Effects of formalin chemotherapeutic treatments on biofilter efficiency in a marine recirculating fish farming system

Keck, Nicolas; Blanc, G.

doi:10.1016/s0990-7440(02)01198-1

Cited by 16 publications

(16 citation statements)

References 44 publications

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“…Here, subproducts of fish faeces, for instance, urea, ammonia and nitrites (NO 2 − ) are progressively oxidized to nitrates (NO 3 − ) (final oxidation product – reactions 9–11). Unionized ammonia and nitrites are highly toxic for fish, while nitrate is considered relatively ‘inoffensive’ to fish and safe levels should be achieved with regular water changes (in Keck & Blanc ). During the nitrification process, two main autotrophic bacteria (Eiroa et al .…”

Section: Effect Of Formalin On Water Qualitymentioning

confidence: 99%

“…). Finally, hydrated formaldehyde acts as bactericide and its regular use, namely under high concentration and prolonged exposure, may affect the microbial community (composition) and microbial activity in the biofilters (Keck & Blanc ; Pedersen et al . , ).…”

Section: Effect Of Formalin On Water Qualitymentioning

confidence: 99%

“…In this situation, the nitrification process may be affected, namely the step corresponding to nitrite oxidation. Keck and Blanc () suggested an inhibition of nitrite‐oxidizing bacteria in the presence of formalin (dosages above 100 mg L −1 ). These authors evaluated the effects of formalin bath treatments on nitrification in a semiclosed pilot‐scale saltwater recirculating turbot culture system.…”

Section: Effect Of Formalin On Water Qualitymentioning

confidence: 99%

“…; Buchmann et al . ) and on water quality in recirculating systems (Keck & Blanc ; Pedersen et al . ), but these studies do not explain clearly what really happens from (bio) chemical point of view.…”

Section: Introductionmentioning

confidence: 99%

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Use of formalin in intensive aquaculture: properties, application and effects on fish and water quality

Leal

Neves

Santos

et al. 2016

Reviews in Aquaculture

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Formalin (aqueous solution of formaldehyde stabilized with methanol) is one of the most used disinfectants in aquaculture. It is used to eliminate infectious agents but may be responsible for negative effects on fish and water quality. This work focuses on physical–chemical properties of formalin and on its reactions and its use in intensive aquaculture and in environment. The types of treatments and the action mode of formalin are also described. The main consequences of formalin exposure to fish are damage in gills and alterations in mucous cells. Formalin also interacts with some treatments adopted in aquaculture establishments, for example biological filter, where the nitrification process seems to be strongly affected. With respect to formalin inactivation, formaldehyde (effluent) may be diluted with water or specific treatments should be conducted to decrease the concentration levels before its discharge into the environment. The common methodologies applied to aquaculture are not completely efficient on formalin removal from water, and the advanced oxidation processes may be a good alternative.

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Section: Effect Of Formalin On Water Qualitymentioning

confidence: 99%

Section: Effect Of Formalin On Water Qualitymentioning

confidence: 99%

Section: Effect Of Formalin On Water Qualitymentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Use of formalin in intensive aquaculture: properties, application and effects on fish and water quality

Leal

Neves

Santos

et al. 2016

Reviews in Aquaculture

View full text Add to dashboard Cite

show abstract

“…In the United States, only dilute formalin baths are FDA approved for treatment of monogeneans in fish intended for human consumption (U. S. Food and Drug Administration ). Formalin, however, is not an ideal treatment for many aquatic systems as it can damage biofilters, indirectly increasing ammonia levels to toxic levels (Keck & Blanc, ). Veterinarians may justify off‐label use of praziquantel under the framework of the Animal Medicinal Drug Use Clarification Act (AMDUCA).…”

mentioning

confidence: 99%

Outbreak of Cleidodiscus in juvenile black crappies (Pomoxis nigromaculatus) and bath treatment with praziquantel

Bader

Chelladurai

Thompson

et al. 2017

Journal of Fish Diseases

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Peracetic acid degradation and effects on nitrification in recirculating aquaculture systems

Pedersen¹,

Pedersen²,

Nielsen

et al. 2009

Aquaculture

114

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Effects of formalin chemotherapeutic treatments on biofilter efficiency in a marine recirculating fish farming system

Cited by 16 publications

References 44 publications

Use of formalin in intensive aquaculture: properties, application and effects on fish and water quality

Use of formalin in intensive aquaculture: properties, application and effects on fish and water quality

Outbreak of Cleidodiscus in juvenile black crappies (Pomoxis nigromaculatus) and bath treatment with praziquantel

Peracetic acid degradation and effects on nitrification in recirculating aquaculture systems

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