noun
koi herpes virus; KHV
Medical term for the virus causing koi herpesvirus disease in carp; often abbreviated as KHV.
コイヘルペスウイルスは養殖コイに大きな被害を与えた。
Koi herpes virus caused serious damage to farmed carp.
Katakana spelling is standard for this loanword-based term; usually written in kana.
Kanji spelling with 鯉 for 'koi' is possible but uncommon; the katakana form is strongly preferred.
From English 'koi herpes virus', a compound of 'koi' (Japanese 鯉) and 'herpes virus'.