Wild sturgeon populations have declined dramatically worldwide due to habitat degradation,such as river fragmentation,caused by anthropogenic pressures including legal and illegal overfishing and pollution.Rearing and...Wild sturgeon populations have declined dramatically worldwide due to habitat degradation,such as river fragmentation,caused by anthropogenic pressures including legal and illegal overfishing and pollution.Rearing and releasing juvenile fish into natural water bodies is one method to restore biological resources.This study aimed to:(1)examine the spectrum of conditionally pathogenic bacteria causing pathological processes in domesticated sterlet(Acipenser ruthenus Linnaeus,1758);(2)investigate the effects of pathogenic bacteria on fish internal organs using combined histological techniques for tissue treatment;(3)identify tissues as biomarkers for assessing the impact of bacterial co-infection in sturgeon;and(4)evaluate the role of these infections in fish domestication.Liver damage was the primary clinical manifestation during co-bacterial infection in all tested fish.Additionally,shifts in liver cell functions and cytological characteristics were observed.展开更多
基金funded by the National Academy of Agrarian Sciences of Ukraine(state registration No.0116U001224)within the framework of the research work:"To research mechanisms of invasive and infectious fish diseases'spreading in freshwater aquaculture of Ukraine”financial support of the Ministry of Education and Science of Ukraine under the research program plan of the State Higher Educational Institution“Kherson Agrarian University”on the topic“Microanatomical Characteristics of the Ichthyofauna of Inland Water Bodies of Various Origins and Designated Purposes”(state registration number 0117U002809)funded under the EU's Marie Skłodowska-Curie Actions,the MSCA4Ukraine Fellowship Scheme,within the framework of the research study“Study of the protective potential of probiotics in combination with nanoparticles during long-term exposure to juvenile fish to assess possible risks”(ID 1232728).
文摘Wild sturgeon populations have declined dramatically worldwide due to habitat degradation,such as river fragmentation,caused by anthropogenic pressures including legal and illegal overfishing and pollution.Rearing and releasing juvenile fish into natural water bodies is one method to restore biological resources.This study aimed to:(1)examine the spectrum of conditionally pathogenic bacteria causing pathological processes in domesticated sterlet(Acipenser ruthenus Linnaeus,1758);(2)investigate the effects of pathogenic bacteria on fish internal organs using combined histological techniques for tissue treatment;(3)identify tissues as biomarkers for assessing the impact of bacterial co-infection in sturgeon;and(4)evaluate the role of these infections in fish domestication.Liver damage was the primary clinical manifestation during co-bacterial infection in all tested fish.Additionally,shifts in liver cell functions and cytological characteristics were observed.
