Abstract
Summary
1. Six hundred and thirty 3- to 12-day chick embryos were inoculated with a suspension of the mycelial phase of C. immitis in physiologic saline, via the yolk sac, allantoic sac, or chorioallantoic membrane routes. 2. The mortality of the inoculated eggs depended more upon the age of the embryo than; the route of inoculation: 3- to 8-day embryos showed a mortality of 100-73% in the 5-day period of incubation; whereas, 9- to 12-day embryos showed a mortality of only 24-7%. 3. The distribution of C. immitis in inoculated eggs was studied and the formation of sporangia, or sporangia-like, bodies noted. These bodies are few in number and difficult to interpret.
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