Nitrogen metabolic waste product excreted through the gills. Finds equilibrium in the water as NH3/NH4+ depending on the phi
Lernea, ectoparasite of fish, visible with naked eye
conditions of low oxygen.
test procedure to determine which antibiotic best to use for combating a specific bacterial infection
Doitsu koi with only a scattering of doitsu scales.
koi with a light and dark blue ground with red markings on the jaw and abdomen.
Asagi with a pale blue back, red head and red flanks and a pure white lower abdomen.
Alternative name for Suminagashi.
Small, scattered sumi markings. Also see jari-sumi.
Enrofloxacin, popular antibiotic inject able and mixed in feed.
koi with a "stepping stone" pattern of black markings on a white, red or yellow ground.
Dark red pattern.
Kujaku in which the hi covers all of the body.
koi with a vermillion red ground al over.
Ginrin scalation in which the entire scale glitters.
bacterial gill disease, Flavobacterium, etc
biological oxygen demand
monogean fluke of the Gyrodactylus spp found mainly on the skin of koi
The sumi scales appear blurred.
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