Spatial distribution of oxytetracycline and elevated frequencies of oxytetracycline resistance in sediments beneath a marine salmon farm following oxytetracycline therapy

Kerry, Joe P.; Coyne, Rosie; Gilroy, Derek W.; Hiney, Maura; Smith, Peter

doi:10.1016/s0044-8486(96)01353-1

Cited by 71 publications

(41 citation statements)

References 14 publications

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“…The impact of these substances on the resident microflora is difficult to assess because of the complexity of the aquatic environment, while the resistance patterns of bacterial fish pathogens often reflect an intensive use of antimicrobial substances (7,38,44). Numerous investigators have attempted to elucidate the occurrence and persistence of antibiotic resistance, mostly in marine aquaculture production systems, which predominate in the production of salmonids (19,25,32,40). In contrast, the predominant type of aquacultural production in Denmark is freshwater inland farming, and fewer data are available in this area (12,14,30,41).…”

mentioning

confidence: 99%

Occurrence of Antimicrobial Resistance in Fish-Pathogenic and Environmental Bacteria Associated with Four Danish Rainbow Trout Farms

Schmidt¹,

Bruun²,

Dalsgaard

et al. 2000

Appl Environ Microbiol

322

221

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Surveillance of bacterial susceptibility to five antimicrobial agents was performed during a 1-year period in and around four freshwater fish farms situated along a stream in western Denmark. Besides assessing the levels of antibiotic resistance among the culturable fraction of microorganisms in fish, water, and sediment samples, two major fish pathogens (88 Flavobacterium psychrophilum isolates and 134 Yersinia ruckeri isolates) and 313 motile Aeromonas isolates, representing a group of ubiquitous aquatic bacteria, were isolated from the same samples. MICs were obtained applying a standardized agar dilution method. A markedly decreased susceptibility of F. psychrophilum isolates to most antimicrobial agents presently available for use in Danish aquaculture was detected, while the collected Y. ruckeri isolates remained largely sensitive to all therapeutic substances. Comparing the inlet and outlet samples, the increase of the antibiotic-resistant proportions observed among the culturable microflora was more pronounced and statistically significant among the motile aeromonads. High levels of individual and multiple antimicrobial resistances were demonstrated within the collected flavobacteria and aeromonads, thus indicating a substantial impact of fish farming on several groups of bacteria associated with aquacultural environments.

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mentioning

confidence: 99%

Occurrence of Antimicrobial Resistance in Fish-Pathogenic and Environmental Bacteria Associated with Four Danish Rainbow Trout Farms

Schmidt¹,

Bruun²,

Dalsgaard

et al. 2000

Appl Environ Microbiol

322

221

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“…Pursell et al (1996) found heterotrophic plate counts in sediments associated with fish farms in Ireland between 9.8 × 10 4 and 1.8 × 10 5 CFU/g, and Kerry et al (1996) found between 4.8 × 10 4 and 1 × 10 5 CFU/g. These studies have used the same methods as this study, which allows for direct comparison of the results.…”

Section: Discussionmentioning

confidence: 99%

Chemicals from Marine Fish Farms

Gustavson¹,

Petersen²,

Jørgensen³

et al. 2009

TemaNord

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“…Indirect spread of antibiotic resistance from aquatic bacteria and human pathogens has been considered as a possible hazard. A number of investigators have reported an increased prevalence of bacteria carrying antibiotic resistance genes in fish/shrimp ponds and in water and sediments surrounding aquaculture sites in Japan (Kim et al 2004), Europe (Kerry et al 1996;Schmidt et al 2000), the US (Herwig et al 1997), South America (Miranda and Zemelman 2002), China (Dang et al 2009) and South-East Asia (Karunasagar et. al.…”

Section: Antimicrobial Resistance In Microorganisms Associated With Pmentioning

confidence: 99%

Bacterial Pathogens Associated with Aquaculture Products

Karunasagar

2014

Zoonoses - Infections Affecting Humans and Animals

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According to FAO statistics, aquaculture is contributing to nearly half of the global food fish production. Fish contributes to both nutritional and food security in many developing economies. Fish is also one of the most extensively traded food commodities; most of global aquaculture production takes place in developing countries and the major markets are in the developed world. European Union, Japan and United States together account for about 70 % of global fish imports.

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Spatial distribution of oxytetracycline and elevated frequencies of oxytetracycline resistance in sediments beneath a marine salmon farm following oxytetracycline therapy

Cited by 71 publications

References 14 publications

Occurrence of Antimicrobial Resistance in Fish-Pathogenic and Environmental Bacteria Associated with Four Danish Rainbow Trout Farms

Occurrence of Antimicrobial Resistance in Fish-Pathogenic and Environmental Bacteria Associated with Four Danish Rainbow Trout Farms

Chemicals from Marine Fish Farms

Bacterial Pathogens Associated with Aquaculture Products

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