Urine 16S rDNA sequencing analysis reveals the physiological mechanism of the decline of instinctive mating behavior in captive giant pandas

The decline of instinctive mating behavior is the main reason for the poor environmental adaptability of captive giant pandas in wild release. The influencing factors and mechanisms are still unclear. It is speculated that it may be related to the psychological stress caused by the captive environment restricting their free mate choice.