THE ETIOLOGICAL RELATION OF BACILLUS ACTINOIDES TO BRONCHOPNEUMONIA IN CALVES
نویسندگان
چکیده
منابع مشابه
The Etiological Relation of Bacillus Actinoides to Bronchopneumonia in Calves
A bronchopneumonia of calves in the early months of life is described and its etiology associated definitely with a minute bacillus, Bacillus actinoides. Bacillus pyogenes, Bacillus bovisepticus, and, less frequently, staphylococci and streptococci may appear later in the affected lungs. Subcutaneous injections of cultures of Bacillus actinoides produce large indurations ending in necrosis. Sim...
متن کاملT H E Etiological Relation of Bacillus Actinoides to Bronchopneumonia in Calves. by Theobald
In the early months of 1917 an outbreak of pneumonia occurred among calves belonging to a large dairy herd in which about 100 calves are raised annually. Up to May l, eleven cases had been autopsied. Nine of these were killed in advanced stages of the disease and two died. Scattering cases occurred at the rate of about one a month into November. Of these, one died and seven were killed. In the ...
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The production of capsules or sheaths is subject to considerable variation in this species. Thus far coagulated serum has been found the only substrate to stimulate its appearance. It is not known whether the capsular substance is induced by the parasitism. The presence of sheaths within epithelial cells and their absence in cellular exudates suggest the inference that the sheath is a protectiv...
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ژورنال
عنوان ژورنال: Journal of Experimental Medicine
سال: 1921
ISSN: 1540-9538,0022-1007
DOI: 10.1084/jem.33.4.441