Useful Information About Koi Breeding |
|
|
Preferable Age for Breeding |
2-4
years old |
Initial Weight of Spawners |
must
be > 1 kg. |
Number of eggs per kg. of weight |
typically
100,000 |
Spawning Methods |
Pond or
Hatchery |
Egg Size (before hydration) |
1-1.5
mm |
Egg Size (after activation) |
1.5-2.5
mm |
Duration of Incubation |
2 - 4.5
days, depending on temperature |
Duration of Yolk Sac Absorption |
2 - 3
days after hatching |
Age at which fry starts swimming |
about 7
days after hatching |
Size of fry when it starts swimming |
about
9-11 mm |
Size of Initial Prey (e.g., Artemia) |
100-250
micrometers |
Number of Artemia eaten per day |
100-300
per fry (4-8 days old) |
Size of fry at 3-4 weeks of age |
typically 1 g, but this depends on the pond stocking
density |