| Species | Dog |
|---|---|
| Origin | China |
| Size Category | Toy |
| Category | Dog |
| Original Purpose | Companion, ratter on ships |
| Weight Range | 2.3–5.4 kg |
|---|---|
| Height Range | 28–33 cm |
| Lifespan | 13–18 years |
| Juvenile Stage Ends | 10 months |
| Senior Age Threshold | 9 years |
| Exercise Needs | 30-45 min/day, short walks and indoor play |
|---|---|
| Grooming | Daily brushing for Powderpuff, regular bathing and skin care for Hairless |
| Annual Exam Focus | Eyes, knees, teeth, skin |
| Condition | Onset Stage | Risk | Hereditary | Screening |
|---|---|---|---|---|
| Primary Lens Luxation | adult | high | Yes | Recommended |
| Progressive Retinal Atrophy | adult | high | Yes | Recommended |
| Patellar Luxation | adult | medium | Yes | Recommended |
| Dental Disease | adult | high | Yes | Recommended |
| Legg-Calve-Perthes Disease | puppy | medium | Yes | Recommended |
| Risk Level | Moderate |
|---|---|
| Ideal BCS | 4/9 |
| Daily Activity | 40 minutes |
| Litter Size | 2–4 |
|---|---|
| Dystocia Risk | Moderate |
| CHIC Required Tests | Eye Examination, Patellar Luxation, PRA-prcd DNA, PLL DNA, Cardiac Exam |
| Neonatal Weight | 100–200 g |
|---|
| Anxiety Proneness | High |
|---|---|
| Top Triggers | Separation from owner, cold weather, loud noises |
| Separation Anxiety Risk | High |
| Calming Interventions | Crate training, desensitization, pheromone diffusers, leaving worn clothing |
| Cognitive Dysfunction Risk | Moderate |
| Locomotion | Trotting, jumping, climbing, digging |
|---|---|
| Social | Cuddling, strong owner attachment, aloofness with strangers |
| Comfort | Burrowing under blankets, sunbathing, resting on laps |
| Stress/Displacement | Shivering, lip licking, yawning, tail tucking |
| Breed-Specific | Hugging with front paws, climbing furniture, perching on high spots |
| Types | Barking, howling, singing, whining |
|---|---|
| Frequency Range | 500-2000 Hz |
| Tendency | Moderate |
| AI-Trainable Signals | Ear position, tail tucking, shivering, paw lifting, hugging |
|---|---|
| Context-Dependent Vocalizations | High-pitched bark for play, sustained howl for separation, singing for greeting |
| Interspecies Communication | Highly attuned to human emotions, uses pawing to request attention |