. Special pathology and therapeutics of the diseases of domestic animals. Veterinary medicine. 32 Malignant Edema. Malignant edema is an. Fig. 8. Edema bacilli with flagella. Agar culture; flagella staining. 2. Malignant Edema. Oedema malignum {Septicaemia gangraenosa, Septicemie gangrenetise [French]; Malignes Odem {German]; Setticemia gangrenosa [Italian].) acute, febrile, infectious wound disease of domestic animals, which is characterized princi- pally by edematous, later crepi- tating swellings at the place of infection. Its cause is the anae- robic bacillus oedematis maligni. History. Th
. Special pathology and therapeutics of the diseases of domestic animals. Veterinary medicine. 32 Malignant Edema. Malignant edema is an. Fig. 8. Edema bacilli with flagella. Agar culture; flagella staining. 2. Malignant Edema. Oedema malignum {Septicaemia gangraenosa, Septicemie gangrenetise [French]; Malignes Odem {German]; Setticemia gangrenosa [Italian].) acute, febrile, infectious wound disease of domestic animals, which is characterized princi- pally by edematous, later crepi- tating swellings at the place of infection. Its cause is the anae- robic bacillus oedematis maligni. History. The development of crep- itating swellings following injuries, seatons, castrations, etc., has been known since earliest times, and Girard (1880) proved that crepitating swell- ings in sheep may be produced by putrid animal substances. Chauveau (1873) showed by experiments carried out on male goats that the living or- ganisms contained in injected putrid blood were closely associated with the development of the disease. Pasteiir (1877) studied more closely the bac- terium, named by him as "Vibrion septique,'' and also succeeded in grow- ing it in pure culture. Later Koch & Gaffky (1881) extensively investi- gated the disease produced by the in- oculation of dirt, and which they termed malignant edema. Since that time Kitt, Jensen & Sand, and Le- clainche, have contributed to the bac- teriology, while new observations re- garding its occurrence in domestic animals have been published by Jen- sen & Sand, Ratz, Frohner, Carl and others. Occurrence. Malignant edema occurs everywhere since its caus- ative agent is ever present in the superficial layers of the soil. Nevertheless it is not a very fre- quent disease, but may occur in horses and cattle, in cows partic- ularly after parturition. Occa- sionally in sheep it causes great losses, and may in veterinary Fig. 10. Bacillus of malignant edema. hospitals among horSeS aSSUme %^'?cirLreovt g,r ^r ^? ^"^«^t.^«
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