Archive image from page 437 of The pathology and differential diagnosis The pathology and differential diagnosis of infectious diseases of animals differentpathology00moorrich Year: 1908 Fig. 108. Tr. eqiiiperdmii. 1, i/i the blood 0/a mouse four days after inoculation, _->, same blood eight days after inoculation {after Rouget). name Tr. roitgetii for the parasite of dourine. Doflein named it Tr. equiperdiim, which is the name used by Salmon and Stiles. In its morphology and evolutionary forms, the trypano- soma of dourine has not been shown to differ from that of surra. The granule form
Archive image from page 437 of The pathology and differential diagnosis The pathology and differential diagnosis of infectious diseases of animals differentpathology00moorrich Year: 1908 Fig. 108. Tr. eqiiiperdmii. 1, i/i the blood 0/a mouse four days after inoculation, _->, same blood eight days after inoculation {after Rouget). name Tr. roitgetii for the parasite of dourine. Doflein named it Tr. equiperdiim, which is the name used by Salmon and Stiles. In its morphology and evolutionary forms, the trypano- soma of dourine has not been shown to differ from that of surra. The granule form, the spherical, the club shaped or pyriform bodies, the fusiform with more or less stellate group- ings seem to be generic characteristics. Baldrey states that it is smaller than the Trypanosoma of Surra. The specific dis- tinction is found in the pathogenesis as shown by the two diseases (surra and dourine). In the active stages, the parasite is usually found abund- antly in edematous fluid, the blood, semen, milk, vaginal secretions and the erosions of the vaginal mucosa and penis. During intermissions, however, and in the absence of local lesions, the parasites are not found in the blood on micro- scopic examination, yet the inoculation of the blood into
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