Outbreak of subsp. Serovar Napoli on a Dairy Cow Farm.

is diffused worldwide, and subsp. is spread worldwide with many serovars associated with the infection of domestic bovines. The most spread are .

First outbreak of bovine mastitis caused by Prototheca blaschkeae.

The most important animal disease caused by yeast-like algae belonging to the genus Prototheca is bovine mastitis. Although the infection can be caused by both Prototheca zopfii genotype 2 and Prototheca blaschkeae, the bulk of prevalence of bovine protothecal mastitis has been so far attributed to the former, being P. blaschkeae only sporadically isolated.