| Species | Dog |
|---|---|
| Origin | England |
| Size Category | Giant |
| Category | Dog |
| Original Purpose | Guard dog, estate protection |
| Weight Range | 54–100 kg |
|---|---|
| Height Range | 70–90 cm |
| Lifespan | 6–10 years |
| Juvenile Stage Ends | 24 months |
| Senior Age Threshold | 6 years |
| Exercise Needs | 30-45 min/day, gentle walking, avoid high impact |
|---|---|
| Grooming | Weekly brushing, occasional bath |
| Annual Exam Focus | Joint health, cardiac evaluation, eye exam, weight management |
| Condition | Onset Stage | Risk | Hereditary | Screening |
|---|---|---|---|---|
| Gastric Dilatation-Volvulus | adult | high | Yes | N/A |
| Hip Dysplasia | adult | high | Yes | Recommended |
| Elbow Dysplasia | adult | high | Yes | Recommended |
| Progressive Retinal Atrophy | adult | medium | Yes | Recommended |
| Dilated Cardiomyopathy | adult | medium | Yes | Recommended |
| Risk Level | High |
|---|---|
| Ideal BCS | 5/9 |
| Daily Activity | 40 minutes |
| Litter Size | 6–10 |
|---|---|
| Dystocia Risk | Moderate |
| CHIC Required Tests | Hip Dysplasia, Elbow Dysplasia, Eye Examination, Cardiac Evaluation |
| Neonatal Weight | 500–700 g |
|---|
| Anxiety Proneness | Moderate |
|---|---|
| Top Triggers | Separation from family, loud noises, unfamiliar aggressive dogs |
| Separation Anxiety Risk | Moderate |
| Calming Interventions | Safe quiet space, pheromone diffusers, gentle massage, routine consistency |
| Cognitive Dysfunction Risk | Moderate |
| Locomotion | Heavy lumbering gait, slow trot, deliberate movement |
|---|---|
| Social | Protective, aloof with strangers, affectionate with family, body blocking |
| Comfort | Leaning on people, deep sighing, sprawling on cool surfaces, snoring |
| Stress/Displacement | Lip licking, panting, turning head away, slow movement, freezing |
| Breed-Specific | Mastiff lean, guarding posture, drooling when anticipating food |
| Types | Deep bark, grunting, snoring, sighing, low growl |
|---|---|
| Frequency Range | 80-500 Hz |
| Tendency | Low |
| AI-Trainable Signals | Stiff body posture, direct stare, tail position, leaning behavior, facial tension |
|---|---|
| Context-Dependent Vocalizations | Low growl for warning, deep single bark for alert, grunting for contentment |
| Interspecies Communication | Gentle with small animals if socialized, uses body blocking instead of biting |