There are uncertainties concerning the identity and host species specificity of Sarcocystis
species of the water buffalo (Bubalus bubalis) and cattle (Bos taurus). Currently, in cattle
three species are recognized with known endogenous stages, viz.: S. cruzi (with canine
definitive host), S. hirsuta (feline definitive host), and S. hominis (primate definitive host).
Recently, a fourth Sarcocystis species with an unknown life cycle has been reported from cattle.
In the water buffalo, four species of Sarcocystis have been described: S. fusiformis (feline
definitive host), S. buffalonis (feline definitive host), S. levinei (canine definitive host), and
S. dubeyi (definitive host unknown but not cat or dog). Besides, there are studies of Sarcocystis
infections in buffalo and cattle from China with results that are difficult to interpret
and validate. For example, some of the studies report transmission of Sarcocystis species
between cattle and buffalo, but steps to preclude exogenous exposures were not reported.
A species of the water buffalo, ‘S. sinensis’, was proposed at a Chinese national conference
in 1990, and published as an abstract without figures and with no archived type specimens
for verification. The International Code of Zoological Nomenclature Articles 9 and 10 state
that “abstracts of articles, papers, posters, text of lectures, and similar material when issued
primarily to participants at meetings, symposia, colloquia or congress does not constitute
published work”; therefore, S. sinensis is a nomen nudum.
There are uncertainties concerning the identity and host species specificity of Sarcocystis
species of the water buffalo (Bubalus bubalis) and cattle (Bos taurus). Currently, in cattle
three species are recognized with known endogenous stages, viz.: S. cruzi (with canine
definitive host), S. hirsuta (feline definitive host), and S. hominis (primate definitive host).
Recently, a fourth Sarcocystis species with an unknown life cycle has been reported from cattle.
In the water buffalo, four species of Sarcocystis have been described: S. fusiformis (feline
definitive host), S. buffalonis (feline definitive host), S. levinei (canine definitive host), and
S. dubeyi (definitive host unknown but not cat or dog). Besides, there are studies of Sarcocystis
infections in buffalo and cattle from China with results that are difficult to interpret
and validate. For example, some of the studies report transmission of Sarcocystis species
between cattle and buffalo, but steps to preclude exogenous exposures were not reported.
A species of the water buffalo, ‘S. sinensis’, was proposed at a Chinese national conference
in 1990, and published as an abstract without figures and with no archived type specimens
for verification. The International Code of Zoological Nomenclature Articles 9 and 10 state
that “abstracts of articles, papers, posters, text of lectures, and similar material when issued
primarily to participants at meetings, symposia, colloquia or congress does not constitute
published work”; therefore, S. sinensis is a nomen nudum.
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