Besnoitia besnoiti

Besnoitia besnoiti is an apicomplexan protozoan parasite, closely related to Toxoplasma gondii and Neospora caninum,. It is part of a larger genus Besnoiti affecting multiple animal species, but Besnoita besnoiti, can affect livestock. and more specifically cattle as intermediate host, although some specific antibodies have been found in roe deer and red deer.

The biological cycle of the parasite remains unknown, it is suggested however that a carnivore, or more specifically the red fox, might be the definitive host.