Cultivation of Rickettsia-like Microörganisms from Certain Blood-sucking Pupipara

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Abstract
Exps. are reported dealing with the cultivation of extracellular non-pathogenic Rickettsias from a number of pupipara. Methods are described by means of which cultures were obtained repeatedly from the parasitic pupipara of sheep, goat, horse, and dog. The organisms obtained in culture were minute, Gram-negative, coc-coidal rods corresponding to the usual description of Rickettsia and resembling the forms seen in the insect gut.