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© 2026 mrumiwe ♥ cats

mrumi · feline care & commerce

mrumi Magazine

Hi. What are we reading today?

BARF, behavior and breeding for cats. Backed by research.

48 articles · 6 categories466 min of knowledge
  • All48
  • Nutrition11
  • Health15
  • Behavior16
  • Breeding1
  • Genetics4
  • Interviews1
A tabby cat with its mouth open and upper lip curled in the flehmen response
Behavior · Lead✦ NEW

The cat's second nose — the vomeronasal organ, flehmen and the chemistry of a cat's world

Your cat has a second, independent olfactory apparatus that we do not have at all. Jacobson's organ picks up molecules too heavy to travel through the air and sends them straight to the emotional centres of the brain, bypassing conscious analysis. On flehmen, pheromone fractions, felinine, and why a cat coming home from the vet can be a stranger to its own companion.

10 min·3 days ago

Me and Cindy at a pedigree cat show
Interviews✦ NEW

Forty minutes for fifteen years. A conversation with myself

The golden rule says: if you want a cat from a cattery, go there and see for yourself. I agree with it completely — except that over the years it brought me wildly different stories. On what a breeder sees while you are looking at kittens, on the hypoallergenic myth, and on the arithmetic that was the hardest part of the job.

8 min · 6 days ago

Latest

Fresh this week

    Nutrition

    Nutrition. BARF, RMB, supplements. What cats actually need to eat.

    All 11 →
    A grey cat sits between two bowls — one with raw meat, one with dry food — against a backdrop of macronutrient-triangle graphics
    Nutrition

    Protein-to-Fat Ratio in a Cat's Diet — Why 'Enough Protein' Isn't Enough When There's Too Much Fat

    11 min · June 11, 2026

    A mother cat eating from a bowl with three kittens copying her as they learn to eat — the critical 5-8 week window of life
    Nutrition

    Food neophobia in cats — why your cat "won't eat that" and how to change it

    11 min · May 26, 2026

    An anatomical cross-section of a cat showing the liver and muscle fibers — a visualization of gluconeogenesis and muscle breakdown under protein deficiency
    Nutrition

    Why Does Your Cat Digest Its Own Muscle When It Runs Short on Protein? Enzymes Stuck on "Always Max"

    7 min · May 18, 2026

    Health

    Health. Senses, diseases, prevention. Research-backed.

    All 15 →
    A tabby cat lying down with one front paw raised, showing the digital pads and the metacarpal pad
    Health

    How Many Toes Does a Cat Have, and What Are the Pads For?

    16 min · last week

    Two tabby cats running across a carpet in low evening sunlight, with disturbed dust particles visible in the air
    Health

    Cat Allergy, Part 2. The Same Cat, Symptoms One Day and Nothing the Next — What Actually Decides

    12 min · 2 weeks ago

    A tabby cat grooming its paw by a window; airborne particles are visible in the shaft of light
    Health

    Cat Allergy — It Isn't the Fur. It's a Protein the Cat Cannot Stop Making

    10 min · 3 weeks ago

    Behavior

    Behavior. Body language, evolution, everyday rituals.

    All 15 →
    Tabby kitten asleep curled up on a cream knitted blanket in warm light
    Behavior

    Why the breeder's blanket works and your t-shirt doesn't

    18 min · last week

    A tabby cat scooping a treat out of a wooden food puzzle on the floor
    Behavior

    Why Your Cat Gets Bored With a Toy After Three Minutes

    10 min · 2 weeks ago

    A tabby cat digging in a wide, round litter box filled with fine grey clumping litter
    Behavior

    The Most Common Reason Cats Lose Their Homes: The Litter Box. What Cats Actually Want, According to Research

    10 min · 2 weeks ago

    Breeding

    Breeding. Breeding, rearing, hard facts.

    All 1 →
    A kitten eating finely ground raw meat from a small bowl
    Breeding

    Feeding Kittens on BARF — From Weaning to Adulthood

    11 min · January 24, 2026

    Genetics

    Genetics. DNA tests, hereditary disease, reproduction.

    All 4 →
    A long-haired Maine Coon, a naked Sphynx and a curly Devon Rex sitting side by side — three extreme variants of the same hair coat
    Genetics

    Cat Fur Under the Microscope — Coat Anatomy and Genetics, from Hair Length to Naked Sphynxes

    7 min · August 2, 2026

    A silver tabby beside a red-golden tabby in a window — two opposite settings of the very same pigment mechanism
    Genetics

    Silver, Gold and “Sunshine” — the Genetics of Warm and Cool Cat Coats

    7 min · August 1, 2026

    A tabby domestic cat purring with closed eyes, nestled against its owner — the behavioural effect of an androgen receptor gene variant that arose during domestication
    Genetics

    Your Cat Has a Gene No Wild Cat Has. How Domestication Rewired Feline Speech

    9 min · July 24, 2026