硫源性脑灰质软化病，阉牛
Steer with sulfur-induced polioencephalomalacia. The steer is listless and blind, lacks a menace response, and shows nystagmus and dorsomedial strabismus.
Courtesy of Dr. Michel Lévy.
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Steer with sulfur-induced polioencephalomalacia. The steer is listless and blind, lacks a menace response, and shows nystagmus and dorsomedial strabismus.
Courtesy of Dr. Michel Lévy.
