Guide Standard

Russian Burmese

Phenotype

"To be warm, mid grey, devoid of dinginess, silvering, or patches, with distinctly darker points of the same shade. Faint light speckling or a subtle ticked effect (heathering) is usual for this variety and is not a fault. Eyes black or very dark ruby."
- NFRS Variety Standard

Genetics:

With points: aa chch BuBu rbrb OR aa cch BuBu rbrb
Black + Siamese + Burmese + Russian blue OR black + one copy of Himalayan + Burmese + Russian blue

Breeding Info:

Susceptible to high levels of silvering. Can be helpful to run in a line with not-to-standard Siamese/Himalayan, ideally Siamese-bred Himalayans.

Reference Photos:

Russian Silver Agouti

Phenotype

"A blend of light blue grey ticking over a warm creamy fawn ground. Undercolour light silver grey down to the skin. Belly colour pale silver. Pinky tinge to be a fault. Coat to be short aand thick- a long coat or a coat similar to that on other varieties (excluding rex) to be a serious fault. Eyes black."
- NFRS Variety Standard

Genetics:

A- dd rbrb OR A- bb dd rbrb OR A- bb dd mm rbrb. Other combinations possible

Agouti + British blue + Russian blue OR agouti + chocolate + British blue + Russian blue OR agouti + chocolate + British blue + mink + Russian blue

Breeding Info:

Used to have a reputation for being fragile. Mink helps to lighten the colour to the correct shade.

Reference Photos:

Sable Burmese

Phenotype

"To be a warm dark otter brown with subtle darker points on the feet, tail, face, and ears. Devoid of dinginess, silvering, or patches. Contrast between points and body colour not to be overstated. Any suggestion of black in the points to be penalised. Eyes black."
- NFRS Variety Standard

Genotype

aa dd rbrb OR aa bb dd rbrb OR aa bb dd mm rbrb. Other combinations possible

black + British blue + Russian blue OR black + chocolate + British blue + Russian blue OR black + chocolate + British blue + mink + Russian blue

Breeding Info:

Used to have a reputation for being fragile. Mink helps to lighten the colour to the correct shade.

Reference Photos:

Silken

Phenotype

Standard currently being revised

Genotype

Sm-

Silken

Breeding Info:

Lethal dominant. Avoid breeding rats with poor expression. When bred with another variety, could make the coat on the other variety undesirably long.

Reference Photos:

Spotted Downunder

Phenotype

"To be broken marked, giving the effect of random spots and splashes of colour over the back and belly, neck and shoulders. Side spots are desirable. The head is to be broken marked with larger areas of solid colour than the body markings. Both ears are to be contained in the coloured area. Pied tails not to be penalized.
Colour: Colour to conform to a recognised colour variety. The white areas shall be devoid of a yellowish tinge or staining."
- NFRS Variety Standard

Genotype

Dw-

Downunder

Breeding Info:

A lot of selection has gone into making them more robust.

Reference Photos: