Seasonality in live fish movements and its effects on epidemic dynamics

Werkman, Marleen; Murray, Alexander G.; Munro, L A; Turnbull, James; Green, Darren M.

doi:10.1016/j.aquaculture.2013.10.001

Cited by 4 publications

(2 citation statements)

References 21 publications

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“…In Scotland, under the Aquatic Animal Health (Scotland) Regulations 2009 (Anonymous, 2009a), aquaculture production businesses are required to keep records of live fish movements onto and off their fish farms (Werkman et al, 2011, 2014). These official records are held by the Fish Health Inspectorate at MSS, and are dated and recorded at both source and destination farms, providing overlap and confirmation opportunities.…”

Section: Methodsmentioning

confidence: 99%

The contact structure of Great Britain’s salmon and trout aquaculture industry

et al. 2019

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Highlights 87% of English and Welsh nodes are reachable from Scotland via the live fish movement network. 72% of Scottish nodes are reachable from England or Wales via the live fish movement network. 7.2% of all live fish movements cross the England-Scotland border. Targeted surveillance on a handful of sites is effective in identifying and controlling outbreaks. The combination of different mechanisms of transmission increases the chance of large epidemics.

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Section: Methodsmentioning

confidence: 99%

The contact structure of Great Britain’s salmon and trout aquaculture industry

et al. 2019

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“…При этом псевдомонады, вызывающие у людей септицемии и различные инфекции, способны оставаться жизнеспособными в готовой солёной продукции, снижая её качество [2][3][4]. При длительном хранении пищевых продуктов в условиях холодильника они могут превалировать над другой микрофлорой [5,6].…”

Section: Introductionunclassified

Halotolerance of pseudomonads isolated from aquatic environment and fish (Sander lucioperca) in the Volga River delta

Obukhova

Lartseva

2021

Hygiene and Sanitation

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Introduction. The material shows halophiles bacteria R. Psendomonas the water’s microbiota and the pikeperch in spring and autumn. The attachment of Pseudomonas isolated from these habitats, certain Delta areas has not been identified. Materials and methods. 190 “water” strains and 720 ones isolated from fish were experimentally tested. In meat-peptone broth (MPB) with 3.0, 7.0, and 10.0% NaCl content, daily cultures of analyzed bacteria were sown, incubation of which was carried out at 37 0 C, and the results were taken into account after 24 and 48 hours. Results. There were no significant differences in halophilicity in the analyzed strains, except for the autumn season, especially in 10.0% salt solution. Among the isolated pseudomonads, the maximum halotolerance in both biotopes was observed in P. fluorescens and P. alcaligenes in P. putida. Halophiles strains of Pseudomonas that infect the water and fish had seasonal cycles. A slight decrease in the halophilicity of pseudomonades persistent in water and fish only at concentrations of 3.0 and 10.0 mg/l from spring to summer (1.1-1.2 times), and their significant rise in autumn (1.5 and 1.4 times) in the salt concentration of 3.0 mg/l. In the tested strains in spring and autumn, increased salt tolerance values were noted, which was determined by the hydrological and hydrochemical features of Delta waters and the “transfer” of bacteria in the body of walleye during its migration from the sea to the river. Conclusion. Analysis of long-term material showed high halophiles studied strains of pseudomonad, indicating that their sanitary and epidemiologic danger, and the ability to remain viable in salted fish products

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