Lucia Tri Suwanti, - and Inggarsetya Syah Audini, - and Setiawan Koesdarto, - and Emmanuel Djoko Poetranto, - (2018) Morphologic and morphometric characteristics of ascaroid worm, Ophidascaris piscatori in Xenochrophis piscator snake in Sidoarjo, Indonesia. Veterinary World, 11 (8). pp. 1159-1163. ISSN 0972-8988, EISSN: 2231-0916

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Abstract

Aim: The study was conducted to describe the morphology and morphometry of nematode worm in the stomach of Xenochrophis piscator snake macroscopically and microscopically using light and scanning electron microscopy (SEM). Materials and Methods: The sample was 40 nematode worms that have been collected from 60 snakes which slaughtered at snake slaughterhouses in Sidoarjo, Indonesia. The worms (10 male and 10 female) were stained with carmine, and the others were sent to Indonesian Science Institute for ultrastructure observation by SEM. Some of the female worms were immersed in physiological NaCl and incubated to collect the worm eggs. Results: Nematode worm in this study had three lips with almost the same size and it had papillae, so it was included in ascaridoid. The mouth of ascaridoids has three lips, the dorsal bearing two large outer papillae and the each lateroventral with one papilla. The body length and width of the male worm were 70-105 mm and 0.92 1.32, respectively, with head diameter of 0.22-0.28 mm. Dorsal and ventrolateral lips almost have the same size that was 0.10-0.12×0.11-0.13 mm. The length of interlabia was 0.06-0.08 mm, esophagus was 3.21-4 mm, tail was 0.17-0.23 mm, and spicule was 2.12-3.36 mm. The body length and width of the female worm were 85-130 mm and 1.28-1.71 mm, respectively. The head diameter was 0.29-0.38 mm. Dorsal and ventrolateral lips almost have the same size that was 0.13-0.16×0.15-0.19 mm. The interlabial length was 0.08-0.10 mm, esophagus was 3.04-4.67 mm, and tail was 0.22-0.31 mm. The distance of the vulva from the anterior edge was 56-88 mm with an average of 67.35 mm. The eggs have conspicuously pitted with length 0.08-0.09 mm and width 0.07-0.08 mm. Conclusion: Based on the characteristics of morphology and morphometry, the ascaroid worms found on X. piscator snake from Sidoarjo, Indonesia, were O. piscatori. Keywords: carmine, Ophidascaris piscatori, scanning electron microscopy, Sidoarjo Indonesia, Xenochrophis piscator snake

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