A. Indrawati, ,- and S. Safika, ,- and S. Ningrum, ,- and K. Aulia, ,- and H. Maheshwari, ,- and S. Andriyono, ,- (2023) Fecal and gastric fluid microbiome profiles in the indopacific bottlenose dolphins (Tursiops aduncus). Journal of Veterinary Sciences, 37 (1). ISSN 1607-3894

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Abstract

The microbiota of the gastrointestinal system of dolphins has received significant interest recently. Moreover, little is understood about the microbiomes found in the stomachs of Indo-Pacific bottlenose dolphins (Tursiops aduncus). This study aimed to evaluate the biodiversity of bacterial microbiota in the digestive system of T. aduncus. In the present study, 18 samples were obtained from an ex-situ conservation area, Wersut Seguni Indonesia, Kendal, Indonesia, and processed for bacterial DNA extraction. A total of 7 samples were qualified as representative samples for the 16S metagenomic sequencing. The bacterial composition revealed that the Shewanellaceae was significantly higher in the stomach than in the gut. As a result, the abundance of the microbiome in gastric and stool samples showed significant differences. In contrast, the Peptostreptococcaceae was found in greater abundance in the gut than in the stomach. At the species level, we successfully found emerging zoonotic pathogens involving Shewanella algae and Shewanella xiamenensis. This report is the first study to explore the bacterial diversity in gastro of T. aduncus.

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