Valentine, Beth A.; Bildfell, Robert J.; Packham, David; Scott, Danny W.; Miller, William H. (Sage Journals, 2012-03)
Adult onset progressive alopecia and leukotrichia developed in 2 registered black Angus cows, aged 6 and 7
years. Histopathologic findings in skin were prominent melanin clumping and degeneration of matrix cells with fo ...