Histological study of gastrointestinal tract and accessory glands in mature Shemaya (Alburnus chalcoides), Roach (Rutilus rutilus caspicus) and goldfish (Carassius auratus auratus)

Document Type : Research Paper

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Abstract

Shemaya (Alburnus chalcoides), Roach (Rutilus rutilus caspicus) and goldfish (Carassius auratus auratus) were belonging to the family Cyprinidae. The aim of this study was to observe the gastrointestinal tract of these fish. After the sampling, gastrointestinal tract and its accessory glands were taken and studied trough histological procedure using H&E staining. The age of the fish was 2 to 3 years old. Three examined species the digestive system was made up of esophagus and intestine and the accessory glands were liver and hepatopancreas around the intestine. Esophagus was short with small foldings compare to the intestine. The intestinal foldings were high and lanceolate in Roach, but round-tip in Shemaya and goldfish. The foldings have high density in anterior part of the intestine with minor differences between examined species. Goblet cells were observed in esophagus and intestine with higher density at posterior part of the intestine. Liver and hepatopancreas were close or apart from each other along the gastrointestinal tract. In conclusion, it has been observed that these three species has some common characteristics in digestive system structure with some species specific properties.

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Iranian Scientific Fisheries Journal
Volume 27, Issue 1
March and April 2018
Pages 139-148

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