The testicle size of mice can be affected by a variety of factors, including genetics, age, nutrition, environment, etc. Generally speaking, the size of a male rat's testicles does not have much of an impact on health. But if you find that the testicles of male mice are very swollen, it may be for one of the following reasons:
Orchitis: testicles Inflammation is inflammation caused by bacterial infection. If the testicles of a male rat are abnormally swollen and accompanied by redness, swelling, pain and other symptoms, it is likely to be caused by orchitis.
Cavernosomatosis: Cavernososmia is a rare disease that usually occurs in older mice. The disease causes the testicles to become abnormally swollen, even reaching the size of a hand. Symptoms of the disease also include slow movement and loss of appetite.
If you find that the testicles of a male mouse are abnormally swollen, it is recommended to consult a veterinarian for help in time. A veterinarian can diagnose and treat the specific situation. At the same time, when raising mice, pay attention to regularly cleaning the diet and living environment to keep the mice healthy.