Candida albicans,Aspegillus fumigatus ,A niger and Geotrihcum candidum,all of these may be cause mastitis in dairy herds . please check this paper doi:10.5455/vetworld.2013.393-395
Cryptococcus neoformans and Candida albicans are by far the most common causes, but other Candida species have also been associated with bovine mastitis. Mastitis is usually transmitted through contaminated milking machines and milker's hands or other materials
Article Epidemiological investigation of non-albicans Candida specie...
"The most frequently identified species in cows with clinical mastitis groups were Candida krusei (n = 14) and Candida parapsilosis (n = 6). Others include Candida lipolytica, Candida lusitaniae, Cryptococcus neoformans. "