Scoring of the extent and intensity of carp (Cyprinus Carpio) skin changes made by cormorants (Phalacrocorax carbo sinensis): relationship between morphometric and histological indices
Abstract
Cormorants cause damage to fish in aquaculture not only by consuming large number of fish but also by wounding them. Quantification of the actual damage in fish induced by wounding is important for reliable estimations of the overall loss in aquaculture caused by cormorants. In this study, specimens of mirror and scaly carp ( L.) injured by attacks of great cormorant ( L.) were collected from the "Eka" fish farm in Serbia. Surfaces of superficial and open subepithelial wounds (expressed as a percent of the total body surface), estimated by computer-assisted image analysis, had mean values 10.66 +/- A 1.86 and 0.85 +/- A 0.90, respectively. Histological evaluation of wounds was performed by two scoring systems: system proposed by Bernet et al. (J Fish Dis 22:25-34, 1999) and modified system described by Wahli et al. (Aquaculture 225:371-386, 2003). The most frequent histopathological changes were disturbed epidermal structure and surface cell morphology and increased number of club cell...s (on more than 75% of specimens); increased number of melanocytes and their distribution in different layers in dermis; and enlarged hypodermis (more than 80% of samples) and myolysis (50% of samples). Comparison of wounds' surfaces (surface of superficial injures) and histopathological changes, estimated by two scoring systems, revealed significant positive correlation. Bernet's scoring system showed higher correlation coefficients, when compared with the modified Wahli's scoring system.
Keywords:
Skin injuries / Scoring system / Histopathological changes / Cormorant / CarpSource:
Aquaculture International, 2012, 20, 3, 525-535Publisher:
- Springer, Dordrecht
Funding / projects:
- Improvement of production capacities of the carp (Cyprinus carpio L) using feeding and selective breeding programs (RS-31075)
- Fishes as water quality indicators in open waters of Serbia (RS-173045)
- Ministry of Science and Technological Development of the Republic of SerbiaMinistry of Education, Science & Technological Development, Serbia
DOI: 10.1007/s10499-011-9483-3
ISSN: 0967-6120
WoS: 000304102300011
Scopus: 2-s2.0-84860885082
Collections
Institution/Community
Institut za multidisciplinarna istraživanjaTY - JOUR AU - Skorić, Stefan AU - Rasković, Božidar AU - Poleksic, Vesna AU - Gačić, Zoran AU - Lenhardt, Mirjana PY - 2012 UR - http://rimsi.imsi.bg.ac.rs/handle/123456789/546 AB - Cormorants cause damage to fish in aquaculture not only by consuming large number of fish but also by wounding them. Quantification of the actual damage in fish induced by wounding is important for reliable estimations of the overall loss in aquaculture caused by cormorants. In this study, specimens of mirror and scaly carp ( L.) injured by attacks of great cormorant ( L.) were collected from the "Eka" fish farm in Serbia. Surfaces of superficial and open subepithelial wounds (expressed as a percent of the total body surface), estimated by computer-assisted image analysis, had mean values 10.66 +/- A 1.86 and 0.85 +/- A 0.90, respectively. Histological evaluation of wounds was performed by two scoring systems: system proposed by Bernet et al. (J Fish Dis 22:25-34, 1999) and modified system described by Wahli et al. (Aquaculture 225:371-386, 2003). The most frequent histopathological changes were disturbed epidermal structure and surface cell morphology and increased number of club cells (on more than 75% of specimens); increased number of melanocytes and their distribution in different layers in dermis; and enlarged hypodermis (more than 80% of samples) and myolysis (50% of samples). Comparison of wounds' surfaces (surface of superficial injures) and histopathological changes, estimated by two scoring systems, revealed significant positive correlation. Bernet's scoring system showed higher correlation coefficients, when compared with the modified Wahli's scoring system. PB - Springer, Dordrecht T2 - Aquaculture International T1 - Scoring of the extent and intensity of carp (Cyprinus Carpio) skin changes made by cormorants (Phalacrocorax carbo sinensis): relationship between morphometric and histological indices EP - 535 IS - 3 SP - 525 VL - 20 DO - 10.1007/s10499-011-9483-3 ER -
@article{ author = "Skorić, Stefan and Rasković, Božidar and Poleksic, Vesna and Gačić, Zoran and Lenhardt, Mirjana", year = "2012", abstract = "Cormorants cause damage to fish in aquaculture not only by consuming large number of fish but also by wounding them. Quantification of the actual damage in fish induced by wounding is important for reliable estimations of the overall loss in aquaculture caused by cormorants. In this study, specimens of mirror and scaly carp ( L.) injured by attacks of great cormorant ( L.) were collected from the "Eka" fish farm in Serbia. Surfaces of superficial and open subepithelial wounds (expressed as a percent of the total body surface), estimated by computer-assisted image analysis, had mean values 10.66 +/- A 1.86 and 0.85 +/- A 0.90, respectively. Histological evaluation of wounds was performed by two scoring systems: system proposed by Bernet et al. (J Fish Dis 22:25-34, 1999) and modified system described by Wahli et al. (Aquaculture 225:371-386, 2003). The most frequent histopathological changes were disturbed epidermal structure and surface cell morphology and increased number of club cells (on more than 75% of specimens); increased number of melanocytes and their distribution in different layers in dermis; and enlarged hypodermis (more than 80% of samples) and myolysis (50% of samples). Comparison of wounds' surfaces (surface of superficial injures) and histopathological changes, estimated by two scoring systems, revealed significant positive correlation. Bernet's scoring system showed higher correlation coefficients, when compared with the modified Wahli's scoring system.", publisher = "Springer, Dordrecht", journal = "Aquaculture International", title = "Scoring of the extent and intensity of carp (Cyprinus Carpio) skin changes made by cormorants (Phalacrocorax carbo sinensis): relationship between morphometric and histological indices", pages = "535-525", number = "3", volume = "20", doi = "10.1007/s10499-011-9483-3" }
Skorić, S., Rasković, B., Poleksic, V., Gačić, Z.,& Lenhardt, M.. (2012). Scoring of the extent and intensity of carp (Cyprinus Carpio) skin changes made by cormorants (Phalacrocorax carbo sinensis): relationship between morphometric and histological indices. in Aquaculture International Springer, Dordrecht., 20(3), 525-535. https://doi.org/10.1007/s10499-011-9483-3
Skorić S, Rasković B, Poleksic V, Gačić Z, Lenhardt M. Scoring of the extent and intensity of carp (Cyprinus Carpio) skin changes made by cormorants (Phalacrocorax carbo sinensis): relationship between morphometric and histological indices. in Aquaculture International. 2012;20(3):525-535. doi:10.1007/s10499-011-9483-3 .
Skorić, Stefan, Rasković, Božidar, Poleksic, Vesna, Gačić, Zoran, Lenhardt, Mirjana, "Scoring of the extent and intensity of carp (Cyprinus Carpio) skin changes made by cormorants (Phalacrocorax carbo sinensis): relationship between morphometric and histological indices" in Aquaculture International, 20, no. 3 (2012):525-535, https://doi.org/10.1007/s10499-011-9483-3 . .