Diseases of poultry; their etiology, Diseases of poultry; their etiology, diagnosis, treatment, and prevention diseasesofpoultr01pear Year: 1915 192 Diseases of Poultry destruction of the parasites by the large leucocytes of the spleen and liver. The organisms are carried from one fowl to another by the tick Argas (see p. 228). According to von Prowazek the tick is a true intermediary host, the organisms appearing in the salivary glands about 14 days Fig. 35. — Fowl spirochsetosis. (From KoUe and Ketch, after Burri.) after infection. The organisms may live in the body of the tick for sev
Diseases of poultry; their etiology, Diseases of poultry; their etiology, diagnosis, treatment, and prevention diseasesofpoultr01pear Year: 1915 192 Diseases of Poultry destruction of the parasites by the large leucocytes of the spleen and liver. The organisms are carried from one fowl to another by the tick Argas (see p. 228). According to von Prowazek the tick is a true intermediary host, the organisms appearing in the salivary glands about 14 days Fig. 35. — Fowl spirochsetosis. (From KoUe and Ketch, after Burri.) after infection. The organisms may live in the body of the tick for seven or eight months. That the tick is not a necessary host is shown by the fact that injection of the 1 Von Prowazek, S., Mem. Inst. Oswaldo Cruz. T. I, pp. 79- 80, 1911.
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