Basic Care for a Healthy and Happy Mouse
Pet mice are intelligent, social, and active small mammals that can make delightful companions when cared for properly. With consistent attention and appropriate housing, they typically live 1.5 to 3 years. Mice are best kept in groups of the same sex to avoid unwanted litters and loneliness—females often do best in pairs or small groups, while males may fight unless raised together.
Enclosure:
A wire cage with a solid plastic base or a well-ventilated glass aquarium with a secure mesh lid is ideal.
Minimum size:12 x 18 x 12 inches for a pair of mice—bigger is better.
Avoid wire flooring, which can injure feet (causing bumblefoot).
Bedding:
Use paper-based bedding or aspen shavings.
Avoid: cedar or pine shavings, which release oils that can harm respiratory health.
Spot clean daily; fully clean the cage at least once per week with pet-safe disinfectant.
Enrichment:
Provide tunnels, exercise wheels (solid surface), cardboard tubes, and chew toys to prevent boredom and promote physical activity.
Mice are climbers and explorers—add multiple levels and hiding areas.
Temperature & Environment
Keep the enclosure in a quiet, draft-free room at 65–75°F (18–24°C).
Avoid direct sunlight and sudden temperature changes.
Mice are sensitive to strong odors and airborne irritants—avoid using scented cleaning products or candles near their enclosure.
Base Diet:
A high-quality commercial rodent block or pellet should make up the majority of the diet.
Fresh Foods (offered in moderation):
Fresh vegetables: carrots, broccoli, kale, peas, cucumber
Fruits (small amounts): apple slices (no seeds), banana, blueberries
Whole grains and seeds: oats, millet, whole wheat pasta
Avoid toxic foods:
Chocolate, caffeine, alcohol, onions, garlic, raw beans, citrus fruits, and junk food
Water:
Provide clean, fresh water at all times via a sipper bottle or small bowl.
Change water daily and check for proper function of the bottle nozzle.
Mice can be gently tamed with time and patience.
Avoid picking them up by the tail. Instead, scoop them up gently with cupped hands or coax them into a small container.
Always supervise children during handling—mice are fragile and fast-moving.
Behavioral Notes:
Healthy mice are curious, active, and social.
Signs of stress or illness include excessive hiding, fur loss, aggression, or lethargy.
Common Health Concerns:
Respiratory infections (sneezing, wheezing, discharge from eyes/nose)
Tumors, especially in older females
Overgrown teeth (malocclusion)
Mites or skin infections
Diarrhea or weight loss
Veterinary Care:
Annual health checks are recommended.
Seek prompt veterinary attention for any signs of illness.
Mice do not require routine vaccinations but benefit from parasite checks and general wellness monitoring.
Mice reproduce rapidly and can have large litters—separate sexes at 4 weeks of age to prevent breeding.
Unless breeding is intentional and responsibly managed, we recommend housing same-sex groups only.
For more information or to schedule a health check, please contact our veterinary team. We’re here to help your small companion live a happy, healthy life.
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