Before you go to bed...


“...quarantine remains the responsibility of the supply chain.”

While it is the responsibility of the industry to quarantine, it is every keeper's best practice procedure too . You can always blame someone, but you can never get your fish back to life.

The following procedure is what we regards as MILD and absolutely MINIMUM for efficient quarantining against KHV.

  • Week 1 and 2 with 0.3% salt always in Q-tank

  • Day 1 – Inspect

  • Day 2 – Observe, “scrape”, Treat immediately if required

  • Raise water temperature to 23oC ± 3o

  • Day 3 – Subject all to Standard Physiological Stress

  • Day 4-10 Wait, observe

  • Day 10 – Sample for KHV at 95% confidence Learn more..

  • Day 11-14 - Wait for lab results

  • Day 14 – Introduce is no illness observed or tested (can give potassium permanganate dip)

Following is what we term a Standard Physiological Stress Test. If the ambient temperature and incubation period are observed, this will almost always bring on a latent disease condition that can be tested. Test for SVC at 17oC and KHV at 23oC

Standard Physiological Stress
Dip the fish for 2 minutes in 30 g per liter salt solution (NaCl) - Remove fish if it flips over!

Alternatively: You can also do a 7 minutes dip in 1 g KMnO4  per 10 liter. I was found to have the same effect and/can be used if treatment of certain parasites is also required.

Sample quality: It is no use to pay for testing at a lab if you take a POOR SAMPLE. Fish are not on medical aid to absorb the costs of retesting and soothing you consigns is false security. Want to learn more?

Sample size:

Note: It is absolutely critical that all fish are quarantined and samples tested before integrating with your collection.


Servaas de Kock – KoiNet


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KoiNet and AquaNet are owned by Servaas de Kock, 082 440 6770, PO Box 1643, Gans Bay, 7220 - mail me