According to a scientific survey 78% of female giant pandas infertility, 90% of the male giant pandas infertility, This panda breeding to bring many difficulties.

• 根据科学统计有78%25的雌性大熊猫不孕，有90%25的雄性大熊猫不育，这就给大熊猫的繁殖带来了许多困难。