What is the lifespan of a Devon Rex?

According to allpets.ai data, Devon Rex typically lives 9–15 years. They weigh 2.7–4.1 kg.

How big does a Devon Rex get?

According to allpets.ai data, adult Devon Rex weigh between 2.7 and 4.1 kg. Size category: Small.

What health problems are common in Devon Rex?

According to allpets.ai data, Devon Rex is predisposed to 6 health conditions including Hypertrophic Cardiomyopathy, Patellar Luxation, Hereditary Myopathy/CMS. 3 of these are hereditary. Regular screening is recommended for early detection.

Does the Devon Rex have separation anxiety?

According to allpets.ai data, Devon Rex has Moderate anxiety proneness with High separation anxiety risk. Top triggers: Being left alone for long periods;Boredom/under-stimulation;Cold environments;Lack of social interaction;Changes in routine. Recommended interventions: Interactive play sessions;Vertical spaces/cat trees;Routine consistency;Warm resting places;Puzzle toys.

How do you care for a Devon Rex?

According to allpets.ai data, Devon Rex care includes: Exercise: High. Grooming: Low. Annual exam focus: Cardiac evaluation (echocardiogram/auscultation); Dental check; Musculoskeletal assessment (hips/knees); Skin and ear examination.

What are the breeding considerations for Devon Rex?

According to allpets.ai data, Devon Rex has an average litter size of 3–4. Dystocia risk: High. CHIC required tests: CMS (COLQ); Blood Group; PKD1; HCM (Echocardiogram).

Devon Rex - Pet Health Database

Basic Information

Species	Cat
Origin	United Kingdom
Size Category	Small

Vital Statistics

Weight Range	2.7–4.1 kg
Lifespan	9–15 years
Juvenile Stage Ends	12 months
Senior Age Threshold	7 years

Adult Preventive Care

Exercise Needs	High
Grooming	Low
Annual Exam Focus	Cardiac evaluation (echocardiogram/auscultation); Dental check; Musculoskeletal assessment (hips/knees); Skin and ear examination
Routine Care	Monitor for age-related mobility issues (arthritis from hip dysplasia/patellar luxation), cardiac changes (HCM), and dental disease. Manage weight to prevent joint stress and support kidney health.

Health Predispositions (6 conditions)

Condition	Onset Stage	Risk	Hereditary	Screening
Hypertrophic Cardiomyopathy	Adult	High	No	N/A
Patellar Luxation	Juvenile	High	No	N/A
Hereditary Myopathy/CMS	Juvenile	High	No	N/A
Hypertrophic Cardiomyopathy (HCM)	Adult	High	Yes	Recommended
Congenital Myasthenic Syndrome (CMS)/Hereditary Myopathy	Adult	High	Yes	Recommended
Polycystic Kidney Disease (PKD)	Adult	High	Yes	Recommended

Obesity Management

Risk Level	High
Ideal BCS	4/9
Visual Cues	Ribs easily palpable with minimal fat covering; visible waist behind ribs; slight abdominal tuck. Slender and muscular build with fine bones.
Daily Activity	45 minutes
Caloric Notes	{"daily_kcal_per_kg": 60, "RER_factor": 70, "activity_multiplier": 1.6}

Breeding & Genetics

Litter Size	3–4
Dystocia Risk	High
CHIC Required Tests	CMS (COLQ); Blood Group; PKD1; HCM (Echocardiogram)

Development

Neonatal Weight	100–130 g
Growth Notes	Monitor for hereditary myopathy and hypertrophic cardiomyopathy (HCM). Coat loss during kittenhood is common but typically regrows.
Vaccine/Health Schedule	{"start_weeks": 6, "series_count": 3, "core_vaccines": "FPV; FCV; FHV-1; Rabies", "socialization_end_weeks": 14}

Emotional Wellbeing

Anxiety Proneness	Moderate
Top Triggers	Being left alone for long periods;Boredom/under-stimulation;Cold environments;Lack of social interaction;Changes in routine
Separation Anxiety Risk	High
Calming Interventions	Interactive play sessions;Vertical spaces/cat trees;Routine consistency;Warm resting places;Puzzle toys
Enrichment Needs	High
Cognitive Dysfunction Risk	Moderate
Sociability Score	5/10

Behavioral Ethogram

Locomotion	High jumping; Active climbing; Fast sprinting; Acrobatic leaping
Social	Following owner room-to-room; Greeting at door; Shoulder riding; Seeking physical contact
Comfort	Self-grooming; Sunbathing in warm spots; Cuddling in laps; Sleeping under covers
Stress/Displacement	Over-grooming fragile coat; Hiding; Vocalizing when left alone; Restlessness
Breed-Specific	Shoulder riding; Fetching toys; Dog-like greeting at door; Using objects as toys

Vocalization Baseline

Types	Soft chirp; Trill; Quiet meow; Purr
Frequency Range	500-700
Tendency	Moderate
Primary Modality	Balanced Vocal/Body
Tail/Body Signals	Tail up = friendly greeting; Ears forward = curious/engaged; Ears flat = defensive/fearful; Tail swishing = agitation

Behavior Problems

Top Problems	Separation anxiety; Excessive vocalization; Destructive behavior; Attention-seeking behavior; Inappropriate elimination
Medical Etiology	Sudden aggression (pain/myopathy); House soiling (UTI/kidney disease); Behavioral changes (hyperthyroidism)
Fear/Anxiety Etiology	Separation anxiety (destructive behavior/vocalization); Territorial anxiety (with new pets/environments); Stress-related vocalization
Frustration Etiology	Destructive behavior (boredom/under-stimulation); Excessive vocalization (unmet social needs); Attention-seeking behaviors (jumping on tables)
Learned Behavior	Attention-seeking vocalization; Jumping on counters/tables; Stealing food/objects
Cognitive Dysfunction	Nighttime vocalization/meowing; Disorientation in familiar environments; Changes in sleep-wake cycle; Forgetting litter box use

AI Communication Decoding

AI-Trainable Signals	Ear orientation/movement; Tail position/movement; Vocalization pitch/frequency; Facial muscle tension (elfin expression); Body posture tension
Context-Dependent Vocalizations	Chirping/trilling during play = excitement; Excessive meowing at night = anxiety/cognitive decline; Vocalizing near owner = attention-seeking
Interspecies Communication	Uses chirps and trills specifically to communicate with humans; Highly people-oriented and follows owners from room to room; Develops unique vocalizations to express needs or frustration