The aim of this study was to obtain new knowledge and show the possibility of the use of ultrasonographic (USG) examinations in reptilian medicine. As reptiles are patients brought to veterinary clinic in smaller numbers, we focused on the indications and limits of this type of examination in individual groups of reptiles. In the period of 2014—2015 we examined by ultrasound, 28 reptiles with the aim to diagnose gravidity, reproductive problems and to determine their gender. At the same time we examined the internal organs and their availability for potential USG examinations. We also investigated: the issues related to fixation and positioning of the patients; selection of suitable examination probes; and the ways of their application to a suitable body area. The experimental part of our study was focused on the examination of the reproductive apparatus of reptiles. We monitored: individual phases of gravidity in selected reptilian species; evaluated development of follicles in ovaries; and the development of eggs after successful mating up to their laying. We described the pathological states of reproductive organs and the suitability of this examination for the determination of gender.
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