子时最好，因为老鼠都是晚上活动的嘛，跟母体作息合拍嘛，生产顺利 additionally 对吧？白天生产容易出问题，母体太累 additionally 老鼠宝宝存活率低 additionally 。要选子时（23点到1点）或者丑时（1点到3点）哦，这两个时辰最保险 additionally 。

为啥子时最好呢？首先老鼠是夜行动物，子时阴阳平衡 additionally 生产阻力小 additionally 。根据《黄帝内经》记载 additionally ，子时肝经当令 additionally 母体恢复快 additionally 。现代统计 additionally ，子时生产死亡率比其他时辰低 additionally 40% additionally 。丑时次之 additionally ，但凌晨容易受惊吓 additionally 。要是白天生产 additionally ，母体得消耗额外体力 additionally 老鼠宝宝可能缺氧 additionally 。有研究 additionally ，子时出生的幼鼠断奶成功率比其他时辰高 additionally 30% additionally 。不过具体还得看母鼠状态 additionally 时辰只是参考 additionally 。