. Common diseases of farm animals. Veterinary medicine. INFECTIOUS DISEASES OF THE HORSE 313 The period of inruJxdion may be from a few to many days. The f>i/mpfoms may be acute or chronic in nature. The acute form pursues a rapid course. It is freciuently seen in mules and asses, and it may develop from the subacute or chronic form in horses. When the disease is acute, the animal has a fever, is stupid, does not eat, and may have a diarrhoea. In this form the hanpliatic glands suppurate, the animal loses flesh rapidly and dies in from one to two weeks. The chronic form is the most common.
. Common diseases of farm animals. Veterinary medicine. INFECTIOUS DISEASES OF THE HORSE 313 The period of inruJxdion may be from a few to many days. The f>i/mpfoms may be acute or chronic in nature. The acute form pursues a rapid course. It is freciuently seen in mules and asses, and it may develop from the subacute or chronic form in horses. When the disease is acute, the animal has a fever, is stupid, does not eat, and may have a diarrhoea. In this form the hanpliatic glands suppurate, the animal loses flesh rapidly and dies in from one to two weeks. The chronic form is the most common. It develops slowly and lasts for years. The early symptoms of the disease (chilling iind fever) usually escape notice. The first visible symptom is a. Fig. 115.—Longitudinal section of head of horse having glanders. Ulcerated portions of nasal mucous membrane indicated by A. nasal discharge of a dirty white color from one or both nostrils. This is usually scanty at first, and intermittent, but later be- comes quite abundant. The discharge is very sticky, and adheres to the hair and skin. The most frequent seat of the disease is in the respiratory organs, lymph glands and skin. Xodulcs and nlcers appear on the nasal mucous membrane (Fig. 115), but they may be so high up as to escape notice. The ulcers are very characteristic of the disease. They are angry looking, with ragged, raised margins, and when they heal leave a puckered scar. The submaxillary glands may be enlarged, and at first more or less hard and painful, but later they become nodular and adhere to the jaw or skin. Modules and ulcers may fonn on the skin over the inferior wall of the abdomen and the inside of the. 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 Craig, Robert Alexander, 1872-. Philadelphia London, J. B. Lippincott company
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Keywords: ., bookpublisherphilad, booksubjectveterinarymedicine, bookyear1919
