First report of <i>Cyprinid herpesvirus 2</i> outbreak in cultured gibel carp, <i><scp>Carassius auratus</scp> gibelio</i> at low temperature

Ouyang, Ping; Zhou, Yong; Wang, Kaiyu; Geng, Yi; Lai, Weiming; Huang, Xiaoli; Chen, Defang; Guo, Hongrui; Fang, Jing; Chen, Zhengli; Tang, Li; Huang, Chao; Li, Wentao; Yin, Lizi

doi:10.1111/jwas.12681

Cited by 5 publications

(3 citation statements)

References 27 publications

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“…CyHV-2 decreases its pathogenicity when the temperature exceeds 27°C (Goodwin et al 2009). Recently, Ouyang et al (2020) reported an outbreak of CyHV-2 disease in gibel carp, C. auratus gibelio at a non-permissive temperature of 10°C. The disease can cause severe mortality to all sizes of fish (Wu et al 2013).…”

Section: Introductionmentioning

confidence: 99%

Cyprinid herpesvirus‐2 (CyHV‐2): a comprehensive review

Thangaraj

Nithianantham

Dharmaratnam

et al. 2020

Reviews in Aquaculture

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Cyprinid herpesvirus-2 (CyHV-2) is a linear double-stranded DNA virus in the genus Cyprinivirus of family Alloherpesviridae. The virus is known to be highly pathogenic to ornamental goldfish (Carassius auratus), crucian carp (C. carassius) and Gibel carp (C. auratus gibelio), and also to the hybrids of goldfish and other carps. Cyprinid herpesvirus-2, having the smallest genome (290.3 kb) among Cyprinivirus, causes herpesviral hematopoietic necrosis disease (HVHND) that results in huge economic losses in aquaculture industry as the disease can cause high mortality (50-100%) among the affected fish. The disease was initially reported as the cause of epizootics in juvenile goldfish of Japan during 1992 and 1993. To date, this disease has been reported around the world including Europe, North America, Oceania and Asia. Huge economic losses due to the CyHV-2 infection among cultured gibel carp in China, during 2011-2012, mass mortality in crucian carp during 2012 in Italy, 95% mortality in goldfish during 2014 in France, 85% mortality in goldfish during 2016 in Poland had been reported. Strategies for controlling the spread of CyHV-2 are thus urgently required to limit economic damage. Furthermore, the review will shed light on lacunae in current knowledge as well as on the perspectives that merits further investigations on CyHV-2 research. The paper forms the first comprehensive overview of CyHV-2 causing a serious economically significant fish disease and, will be helpful for the researchers to get all related information from a single manuscript.

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Section: Introductionmentioning

confidence: 99%

Cyprinid herpesvirus‐2 (CyHV‐2): a comprehensive review

Thangaraj

Nithianantham

Dharmaratnam

et al. 2020

Reviews in Aquaculture

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show abstract

“…After reaching a peak incidence in the population, the most common (clonal gynogenetic) phenotype is becoming more vulnerable to attacks by biological enemies than a far less frequent sexual population [ 106 ]. Herpesviral hematopoietic necrosis, caused by cyprinid herpesvirus-2, has affected many natural populations and commercial farms of gynogenetic Carassius biotypes [ 107 , 108 , 109 , 110 , 111 ]. The Red Queen hypothesis predicts evolution towards equilibrium in the populational composition of sexual and asexual biotypes coexisting together and co-evolving with parasites.…”

Section: Equilibrium Between Quantitative Gynogenesis and Qualitative...mentioning

confidence: 99%

A Fish of Multiple Faces, Which Show Us Enigmatic and Incredible Phenomena in Nature: Biology and Cytogenetics of the Genus Carassius

Knytl

Forsythe

Kalous

2022

IJMS

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Sexual vs. asexual reproduction—unisexual vs. bisexual populations—diploid vs. polyploid biotypes—genetic vs. environmental sex determination: all these natural phenomena are associated with the genus of teleost fish, Carassius. This review places emphasis on two Carassius entities with completely different biological characteristics: one globally widespread and invasive Carassius gibelio, and the other C. carassius with a decreasing trend of natural occurrence. Comprehensive biological and cytogenetic knowledge of both entities, including the physical interactions between them, can help to balance the advantages of highly invasive and disadvantages of threatened species. For example, the benefits of a wide-ranged colonization can lead to the extinction of native species or be compensated by parasitic enemies and lead to equilibrium. This review emphasizes the comprehensive biology and cytogenetic knowledge and the importance of the Carassius genus as one of the most useful experimental vertebrate models for evolutionary biology and genetics. Secondly, the review points out that effective molecular cytogenetics should be used for the identification of various species, ploidy levels, and hybrids. The proposed investigation of these hallmark characteristics in Carassius may be applied in conservation efforts to sustain threatened populations in their native ranges. Furthermore, the review focuses on the consequences of the co-occurrence of native and non-native species and outlines future perspectives of Carassius research.

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“…After reaching a peak incidence in the population, the most common (clonal gynogenetic) phenotype is becoming more vulnerable to attacks by biological enemies than a far less frequent sexual population [102]. Herpesviral hematopoietic necrosis, caused by cyprinid herpesvirus-2, has affected many natural populations and commercial farms of gynogenetic Carassius BIOTYPES [103][104][105][106][107]. The Red Queen hypothesis predicts evolution towards equilibrium in populational composition of sexual and asexual BIOTYPES coexisting together and co-evolving with parasites.…”

Section: Equilibrium Between Quantital Gynogenesis and Qualital Sexua...mentioning

confidence: 99%

A Fish of Multiple Faces, which Show us Enigmatic and Incredible Phenomena in Nature: Biology and Cytogenetics of the Genus Carassius

Knytl¹,

Forsythe²,

Kalous³

2022

Preprint

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Sexual vs asexual reproduction—unisexual vs bisexual populations—diploid vs polyploid biotypes—genetic vs environmental sex determination: all these natural phenomena are associated with the genus of teleost fish, Carassius. Two Carassius entities with completely different biological characteristics exist: one globally widespread and invasive Carassius gibelio, and the other C. carassius with decreasing trend of natural occurrence. Comprehensive biological and cytogenetic knowledge of both entities, including the physical interactions between them, can help to balance advantages of highly invasive and disadvantages of threatened species. For example, benefits of a wide-ranged colonization can lead toward extinction of native species or be compensated by parasitic enemies and lead to equilibrium. This review emphasizes the comprehensive biology and cytogenetic knowledge and importance of the Carassius genus as one of the most useful experimental vertebrate models for evolutionary biology and genetics. Secondly, the review points out that effective molecular cytogenetics should be used for identification of various species, ploidy levels, and hybrids. The proposed investigation of these hallmark characteristics in Carassius may be applied in conservation efforts to sustain threatened populations in their native ranges. Also, the review focuses on consequences of co-occurrence of native and non-native species and outlines future perspectives of Carassius research.

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First report of Cyprinid herpesvirus 2 outbreak in cultured gibel carp, Carassius auratus gibelio at low temperature

Cited by 5 publications

References 27 publications

Cyprinid herpesvirus‐2 (CyHV‐2): a comprehensive review

Cyprinid herpesvirus‐2 (CyHV‐2): a comprehensive review

A Fish of Multiple Faces, Which Show Us Enigmatic and Incredible Phenomena in Nature: Biology and Cytogenetics of the Genus Carassius

A Fish of Multiple Faces, which Show us Enigmatic and Incredible Phenomena in Nature: Biology and Cytogenetics of the Genus Carassius

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