First record of Trichodina heterodentata
The aim of this study was to report the first record of Trichodina heterodentata in banded knifefish Gymnotus carapo. Banded knifefish cultivated in the municipality of Jatai, state of Goias, in the central western region of Brazil, experienced fish mortality rates of 3-4% per tank. Macroscopic anal...
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| Veröffentlicht in: | Brazilian journal of biology 2022-02, Vol.82 |
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| container_title | Brazilian journal of biology |
| container_volume | 82 |
| creator | Sousa-Filho, I.P Moares, R.S Saturnino, K.C Tavares-Dias, M Braga, I.A Ziemniczak, H.M Souto, C.N Ramos, D.G.S |
| description | The aim of this study was to report the first record of Trichodina heterodentata in banded knifefish Gymnotus carapo. Banded knifefish cultivated in the municipality of Jatai, state of Goias, in the central western region of Brazil, experienced fish mortality rates of 3-4% per tank. Macroscopic analysis found that fish had lesions on their skin and gills. Smears of the integument and gills were confectioned and air-dried at room temperature and impregnated with silver nitrate to identify the Trichodinidae species causing the lesions. The trichodinid were identified as T. heterodentata, and their characteristics were compared to those from T. heterodentata recorded from other species of host fish. It was observed that the presence of T. heterodentata was associated with inadequate fish management, low water quality, high rates of stocking density, and inadequate nutritional management. |
| doi_str_mv | 10.1590/1519-6984.240840 |
| format | Article |
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Banded knifefish cultivated in the municipality of Jatai, state of Goias, in the central western region of Brazil, experienced fish mortality rates of 3-4% per tank. Macroscopic analysis found that fish had lesions on their skin and gills. Smears of the integument and gills were confectioned and air-dried at room temperature and impregnated with silver nitrate to identify the Trichodinidae species causing the lesions. The trichodinid were identified as T. heterodentata, and their characteristics were compared to those from T. heterodentata recorded from other species of host fish. It was observed that the presence of T. heterodentata was associated with inadequate fish management, low water quality, high rates of stocking density, and inadequate nutritional management.</description><identifier>ISSN: 1519-6984</identifier><identifier>DOI: 10.1590/1519-6984.240840</identifier><language>eng</language><publisher>Association of the Brazilian Journal of Biology</publisher><ispartof>Brazilian journal of biology, 2022-02, Vol.82</ispartof><rights>COPYRIGHT 2022 Association of the Brazilian Journal of Biology</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,860,27901,27902</link.rule.ids></links><search><creatorcontrib>Sousa-Filho, I.P</creatorcontrib><creatorcontrib>Moares, R.S</creatorcontrib><creatorcontrib>Saturnino, K.C</creatorcontrib><creatorcontrib>Tavares-Dias, M</creatorcontrib><creatorcontrib>Braga, I.A</creatorcontrib><creatorcontrib>Ziemniczak, H.M</creatorcontrib><creatorcontrib>Souto, C.N</creatorcontrib><creatorcontrib>Ramos, D.G.S</creatorcontrib><title>First record of Trichodina heterodentata</title><title>Brazilian journal of biology</title><description>The aim of this study was to report the first record of Trichodina heterodentata in banded knifefish Gymnotus carapo. Banded knifefish cultivated in the municipality of Jatai, state of Goias, in the central western region of Brazil, experienced fish mortality rates of 3-4% per tank. Macroscopic analysis found that fish had lesions on their skin and gills. Smears of the integument and gills were confectioned and air-dried at room temperature and impregnated with silver nitrate to identify the Trichodinidae species causing the lesions. The trichodinid were identified as T. heterodentata, and their characteristics were compared to those from T. heterodentata recorded from other species of host fish. 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Banded knifefish cultivated in the municipality of Jatai, state of Goias, in the central western region of Brazil, experienced fish mortality rates of 3-4% per tank. Macroscopic analysis found that fish had lesions on their skin and gills. Smears of the integument and gills were confectioned and air-dried at room temperature and impregnated with silver nitrate to identify the Trichodinidae species causing the lesions. The trichodinid were identified as T. heterodentata, and their characteristics were compared to those from T. heterodentata recorded from other species of host fish. It was observed that the presence of T. heterodentata was associated with inadequate fish management, low water quality, high rates of stocking density, and inadequate nutritional management.</abstract><pub>Association of the Brazilian Journal of Biology</pub><doi>10.1590/1519-6984.240840</doi></addata></record> |
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| title | First record of Trichodina heterodentata |
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