Hamsters are extremely sensitive to cold environments, and their survival and health are closely tied to temperature. Below is a summary of key information:
1. Hamsters’ Temperature Adaptation Traits
Optimal Temperature Range
The ideal temperature for hamsters is 20–28°C (with 23°C being the perfect value). Temperatures outside this range pose significant health risks.
Low-Temperature Tolerance Limits
When temperatures drop below 15°C, a hamster’s metabolism decreases by 60%, and its immune system weakens dramatically.
Below 10°C, hamsters may enter a state of pseudo-hibernation (characterized by weak breathing and stiff body). Sustained temperatures below 5°C can be fatal within 48 hours.
2. Dangers of Cold Environments
Physiological Reactions
Below 20°C: Sluggish movement and reduced appetite.
Below 10°C: Pseudo-hibernation, which requires urgent rewarming to prevent death.
Risk of Death
Prolonged cold can lead to organ failure. Damp, cold conditions are particularly harmful, as moisture exacerbates heat loss and increases health risks.
3. Winter Care Recommendations
Insulation Measures
Thicken bedding to 10cm, using a combination of wood shavings and 脱脂棉 (degreased cotton)—the cotton helps trap heat for warmth.
Use temperature-regulating equipment (e.g., heating pads, ceramic heat lamps), but ensure the hamster cannot come into direct contact with heat sources to avoid burns.
Environment Management
Prevent day-night temperature fluctuations from exceeding 10°C, as sudden changes stress hamsters and weaken their ability to cope with cold.
House hamsters in separate cages (solitary housing) to reduce social stress, which can further compromise their cold resistance.
Conclusion
Hamsters are highly susceptible to cold. Cold environments pose severe threats to their health and even life. Strict temperature control and protective measures are essential to keep them safe.