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Comparison of morphological characters between wild and cultured sterlet (acipenser ruthenus l.)

Authorized Users Only
2012
Authors
Lenhardt, Mirjana
Jarić, Ivan
Cvijanović, Gorčin
Kolarević, J.
Gačić, Zoran
Smederevac-Lalić, Marija
Višnjić Jeftić, Željka
Article (Published version)
Metadata
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Abstract
Sterlet (Acipenser ruthenus L.) populations in the Danube River had experienced severe decline during the 20th century, and have become dependant on stocking measures in significant area of their distribution. Despite the current wide use of stocking, there are few studies dealing with efficiency of stocking efforts, especially with impact of rearing conditions on fitness of released individuals. This study tried to assess existence of morphological changes in reared sterlet that could impact their swimming performance and thus reduce survival of stocked fish. Wild sterlet (n=45) from the Danube River were compared with sterlet from aquaculture (n=20), originating from wild Danube spawners. Statistical comparison of 15 morphological traits revealed that samples significantly differed in 11 traits, as well as that reared sterlet had significantly shorter pectoral fins and stockier body than those from the wild. Additional investigation is needed to determine if these morphological diffe...rences could affect adaptability and survival of reared sterlet after their release into the river. Period of adaptation in lotic environment, prior to stocking, could probably alleviate the influence of aquaculture rearing on the fitness of released fish.

Keywords:
sturgeon / pectoral fin / Fulton factor / Danube River / biometry / Acipenseridae
Source:
Slovenian Veterinary Research, 2012, 49, 4, 177-184
Funding / projects:
  • Fishes as water quality indicators in open waters of Serbia (RS-173045)

ISSN: 1580-4003

WoS: 000313266900003

Scopus: 2-s2.0-84873695566
[ Google Scholar ]
5
2
Handle
https://hdl.handle.net/21.15107/rcub_rimsi_573
URI
http://rimsi.imsi.bg.ac.rs/handle/123456789/573
Collections
  • Radovi istraživača / Researchers’ publications
Institution/Community
Institut za multidisciplinarna istraživanja
TY  - JOUR
AU  - Lenhardt, Mirjana
AU  - Jarić, Ivan
AU  - Cvijanović, Gorčin
AU  - Kolarević, J.
AU  - Gačić, Zoran
AU  - Smederevac-Lalić, Marija
AU  - Višnjić Jeftić, Željka
PY  - 2012
UR  - http://rimsi.imsi.bg.ac.rs/handle/123456789/573
AB  - Sterlet (Acipenser ruthenus L.) populations in the Danube River had experienced severe decline during the 20th century, and have become dependant on stocking measures in significant area of their distribution. Despite the current wide use of stocking, there are few studies dealing with efficiency of stocking efforts, especially with impact of rearing conditions on fitness of released individuals. This study tried to assess existence of morphological changes in reared sterlet that could impact their swimming performance and thus reduce survival of stocked fish. Wild sterlet (n=45) from the Danube River were compared with sterlet from aquaculture (n=20), originating from wild Danube spawners. Statistical comparison of 15 morphological traits revealed that samples significantly differed in 11 traits, as well as that reared sterlet had significantly shorter pectoral fins and stockier body than those from the wild. Additional investigation is needed to determine if these morphological differences could affect adaptability and survival of reared sterlet after their release into the river. Period of adaptation in lotic environment, prior to stocking, could probably alleviate the influence of aquaculture rearing on the fitness of released fish.
T2  - Slovenian Veterinary Research
T1  - Comparison of morphological characters between wild and cultured sterlet (acipenser ruthenus l.)
EP  - 184
IS  - 4
SP  - 177
VL  - 49
UR  - https://hdl.handle.net/21.15107/rcub_rimsi_573
ER  - 
@article{
author = "Lenhardt, Mirjana and Jarić, Ivan and Cvijanović, Gorčin and Kolarević, J. and Gačić, Zoran and Smederevac-Lalić, Marija and Višnjić Jeftić, Željka",
year = "2012",
abstract = "Sterlet (Acipenser ruthenus L.) populations in the Danube River had experienced severe decline during the 20th century, and have become dependant on stocking measures in significant area of their distribution. Despite the current wide use of stocking, there are few studies dealing with efficiency of stocking efforts, especially with impact of rearing conditions on fitness of released individuals. This study tried to assess existence of morphological changes in reared sterlet that could impact their swimming performance and thus reduce survival of stocked fish. Wild sterlet (n=45) from the Danube River were compared with sterlet from aquaculture (n=20), originating from wild Danube spawners. Statistical comparison of 15 morphological traits revealed that samples significantly differed in 11 traits, as well as that reared sterlet had significantly shorter pectoral fins and stockier body than those from the wild. Additional investigation is needed to determine if these morphological differences could affect adaptability and survival of reared sterlet after their release into the river. Period of adaptation in lotic environment, prior to stocking, could probably alleviate the influence of aquaculture rearing on the fitness of released fish.",
journal = "Slovenian Veterinary Research",
title = "Comparison of morphological characters between wild and cultured sterlet (acipenser ruthenus l.)",
pages = "184-177",
number = "4",
volume = "49",
url = "https://hdl.handle.net/21.15107/rcub_rimsi_573"
}
Lenhardt, M., Jarić, I., Cvijanović, G., Kolarević, J., Gačić, Z., Smederevac-Lalić, M.,& Višnjić Jeftić, Ž.. (2012). Comparison of morphological characters between wild and cultured sterlet (acipenser ruthenus l.). in Slovenian Veterinary Research, 49(4), 177-184.
https://hdl.handle.net/21.15107/rcub_rimsi_573
Lenhardt M, Jarić I, Cvijanović G, Kolarević J, Gačić Z, Smederevac-Lalić M, Višnjić Jeftić Ž. Comparison of morphological characters between wild and cultured sterlet (acipenser ruthenus l.). in Slovenian Veterinary Research. 2012;49(4):177-184.
https://hdl.handle.net/21.15107/rcub_rimsi_573 .
Lenhardt, Mirjana, Jarić, Ivan, Cvijanović, Gorčin, Kolarević, J., Gačić, Zoran, Smederevac-Lalić, Marija, Višnjić Jeftić, Željka, "Comparison of morphological characters between wild and cultured sterlet (acipenser ruthenus l.)" in Slovenian Veterinary Research, 49, no. 4 (2012):177-184,
https://hdl.handle.net/21.15107/rcub_rimsi_573 .

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