Tools for
cat breeders
A collection of practical tools developed specifically for cat breeders — coat genetics, gestation tracking, kitten health, and breeding administration.
ActiveWhelping Calculator
Enter the mating date to get the expected birth date (63–65 days), with a whelping window and week-by-week fetal development timeline.
Heat Cycle Calculator
Estimate the heat cycle based on breed, with projections for upcoming reproductive periods and cycle history tracking.
ActiveGestation Tracker
Week-by-week timeline of kitten development in utero, with practical tips for each stage of gestation.
ActiveCoat Color Simulator
Select sire and dam genotypes to simulate possible kitten coat colors, with probabilities by sex. Covers 9 loci.
ActiveGenetics Table by Breed
Complete breed-specific gene reference: fixed, variable, and excluded loci — colorpoint, tabby, dilution, white spotting. Plan targeted matings.
Inbreeding Coefficient (COI)
Calculate the inbreeding coefficient (COI) of future kittens from the sire's and dam's pedigree over 4 generations — Wright's method, common ancestors, comparison benchmarks.
Genotype Decoder
Enter a cat's genotype (e.g. Aa Bb Dd) and get a plain-language description of the expected coat and heritable traits.
ActiveKitten Weight Chart
Log daily weigh-ins and visualize each kitten's growth curve. Automatic alerts for weight stagnation or loss.
Vaccine & Deworming Schedule
Automatically generate the full vaccination and deworming calendar for a litter from the date of birth.
Feeding Timer
Timer for orphaned kittens with every-2h reminders, feeding log, and intake tracking per kitten.
ActiveKitten Profile
Generate an individual profile for each kitten (name, birth date, coat color, birth weight) ready to print or share.
Dosage Calculator
Enter the cat's weight and medication to get the exact dose. Supports dewormers, common antibiotics, and supplements.
ActiveFeeding Ration Calculator
Calculate the daily food ration based on weight, age, activity level, and physiological status (gestation, lactation, neutered).
ActiveBCS Score
Assess your cat's Body Condition Score through a guided questionnaire, with tailored recommendations.
ActiveVeterinary Medication Reference
Search 5,400+ veterinary products: licensed medications (ANSES database), supplements, hygiene, homeopathy — composition, indications, dosage, target species.
Cat Age to Human Age Converter
Convert your cat's age into the human equivalent and find out their life stage (kitten, junior, prime, mature, senior, geriatric).
Glossary
Definitions of technical terms used in feline genetics, reproduction, health, and breeding. Instant search across 50+ entries.
ActiveSale Contract Generator
Generate a kitten sale contract compliant with French law (Loi Favre 2021), customizable and print-ready. (French law only)
Litter Tracking Sheet
Full history of all your litters: date, sire, dam, number of kittens, coat colors, sale prices, buyers.
ActiveLOOF Checklist
Interactive checklist for LOOF registration and confirmation procedures, with direct links to official forms.
ActiveShow & Exhibition Checklist
Never forget anything for your next cat show: documents, grooming, cage equipment, transport, and on-site supplies. Printable interactive checklist.