Effects of whole-year nest boxes on cortisol, circulatingleucocytes, exploration and agonisticbehaviour in silverfoxes

An experiment was carried out for a period of 2 years, using 50 silver fox vixens kept in cages with nest boxes, and 50 vixens kept in barren wire cages without any sort of equipment. At the end of the experiment, the animals living with access to nest boxes had lower base levels of cortisol […]