Ferret Genetics tools: what they help with
These calculators predict the likely colors, patterns or morphs from a ferret pairing, using the known inheritance of each trait. Understanding genetics helps breeders avoid pairings linked to health problems and set realistic expectations about offspring.
What to know about genetics and morphs for ferrets
Ferrets typically live 6 to 10 years. Ferrets need a tall multi-level cage for sleeping plus several hours a day of supervised, thoroughly ferret-proofed roaming, since they squeeze into any gap and chew soft rubber.
Ferret quick facts
| Measure | Ferret |
|---|---|
| Typical lifespan | 6–10 years |
| Adult weight | 1.5–4.4 lb (0.7–2 kg) |
| Diet | Obligate carnivore |
| Mature at | About 7 months |
| Pregnancy | 41–43 days |
| Litter size | 4–8 |
| Humidity | 40–60% |
A practical tip
Results are probabilities across many offspring, not a guarantee for one litter or clutch. Hidden recessive genes can also surprise you.
Other ferret topics
Ferret care rarely sits in one box. You may also find these useful: ferret age tools, ferret behavior tools, ferret breeding tools and ferret cost tools. Or see every ferret tool in one place.
Genetics tools for other pets
The same kind of tool exists for other species, each using that animal's own reference data: dog genetics, cat genetics, rabbit genetics and hamster genetics.