Effect of deslorelin acetate treatment in oocyte recovery and in vitro embryo production in domestic cats

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dc.creatorCamila Louise Ackermann
dc.creatorEduardo Trevisol
dc.creatorLetícia Ferrari Crocomo
dc.creatorTatiana da Silva Rascado
dc.creatorRodrigo Volpato
dc.creatorCarlos Renato de Freitas Guaitolini
dc.creatorCarlize Lopes
dc.creatorTalita de Almeida Costa
dc.creatorMaria Denise Lopes
dc.date.accessioned2023-04-25T21:29:17Z
dc.date.accessioned2025-09-09T00:48:46Z
dc.date.available2023-04-25T21:29:17Z
dc.date.issued2017
dc.identifier.doihttps://doi.org/10.1177/1098612X16680697
dc.identifier.issn1532-2750
dc.identifier.urihttps://hdl.handle.net/1843/52487
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofJournal of Feline Medicine and Surgery
dc.rightsAcesso Restrito
dc.subjectGato
dc.subjectFertilização in vitro
dc.subjectEmbriologia veterinaria
dc.subject.otherCats
dc.subject.otherFertilization in Vitro
dc.subject.otherOocytes
dc.titleEffect of deslorelin acetate treatment in oocyte recovery and in vitro embryo production in domestic cats
dc.typeArtigo de periódico
local.citation.epage1095
local.citation.issue10
local.citation.spage1091
local.citation.volume19
local.description.resumoObjectives The present study investigated the effect of contraceptive treatment with deslorelin acetate on in vitro embryo production and oocyte recovery in domestic queens. Methods Twenty-one mature domestic cats were used. Eleven queens (treated group) and one tom were kept in an experimental cattery, and 10 queens were privately owned (control group). When in interestrus or diestrus (day 0) a deslorelin acetate implant (Suprelorin, 4.7 mg/animal) was inserted into the subcutaneous tissue of the interscapular region in all queens in the treated group. After 6 months of treatment, all animals were ovariohysterectomized, and the ovaries were used for in vitro embryo production. Percentage of cleavage was determined 18 h after oocyte insemination and blastocyst formation was assessed on the eighth day of culture. The rate of cumulus-oocyte complexes (COCs) recovery was analyzed by an unpaired t-test. The cleavage and blastocyst rates were expressed as percentages and analyzed by Fisher's exact test. All analyses were performed using GraphPad Prism v5.0, with P <0.05 set as the level of significance. Results In the treated group, we recovered 8.3 ± 1.15 grade I COCs per queen; the cleavage rate was 60% and the blastocyst rate was 36%. In the control group, we recovered 18.4 ± 3.21 grade I COCs per queen; the cleavage rate was 55.97% and the blastocyst rate was 34%. Forty percent of treated females did not produce any blastocysts. In the treated group, we observed a significant decrease in COC recovery. Although there was no significant difference in cleavage and blastocyst rates between groups, 40% of treated females did not produce any blastocysts. Conclusions Recovery of grade I COCs is negatively affected by deslorelin treatment in domestic cats. Regarding embryo production, new studies are still necessary to evaluate the success of this technique owing to the individual effect caused by deslorelin acetate.
local.publisher.countryBrasil
local.publisher.departmentICA - INSTITUTO DE CIÊNCIAS AGRÁRIAS
local.publisher.initialsUFMG
local.url.externahttps://pubmed.ncbi.nlm.nih.gov/27913778/

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