A Pilot Study of selected health biomarkers in cod Gadus morhua L. from the Southern Baltic
PBN-AR
Instytucja
Wydział Matematyczno-Przyrodniczy (Akademia Pomorska w Słupsku)
Informacje podstawowe
Główny język publikacji
en
Czasopismo
Polish Journal of Environmental Studies
ISSN
1230-1485
EISSN
Wydawca
HARD
DOI
URL
Rok publikacji
2016
Numer zeszytu
25
Strony od-do
55-66
Numer tomu
1
Identyfikator DOI
Liczba arkuszy
0,6
Autorzy
Słowa kluczowe
en
Baltic
bioindicators
cod
Gadus morhua
melanomacrophages
Streszczenia
Język
en
Treść
The International Council for the Exploration of the Sea (ICES) listed the cod Gadus morhua as one of the target species for environmental biomonitoring in the Baltic, but only limited data on morphological biomarkers in this fish have been published so far. This pilot study examined cod tissues for the presence of selected biomarkers that have been studied in other target fish species for this region: flounder Platichthys flesus, herring Clupea harengus, and eelpout Zoarces viviparus. Twenty cod were collected in May 2012 off the Polish coast near Ustka. The biomarkers studied included condition factor, macroscopic lesions, morphometry of hepatic and splenic melanomacrophages, ovarian follicular atresia, and histopathology of spleen, liver, and gonads. All fish appeared in good body condition and had no macroscopic lesions except for one with multifocal dermal ulcers. Microscopic lesions were present in all fish, and included biliary myxozoanosis, ovarian microsporidiosis, larval nematodes compatible with Anisakidae, one case of intravascular trematodiasis, necrocentric granulomas, mild inflammatory and toxicopathic hepatocellular lesions, and marked accumulations of splenic melanomacrophages. This pilot study expands the types of microscopic lesions that have been documented as part of biomonitoring efforts in Baltic cod.
Cechy publikacji
ORIGINAL_ARTICLE
Inne
System-identifier
720020
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