. The pathology and differential diagnosis of infectious diseases of animals. Veterinary medicine -- Diagnosis; Communicable diseases in animals. 540 EPITHELIOMA CONTAGIOSUM lated to small pox. Spinola failed to produce it in fowls with cow pox. In 1873, Bollinger gave a very full account of his investigations into its nature. ^ 428. Geographical distribution. This affection has been studied in Europe. In the United States, Salmon refers. Fig. 121. A photograph of the head of a fowl shonnng epithelioma on the coinh and in front of the eye {after Ward). to it from the Southern States and Ward h
. The pathology and differential diagnosis of infectious diseases of animals. Veterinary medicine -- Diagnosis; Communicable diseases in animals. 540 EPITHELIOMA CONTAGIOSUM lated to small pox. Spinola failed to produce it in fowls with cow pox. In 1873, Bollinger gave a very full account of his investigations into its nature. ^ 428. Geographical distribution. This affection has been studied in Europe. In the United States, Salmon refers. Fig. 121. A photograph of the head of a fowl shonnng epithelioma on the coinh and in front of the eye {after Ward). to it from the Southern States and Ward has described it in California. Sedgwick reports that it is one of the greatest obstacles to chicken raising in Hawaii. ^ 429, Etiology. The cause of this disease is not satis- factorilv settled. Rivolta and Silvestri considered coccidia to. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Moore, Veranus A. (Veranus Alva), 1859-1931. Ithaca, N. Y. , Taylor & Carpenter
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