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Erschienen in: Journal of Parasitic Diseases 3/2015

01.09.2015 | Original Article

Myxobolus nanokiensis sp. nov. (Myxozoa: Bivalvulidae), a new pathogenic myxosporean parasite causing haemorrhagic gill disease in cultured Indian major carp fish, Labeo rohita (Hamilton 1822) in Punjab, India

verfasst von: Harpreet Kaur, Anu Katoch, Shoaib Ali Dar, Ranjeet Singh

Erschienen in: Journal of Parasitic Diseases | Ausgabe 3/2015

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Abstract

The plasmodia of Myxobolus nanokiensis sp. nov. were found infecting gills of Labeo rohita (Hamilton 1822) The infection rate was found to be 36.67 % (30 fishes were examined and 11 fishes were infected) in the Nanoki pond in Patiala district Punjab. Numerous minute plasmodia each filled with 150–200 spores were detected. Smear of scrapped blood-tinged mucous from gills exhibited millions of spores. Histological sections also indicated numerous plasmodia measuring 38.33–40.33 μm in diameter in the blood vessels of gill filaments. Spores of M. nanokiensis sp. nov. were elongate pyriform in shape and morphologically unique in having sharply pointed beak-like anterior end. Spores measured 9.28 μm × 5.71 μm in size. Polar capsules were equal, pyriform, 5.71 × 2.73 μm in size, each having polar filament with 7–9 coils. The present species has been proposed as new on the basis of its peculiar shape and morphometrics. This is the first report of any myxobolid infection in the farmland fishes in Punjab (India). The plasmodia in the gill filaments were of intralamellar vascular type (LV) and were present within the entire length of the filament. These plasmodia caused hemorrhage, necrosis of the blood vessels and cellular infiltration.
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Zurück zum Zitat Singh R, Kaur H (2012c) Thelohanellus (Myxozoa: Myxosporea: Bivalvulida) infections in major carp fishes from Punjab wetlands (India). Protistology 7(3):178–188 Singh R, Kaur H (2012c) Thelohanellus (Myxozoa: Myxosporea: Bivalvulida) infections in major carp fishes from Punjab wetlands (India). Protistology 7(3):178–188
Zurück zum Zitat Thelohan P (1892) Observations sur les myxosporidies et essai de classification de ces organismes. Bull Soc Philomat Paris 4:167–178 Thelohan P (1892) Observations sur les myxosporidies et essai de classification de ces organismes. Bull Soc Philomat Paris 4:167–178
Metadaten
Titel
Myxobolus nanokiensis sp. nov. (Myxozoa: Bivalvulidae), a new pathogenic myxosporean parasite causing haemorrhagic gill disease in cultured Indian major carp fish, Labeo rohita (Hamilton 1822) in Punjab, India
verfasst von
Harpreet Kaur
Anu Katoch
Shoaib Ali Dar
Ranjeet Singh
Publikationsdatum
01.09.2015
Verlag
Springer India
Erschienen in
Journal of Parasitic Diseases / Ausgabe 3/2015
Print ISSN: 0971-7196
Elektronische ISSN: 0975-0703
DOI
https://doi.org/10.1007/s12639-013-0351-0

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