. Pathologie spéciale et la thérapeutique des maladies d'animaux domestiques. La médecine vétérinaire. ]^26 Peste porcine. création de l'étiologie de la maladie de cette dernière (voir cette maladie) il a été prouvé que chez les porcs touchés avec le virus de la peste porcine filtrables le bacillus bipolaire produit habituellement seulement les processus secondaires, de sorte que ces cas devraient être considérés comme la peste porcine. La sur-estimation de l'importance de la forme ovoïde bacilles bipolaire étant présent dans les tissus des poumons touchés ont causé beaucoup de se connecter avec cette maladie chronique la pneumonie catarrhale de porcs que les cal

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. Special pathology and therapeutics of the diseases of domestic animals. Veterinary medicine. ]^26 Swine Plague. establishment of the etiology of the latter disease (see that disease) it has been proven that in hogs affected with the filterable virus of hog cholera the bipolar bacillus usually produces only secondary processes, so that these cases should properly be considered as hog cholera. The over-estimation of the importance of the ovoid bipolar bacilli being present in the affected lung tissue caused many to connect with this disease the chronic catarrhal pneumonia of pigs as the so-called chronic swine plague, but there are no satisfactory proofs for such a conception. On our part we separate this disease from the true swine plague and consider it closely related to other similar pneumonic processes of young animals^ and principally as the result of a mixed infection. Likewise the diseased processes caused by the bacillus pyo- genes suis will be discussed here under a separate heading (see pyo- bacillosis), while the name swine plague will be retained for the disease caused by the bacillus suisepticus. This is the disease which is origi- nally and exclusively, or at least principally, caused by this organism and which in its anatomical changes corresponds w'ith the pathogenic nature of this baeterium^, and which in its classical form was first described by Liiffler and Schiitz. Occurrence. Pure swine plague occurs mostlyin a sporadic form in otherwise healthy herds. Exceptionally it may also attain an enzootic form, but even in such cases it remains con- fined, to the directly affected herds without spreading in the usual way of epizootics from place to place. In Hungary the. disease occurred as early as in the eighties in the last century as a necrotic pneumonia among fattened hogs, but always in a sporadic form. In the conception given above for pure swine plague the disease is only of slight economic importance. The losses which are, even at the present t

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