. Common diseases of farm animals. Veterinary medicine. 300 INFECTIOUS DISEASES germ spreads from the wounds through the nerves and cen- tral nervous system. The disease-producing organisms are present in great numbers in the nerve-tissue and saliva. The period of incubation varies from a few days to several months. It is usually from ten to seventy days. The symptoms diifer in the different species. There are two forms of the disease: the furious and jr^A^^dumh. The former is more common. .f.^-^- In the dog, the symptoms may he divided into three stages. The first, or melancholy stage, usuall
. Common diseases of farm animals. Veterinary medicine. 300 INFECTIOUS DISEASES germ spreads from the wounds through the nerves and cen- tral nervous system. The disease-producing organisms are present in great numbers in the nerve-tissue and saliva. The period of incubation varies from a few days to several months. It is usually from ten to seventy days. The symptoms diifer in the different species. There are two forms of the disease: the furious and jr^A^^dumh. The former is more common. .f.^-^- In the dog, the symptoms may he divided into three stages. The first, or melancholy stage, usually lasts from twelve to forty-eight hours. The ani- mal's behavior is altered and it becomes sullen, irritable and nervous. Some- times it is friendly and inclined to lick the hand of its master. An inclination to gnaw or swallow indigestible objects is sometimes noted. Frequently a certain part of the skin is rubbed or licked. The second, or furious stage, may last several days. Violent nervous or rabid sjTuptoms are manifested, and the dog may leave home and travel long distances. The animal usually shows a strong inclina- tion to bite. It may move about snapping at imaginary objects in its delirium, and may bite any person or animal with which it comes in contact. The Ijark is peculiar, the appetite is lost and the animal becomes weak and emaciated. In the third, or paralytic stage, the dog may present an emaci- ated, dirty, ragged appearance. The lower jaw may drop, the tongue hangs from the lips and the eyes appear sunken and glassy. > Paralysis of the hind parts may be present. In the dumb form, the paralytic s^Tuptoms predominate and the disease pursues a short course. Rabies terminates in death in from four to ten Fia. â ^1 -Negri bodies in nerve- 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
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Keywords: ., bookpublisherphilad, booksubjectveterinarymedicine, bookyear1919
