.date.available2024-04-24T17:11:32Z
dc.date.issued2010
dc.departmentDicle Üniversitesien_US
dc.description.abstractContents The aim of this study was to investigate characterization of oestrous response, onset of induced oestrus, oestrous duration, fecundity and fertility in Awassi ewes treatment with intravaginal sponges and Controlled Intravaginal Drug Release (CIDR) devices in combination with pregnant mare serum gonadotropin (PMSG) under local environmental conditions during the non-breeding season. A total of 62 ewes were divided into three groups. Group CIDR (n = 20) was treated with CIDR devices for 12 days and 400 IU PMSG was injected upon removal of the CIDR. For ewes in Group Sponge (SP) (n = 24), 30 mg fluorogestone acetate was administered to the sheep for 12 days and 400 IU PMSG was injected upon withdrawal of the sponge. Group Control (CON) (n = 18) served as a control group and received no treatment. Adult, intact and sexually experienced Awassi rams were introduced to all groups at the time when the intravaginal devices were removed. There were no significant differences in terms of oestrous response (CIDR: 90%, SP: 87.5%), time to onset of oestrus and duration of induced oestrus between the CIDR and SP groups. The oestrous response of treatment groups was significantly greater (p < 0.05) than in the control ewes. There were no significant differences in pregnancy (CIDR: 70%, SP: 70.8%), lambing (CIDR: 85%, SP: 79.2%) and fecundity rates between ewes treated with CIDR and those treated with sponges. However, pregnancy and lambing rates were significantly (p < 0.05) higher in ewes treated with CIDR or sponges when compared with those in the control group. It was concluded that it is possible to induce fertile oestrus, successful pregnancy and lambing with the treatment of either CIDR or intravaginal sponge in combination with PMSG in Awassi ewes during the non-breeding season.en_US
dc.identifier.doi10.1111/j.1439-0531.2008.01246.x
dc.identifier.endpage467en_US
dc.identifier.issn0936-6768
dc.identifier.issn1439-0531
dc.identifier.issue3en_US
dc.identifier.pmid19210661
dc.identifier.scopus2-s2.0-77954096423
dc.identifier.scopusqualityQ2
dc.identifier.startpage464en_US
dc.identifier.urihttps://doi.org/10.1111/j.1439-0531.2008.01246.x
dc.identifier.urihttps://hdl.handle.net/11468/17586
dc.identifier.volume45en_US
dc.identifier.wosWOS:000277873000014
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoenen_US
dc.publisherWileyen_US
dc.relation.ispartofReproduction in Domestic Animals
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subject[No Keyword]en_US
dc.titleCharacterization of Oestrous Induction Response, Oestrous Duration, Fecundity and Fertility in Awassi Ewes During the Non-breeding Season Utilizing both CIDR and Intravaginal Sponge Treatmentsen_US
dc.titleCharacterization of Oestrous Induction Response, Oestrous Duration, Fecundity and Fertility in Awassi Ewes During the Non-breeding Season Utilizing both CIDR and Intravaginal Sponge Treatments
dc.typeArticleen_US

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