Effects of melatonin implants on reproductive performance of dairy sheep and dairy goats

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dc.authoridTölü, Cemil/0000-0002-6135-4502
dc.authoridSavaş, Türker/0000-0002-3558-2296
dc.contributor.authorTölü, Cemil
dc.contributor.authorYazgan, Nazif
dc.contributor.authorAkbag, Hande Isil
dc.contributor.authorYurtman, Ismail Yaman
dc.contributor.authorSavaş, Türker
dc.date.accessioned2025-01-27T20:29:23Z
dc.date.available2025-01-27T20:29:23Z
dc.date.issued2022
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractContents This study investigated the effects of melatonin implants in the female and male animals before the breeding season on the reproductive performance of Tahirova sheep and Turkish Saanen goats. Seventy-five sheep and 53 goats (including 6 rams and 4 bucks) were used in the research. Melatonin implants (18 mg) were applied to half of the female and male animals, one to female animals and three to male animals. The rate of oestrus was determined as 100% in the melatonin (M) and control (C) groups. The non-return rate, conception rate and lambing rate were close in both groups of ewes and rams groups (p > .05). The rate of oestrus was 100% in the melatonin and control groups of does and bucks groups in Turkish Saanen goats. The non-return rate in does was 75.0 +/- 9.02% in M group and 92.0 +/- 5.53% in C group (p = .0101), the non-return rate was 83.3 +/- 6.92% in group M and 84.2 +/- 8.59% in group C for bucks (p = .5570). For ewes, the duration from ram introduction to first oestrus, conception and lambing was significantly lower in group M than in group C (p <= .05). Litter size of M in ewe and ram groups were 1.70 +/- 0.08 and 1.59 +/- 0.09, respectively, whereas it was 1.62 +/- 0.10 and 1.74 +/- 0.10 in C group, respectively. Birth weight significantly differed between ewe groups (p = .0017). For goats, the duration from buck introduction to first oestrus, conception and lambing was similar in the groups of does and bucks (p > .05). Litter size of M in doe and buck groups were 1.57 +/- 0.11 and 1.53 +/- 0.12, respectively, and 1.46 +/- 0.11and 1.50 +/- 0.09 in C group, respectively (p > .05). While the live weight and body condition score (BCS) of ewes were significantly affected by melatonin implants (p <= .05), the live weight and BCS of does were not affected. In conclusion, it might be said that melatonin implants obtained better results for reproduction in Tahirova sheep than Turkish Saanen goats.
dc.description.sponsorshipScientific Research Projects Coordination Unit of Canakkale Onsekiz Mart University [FBA-2018-2601]
dc.description.sponsorshipThe Scientific Research Projects Coordination Unit of Canakkale Onsekiz Mart University for supporting this study (project number: FBA-2018-2601)
dc.identifier.doi10.1111/rda.14107
dc.identifier.endpage672
dc.identifier.issn0936-6768
dc.identifier.issn1439-0531
dc.identifier.issue6
dc.identifier.pmid35247006
dc.identifier.scopus2-s2.0-85126024271
dc.identifier.scopusqualityQ2
dc.identifier.startpage665
dc.identifier.urihttps://doi.org/10.1111/rda.14107
dc.identifier.urihttps://hdl.handle.net/20.500.12428/22929
dc.identifier.volume57
dc.identifier.wosWOS:000766948300001
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherWiley
dc.relation.ispartofReproduction in Domestic Animals
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20250125
dc.subjectbirth weight
dc.subjectconception
dc.subjectfertility
dc.subjectlive weight
dc.subjectnon-return rate
dc.titleEffects of melatonin implants on reproductive performance of dairy sheep and dairy goats
dc.typeArticle

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