| a new type of lesion associated with severe fur damage in canadian ranch foxes and an investigation of possible causes. | in the silver fox, as in its wild ancestor, the red fox (vulpes vulpes l.), the annual growing phase (anagen) of guard hair follicles occupies at least four months. severe damage to the hair coat near the end of this growing period was reported in 1985 on many ranches in new brunswick and nova scotia. a histological analysis of serial sections of skin biopsies showed a marked increase in nuclear aberrations in the hair matrix of anagen guard hair follicles. these nuclear aberrations indicated th ... | 1991 | 1884287 |