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Siberian

origin: Tsardom of Russia · 5 figures in the corpus · Q42630

Every figure below carries this breed's name or id in its source study -- grouped by what it measures, not ranked. A breed appearing under a study here does not mean every other breed was tested and came back negative; it means this is what has a named source so far. See each figure's own page for its caveats.

Breeding

4.5 mean kittens per litter verified

Siberian: mean litter size (Cerna et al. 2024)

  • Study sample n=26 litters.
11.5 percent of litters by caesarean section verified

Siberian: caesarean-section rate (Cerna et al. 2024)

  • Study sample n=26 litters.
7.7 percent cumulative kitten mortality to 12 weeks verified

Siberian: cumulative kitten mortality to 12 weeks, stillbirths included (Cerna et al. 2024)

  • Study sample n=26 litters.

Category (FIFe)

2 FIFe category (1-4, coat/morphology grouping) verified

Siberian (SIB): FIFe Category 2

  • Category is a coat/morphology grouping FIFe itself uses, not a ranking (1=lowest number, 4=highest, no ordinal meaning).

Allergy

1 claim recorded (1 = a fetched source makes this claim) verified

Siberian: marketed as hypoallergenic by hypoallergenicats.com (commercial cattery)

  • A breeder marketing claim, not a peer-reviewed measurement -- recorded as a claim, not endorsed.