1. When selecting, first-line hamsters with good eyes and no mucus should be selected. At the same time, healthy first-line hamsters will not have runny noses. And the shape of the ears is intact and there are no signs of being bitten.

2. Healthy first-line hamster teeth will not stick out, and The hair color is bright, and the body of the first-line hamster is carefully checked for hair loss or tumors.

3, Healthy first-line hamsters have no spots on their tails and stomachs. They balance normally when walking without stiffness in their limbs; there are no urine stains on their buttocks. residual dirt.