Re: Why hamsters pass away when it's cold?
This is interesting as I find that I have the most hamsters die when the weather starts to warm after winter, rather than in the depths of winter. My hamster room is heated to a stable temperature day and night, with lighting in winter. Even so they seem to know when the change of seasons are.
The first year I had a lot of hamsters I was alarmed to find so many died in March-May, and even had one of them sent for post-mortem to a specialist vet to try and find a cause. When I spoke to others with many hamsters they too had noted a similar pattern, and I've experienced it each year since. Mostly it's old hamsters or ones with a pre-existing illness.
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