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Ovary and vaginal epithelium dynamic during the estrous cycle on Dasyprocta prymnolopha Wagler, 1831 by ultrasound and cytological examination
Artur N. Carreiro¹, João A. R. Alves Diniz², Joyce G. de Souza², Débora V. Fernandes de Araújo², Rômulo F. Francelino Dias2, Liliane M. dos Santos Azerêdo¹, Ediane F. Rocha¹, Ana Yasha F. de La Salles¹, Carlos E. Peña Alfaro2, Maria A. Martins de Carvalho3, Maria J. Illera4, Danilo J. Ayres de Menezes1,5,*
1Post-graduation Program in Veterinary Medicine, Federal University of Campina Grande, Health Center and Rural Tecnology, 58708-110, Patos, Paraíba, Brazil
2Academic Unit of Veterinary Medicine of the Federal University of Campina Grande, Health Center and Rural Tecnology, 58708-110, Patos, Paraíba, Brazil
3Department of Veterinary Morphology, Center of Agrarian Sciences, Federal University of Piaui, Minister Petrônio Portela Campus, 64049-550, Teresina, Piauí, Brazil
4Department of Animal Physiology, Complutense University of Madrid, 28040, Madrid, Spain
5Department of Morphology of the Federal University of Rio Grande do Norte, 59078-970, Natal, Rio Grande do Norte, Brazil
Correspondence to: Tel: +55-84-98101-9198; Fax: +55-84-3215-3431; E-mail: mdanayres@gamail.com
Received: August 11, 2017; Revised: November 25, 2017; Accepted: December 26, 2017; Published online: December 28, 2017.
Abstract
The objective of the present study was to follow and characterize the morphological alterations in ovaries of agouti (Dasyprocta prymnolopha), reared in captivity, by abdominal ultrasonography. All the animals were submitted daily to vaginal cytology to identify the current cycle phases. For each phase, ultrasound examinations were carried out to identify and describe the morphology of both the ovaries regarding each phase of the estrus cycle, establishing topographic parameters in an ultrasound window to locate them. The estrus cycles lasted an average of 29.94 ± 6.7 days. During the vaginal cytology examinations, all the cell types were identified and each phase of the estrus cycles was established by cell count. No significant alterations were observed in the ovarian morphometry measurements taken. In 75% of the animals analyzed, ovarian follicle presence was observed in the proestrus phase.
Keywords: Image diagnostic, Morphology, Reproduction


© 2017 The Korean Society of Veterinary Science.