Furunculosis as a possible factor in the decline of sea trout in the West of Ireland

McArdle, John F.; Dooley-Martyn, C.; Geoghegan, Fiona; McKiernan, Frank; Rodger, H. D.

doi:10.1016/0165-7836(93)90019-4

Cited by 5 publications

(2 citation statements)

References 5 publications

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“…Conversely, numerous disease outbreaks in fish farms have been linked in the past to sources of infection from the surrounding environment (Munro et al 1983, Silan et al 1985, McArdle et al 1993, Kent 1994, Diamant & Paperna 1995, McVicar 1997a,b, Kent et al 1998). The high cage-stocking densities may enhance levels of indigenous, enzootic diseases in wild populations and greatly modify patterns of occurrence, prevalence or pathogenicity in a given area (Stephen et al 1993, McVicar 199713, Gonzalez 1998.…”

Section: Introductionmentioning

confidence: 99%

Mycobacteriosis in wild rabbitfish Siganus rivulatus associated with cage farming in the Gulf of Eilat, Red Sea

Diamant¹,

Banet²,

Ucko³

et al. 2000

Dis. Aquat. Org.

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Infection patterns of Mycobacterium rnarinum were studied over a period of 3 yr in wild rabbitfish Siganus rivulatus populations associated with commercial mariculture cages and inhabiting various sites along the Israeli Red Sea coastline. Mycobacteriosis was first recorded from the Red Sea in 1990 in farmed sea bass Dicentrarchus labrax and is absent from records of studies on parasites and diseases of wild rabbitfish carned out in the 1970s and 1980s. A sharp increase in the prevalence of the dsease in cultured and wild fish in the region has occurred since. A total of 1142 rabbitfish were examined over a 3 yr period from inside mariculture net cages, from the cage surroundings and from several sites along the coast. Histological sections of spleens were examined for presence of granulomatous lesions. Overall prevalence levels of 50 % were recorded in the rabbitfish sampled inside the net cages and 39 % at the cages' close surroundings, 21 % at a sandy beach site 1.2 km westwards, 35 % at Eilat harbour 3 km to the south and 4 2 % at a coral reef site about 10 km south of the cages. In addition, 147 fish belonging to 18 native Red Sea species were sampled from 2 sites, the net cage farm perimeter and the coral reef area, and examined for similar lesions. None of those from the coral reef were infected with Mycobacterium; however, 9 of 14 species collected from the cage surroundings were infected. An increase in prevalence of mycobacteriosis in the manculture farm area was noted from 1995 to 1997. At the same time, a significant increase in prevalence was also apparent at the coral reef sampling site. Two M. marinum isolates from rabbitfish captured at Eilat harbour and the coral reef site were shown by 16s rDNA sequencing analysis to be identical to isolates from rabbitfish trapped inside the mariculture cages as well as isolates from locally cultured sea bass D. labrax. The implications of spreading of M, marinum infection in wild fish populations in the Gulf of Eilat are discussed.

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Section: Introductionmentioning

confidence: 99%

Mycobacteriosis in wild rabbitfish Siganus rivulatus associated with cage farming in the Gulf of Eilat, Red Sea

Diamant¹,

Banet²,

Ucko³

et al. 2000

Dis. Aquat. Org.

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“…Hastein et al (1978) diagnosed the bacterium as the cause of an atypical furunculosis mortality among minnows Phoxinus phoxinus in a Norwegian lake and Wiklund & Bylund (1993) described its role in the etiology of dermal ulcerations of flounders Platichthys flesus in the Baltic Sea. More recently, McArdle et al (1993) inlplicated the disease as a contributing factor to the decline of sea trout S a h o trutta from several rivers in Ireland, and the spread of the disease among feral fish may be at least partially attributed to the escapement of carrier fish from contaminated farms (Johnsen & Jensen 1994).…”

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confidence: 99%

Use of non-lethal procedures to detect and monitor Aeromonas salmonicida in potentially endangered or threatened populations of migrating and post-spawning salmon

Cipriano¹,

Ford²,

Teska³

et al. 1996

Dis. Aquat. Org.

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Non-lethal assay of mucus was assessed for mittently shown to either infect or cause disease in detection of Aeromonas salmon~cida among feral populations of salmon returning to the Salmon River (Altmar NY USA) A salmon~cida was isolated from returns of 2 year classes of coho Oncorhynchus kisutch and chinook 0 tshawytscha salmon Data suggested that non-lethal assay of mucus was comparable to standard lethal procedures used to detect and isolate A salmonicida from ludney tissues Non-lethal procedures were also used to detect A salrnoniclda and monitor the effectiveness of antibiotic therapy for the control of furunculosis among valuable Atlantic salmon Salmo salar broodstock maintained at the R~chard Cronin National Salmon Stahon (Sunderland, MA USA) KEY WORDS: Aeromonas salmon~cida. Furunculosis. Nonlethal detection Mucus. Kidneys. Salmon salar. Oncorhynchus k~sutch. 0. tshawytscha

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Diseases of wild sea trout in Scotland in relation to fish population decline

et al. 1993

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Furunculosis as a possible factor in the decline of sea trout in the West of Ireland

Cited by 5 publications

References 5 publications

Mycobacteriosis in wild rabbitfish Siganus rivulatus associated with cage farming in the Gulf of Eilat, Red Sea

Mycobacteriosis in wild rabbitfish Siganus rivulatus associated with cage farming in the Gulf of Eilat, Red Sea

Use of non-lethal procedures to detect and monitor Aeromonas salmonicida in potentially endangered or threatened populations of migrating and post-spawning salmon

Diseases of wild sea trout in Scotland in relation to fish population decline

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