2009
DOI: 10.1590/s0102-09352009000200005
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Coleta transcervical de embriões em ovinos da raça Dorper no semiárido do nordeste brasileiro

Abstract: RESUMOEstudou-se o efeito da aplicação de misoprostol intravaginal, na dilatação cervical de ovelhas Dorper, com o objetivo de se viabilizar a coleta transcervical de embriões. Para isso, 68 fêmeas foram sincronizadas com dispositivo intravaginal de progesterona, superovuladas com FSHp, inseminadas por laparoscopia com sêmen fresco, 36 horas após a remoção do dispositivo intravaginal, e submetidas à coleta transcervical de embriões. Os animais foram distribuídos em dois tratamentos: tratamento 1 (n=10), contro… Show more

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Cited by 28 publications
(33 citation statements)
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“…The duration of embryo flushing approached to 25 min in both treatment groups. This time is similar to 30 min reported in Dorper sheep, also receiving epidural anaesthesia (Gusmão et al., ), or cervical (26 min) and laparoscopic (30 min) embryo recovery in Crioula wool sheep (Oliveira et al., ). In addition, the overall flushing fluid recovery (~93%) appeared to be satisfactory, and it was similar to the 95% recovery rate reported by Gusmão et al.…”
Section: Discussionsupporting
confidence: 84%
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“…The duration of embryo flushing approached to 25 min in both treatment groups. This time is similar to 30 min reported in Dorper sheep, also receiving epidural anaesthesia (Gusmão et al., ), or cervical (26 min) and laparoscopic (30 min) embryo recovery in Crioula wool sheep (Oliveira et al., ). In addition, the overall flushing fluid recovery (~93%) appeared to be satisfactory, and it was similar to the 95% recovery rate reported by Gusmão et al.…”
Section: Discussionsupporting
confidence: 84%
“…While Gusmão et al. (, ) used two perforating Pozzi forceps, the present study used the Embrapa forceps, which provided sufficient cervical immobilization and retraction. Thus, the technique currently applied significantly reduces the number of forceps and hence potential vaginal injuries or abrasions.…”
Section: Discussionmentioning
confidence: 96%
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“…En pequeños rumiantes aún no es utilizada en la misma proporción que en bovinos, y esto probablemente se debe a la peculiaridad anatómica del cérvix, que dificulta su transposición y requiere mano de obra entrenada para ejecutarla de forma segura, principalmente en la especie ovina. Se ha estudiado la posibilidad de causar dilatación cervical en las ovejas utilizando diferentes tipos de hormonas y aun combinaciones de ellas, destacándose los resultados obtenidos con el uso de prostaglandina e que, aunado al uso de pinzamiento del cérvix y el uso de dilatadores físi-cos (tipo catéter), han permitido realizar con éxito inseminaciones artificiales transcervicales y lavados de embriones (Gusmão et al, 2009). El objetivo de este estudio es implementar estrategias que faciliten la aplicabilidad de biotecnologías reproductivas bási-cas como la ia y la te en hembras ovinas del departamento de Santander (Colombia), y contribuir al conocimiento del perfil metabólico de rebaños ovinos localizados en Colombia.…”
Section: Introductionunclassified