Hygiene Management
in Aquaculture

with Chlorine Dioxide

Why is disinfection important within Aquaculture?

NEGATIVE IMPACTS OF MICROORGANISMS

BENEFITS OF USING 

Covipure plus

Microorganisms such as bacteria, fungi, viruses, lice and spores negatively impact:

LIVESTOCK
ADVERSE HEALTH OF FISH STOCK (E.G LICE)

LOWER FERTILITY RATES

QUALITY AND QUANTITY OF YIELDS

INCREASED MORTALITY RATES

REQUIRES EXTENSIVE USE OF ANTIBIOTICS

Improving water hygiene with CoviPure™ delivers significant operational and economic benefits including:

  • SUPERIOR FERTILITY RATES
  • HIGHER STOCK YIELDS DUE TO LOWER MORTALITY RATES
  • REDUCTION OF NEED FOR ANTIBIOTICS
  • REDUCTION OF LICE ON FISH
  • AN EFFECTIVE TREATMENT FOR LISTERIA

The active ingredient Chlorine Dioxide (ClO2)

  • Highly effective disinfecting agent against 99.9 % of all pathogenic germs such as bacteria, fungi, viruses and spores
  • Works by oxidation  – 10x stronger than Chlorine, 25x stronger than Hydrogen Peroxide (H2O2)
  • Efficacy not reduced by PH value or temperature of the water
  • Leaves no residue
  • No change to the characteristics of the water (eg. Odour and taste)
  • Removes deposits such as biofilms or algae from surfaces
  • Compliant with German Drinking Water Ordinance (§ 11) – No labelling required
  • User Friendly : Easy to apply in safe dosages (no pre-blending of chemicals or technical equipment required)
  • No adverse by-products such as THM, AOX or mutagens
  • High efficacy even at low dosage rates
  • Cost effective
salmon landscape

COMPARISON OF DIFFERENT DISINFECTANTS

The biocidal efficacy of Chlorine Dioxide covers 99.9 % of pathogenic germs such as Bacteria
(L. monocytogenes, P. aeruginosa, E. coli, S. aureus), Fungi (S. cerevisiae), Viruses and Spores

Product

Concentration  of Solution

Limitations in efficacy

Required dosage for removal of germs within 60 seconds

Pseudomonas aeruginosa

Staphylococcus aureus

Saccharomyces cerevisiae

Sodium Hypochlorite
(NaOCl)

85.000 mg/l

Limited against somebacteria and viruses;  Formation of harmful chlorinated by-products;  Microbiological resistances possible

820 mg/l

820 mg/l

1600 mg/l

Hydrogen Peroxide
H2O2

300.000 mg/l

Limited against somebacteria, fungi and yeasts;  Risk of microbiological resistances; No approved  disinfectant as per Drinking Water Ordinance

36.000 mg/l

68.000 mg/l

270.000 mg/l

Chlorine Dioxide
ClO2

5.000 mg/l

Comprehensive biocidal efficacy; No microbiological  resistances possible; Approved disinfectant  according to Drinking Water Regulations

48 mg/l

93 mg/l

95 mg/l

CoviPure™ can be used across the fish processing chain

Safe product
✓ A single stable solution which replaces the use of multiple hygiene products
✓ Fully compliant with all drinking water regulations
✓ No additional equipment needed

BREEDING

Fish Farm
  • Improving aquatic hygiene and reducing pathogens provides decreased mortality in fish stocks and superior breeding rates
  • Reduction of need for antibiotics
  • Low dosage: 0,4 mg/l of ClO2

PROCESSING

fish farm norway
  • Hygienic washing process which prevents bacterial contamination
  • Keeps quality high and reduces the risk of economic losses
  • Recommended dosage in case of bacterial contamination (e. g.  Listeria) is 20 mg/l of ClO2
  • An effective and non-harmful treatment for sea lice
  • An effective treatment for Listeria

SANITISATION

Fish Portfolio
  • Safe disinfection of surfaces, tools and instruments
  • Hygienic protection for employees
  • Products for surface disinfection contain 100 mg/l of ClO2
  • For surface application it specifically kills the Covid-19 virus within 30 seconds