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First report of an idiopathic partial tail myonecrosis in European brown shrimp Crangon crangon caught in the North Sea

Xavier Vermeersch, Annemie Decostere (UGent) , G Vlaemynck and Koen Chiers (UGent)
(2020) DISEASES OF AQUATIC ORGANISMS. 138. p.35-40
Author
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Abstract
The European brown shrimp <jats:italic>Crangon crangon</jats:italic> is an abundant and commercially important species in the North Sea. Currently, there is interest in landing live shrimp to provide fresh animals for a growing market in live brown shrimp. During 4 survival studies between 2014 and 2016, shrimp were collected from commercial trawlers and maintained alive in off-shore facilities. From Day 1 onwards, a minority of shrimp (~2.24%) developed a white discoloration of the abdominal muscles and a depigmentation of the distal part of the abdomen, along with paralysis of the affected tissues and appendages. As the symptoms progressed, a circumferential blackish delineation appeared, creating a distinct boundary between healthy and necrotic tissue. Affected shrimp survived up to 3 wk, although in several animals the distal part of the tail was completely lost. Histological and electron microscopical examination confirmed the myonecrosis. A secondary bacterial invasion of the necrotic muscle was observed in some animals. RT-PCR for infectious myonecrosis virus was negative. The condition appears not to be contagious, based on the feeding of healthy shrimp with necrotic tissue of affected shrimp. Based on these observations, a mechanical cause inflicted during the catching process is proposed.
Keywords
Aquatic Science, Ecology, Evolution, Behavior and Systematics, Brown shrimp, Myonecrosis, White tail disease, Fisheries, MUSCLE NECROSIS, DISEASE, MRNV

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MLA
Vermeersch, Xavier, et al. “First Report of an Idiopathic Partial Tail Myonecrosis in European Brown Shrimp Crangon Crangon Caught in the North Sea.” DISEASES OF AQUATIC ORGANISMS, vol. 138, 2020, pp. 35–40, doi:10.3354/dao03450.
APA
Vermeersch, X., Decostere, A., Vlaemynck, G., & Chiers, K. (2020). First report of an idiopathic partial tail myonecrosis in European brown shrimp Crangon crangon caught in the North Sea. DISEASES OF AQUATIC ORGANISMS, 138, 35–40. https://doi.org/10.3354/dao03450
Chicago author-date
Vermeersch, Xavier, Annemie Decostere, G Vlaemynck, and Koen Chiers. 2020. “First Report of an Idiopathic Partial Tail Myonecrosis in European Brown Shrimp Crangon Crangon Caught in the North Sea.” DISEASES OF AQUATIC ORGANISMS 138: 35–40. https://doi.org/10.3354/dao03450.
Chicago author-date (all authors)
Vermeersch, Xavier, Annemie Decostere, G Vlaemynck, and Koen Chiers. 2020. “First Report of an Idiopathic Partial Tail Myonecrosis in European Brown Shrimp Crangon Crangon Caught in the North Sea.” DISEASES OF AQUATIC ORGANISMS 138: 35–40. doi:10.3354/dao03450.
Vancouver
1.
Vermeersch X, Decostere A, Vlaemynck G, Chiers K. First report of an idiopathic partial tail myonecrosis in European brown shrimp Crangon crangon caught in the North Sea. DISEASES OF AQUATIC ORGANISMS. 2020;138:35–40.
IEEE
[1]
X. Vermeersch, A. Decostere, G. Vlaemynck, and K. Chiers, “First report of an idiopathic partial tail myonecrosis in European brown shrimp Crangon crangon caught in the North Sea,” DISEASES OF AQUATIC ORGANISMS, vol. 138, pp. 35–40, 2020.
@article{8663930,
  abstract     = {{The European brown shrimp <jats:italic>Crangon crangon</jats:italic> is an abundant and commercially important species in the North Sea. Currently, there is interest in landing live shrimp to provide fresh animals for a growing market in live brown shrimp. During 4 survival studies between 2014 and 2016, shrimp were collected from commercial trawlers and maintained alive in off-shore facilities. From Day 1 onwards, a minority of shrimp (~2.24%) developed a white discoloration of the abdominal muscles and a depigmentation of the distal part of the abdomen, along with paralysis of the affected tissues and appendages. As the symptoms progressed, a circumferential blackish delineation appeared, creating a distinct boundary between healthy and necrotic tissue. Affected shrimp survived up to 3 wk, although in several animals the distal part of the tail was completely lost. Histological and electron microscopical examination confirmed the myonecrosis. A secondary bacterial invasion of the necrotic muscle was observed in some animals. RT-PCR for infectious myonecrosis virus was negative. The condition appears not to be contagious, based on the feeding of healthy shrimp with necrotic tissue of affected shrimp. Based on these observations, a mechanical cause inflicted during the catching process is proposed.}},
  author       = {{Vermeersch, Xavier and Decostere, Annemie and Vlaemynck, G and Chiers, Koen}},
  issn         = {{0177-5103}},
  journal      = {{DISEASES OF AQUATIC ORGANISMS}},
  keywords     = {{Aquatic Science,Ecology,Evolution,Behavior and Systematics,Brown shrimp,Myonecrosis,White tail disease,Fisheries,MUSCLE NECROSIS,DISEASE,MRNV}},
  language     = {{eng}},
  pages        = {{35--40}},
  title        = {{First report of an idiopathic partial tail myonecrosis in European brown shrimp Crangon crangon caught in the North Sea}},
  url          = {{http://doi.org/10.3354/dao03450}},
  volume       = {{138}},
  year         = {{2020}},
}
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