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Contagious Abortion of Cows

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Author: Ward J. MacNeal
Published: 1911
Language: English
Wordcount: 6,881 / 28 pg
Flesch-Kincaid Reading Ease: 42.3
Downloads: 353
Added to site: 2011.07.25 30493
Genre: Instructional

of premature delivery, and of these, six appeared clinically to be cases of contagious abortion. Placental tissue from two of these cases was examined by the Nowak plate method and a bacillus isolated, apparently identical with that isolated by Bang in Denmark and by Nowak in Austria.

The organism is a very small short rod, usually oval in shape, from 0.8 mu to 2.0 mu long by 0.7 mu wide, practically always single, rarely in short threads of two to four cells. It is not motile, and does not form spores. It stains with moderate rapidity with the ordinary anilin dyes, and is decolorized by Gram's method. The colonies on serum-agar are raised, with smooth circular borders, appearing almost like drops of dew. They are transparent and very clear, with a bluish gray color by transmitted light. Under the microscope a few coarse granules may be seen near the center of the colony but the greater part of it appears very homogenous and almost water-clear. The appearance of the colony is really a very characterist



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Besides writing great romance novels, Serenity Woods enjoys juggling, archaeology and celebrating Christmas next to the pool. She lives in the sub-tropical Northland of New Zealand with her husband and teenage son and likes to write books about everyday people, with the issues that affect them. As our author of the day, Woods talks about her Christmas Boxset, Three Wise Men, why she is not a fan of alpha males and reveals what readers can expect from her pen next.
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