Trypanosoma Americanum, a Common Blood Parasite of American Cattle
The book Trypanosoma Americanum, a Common Blood Parasite of American Cattle was written by author Crawley, Howard. [from Old Catalog] Here you can read free online of Trypanosoma Americanum, a Common Blood Parasite of American Cattle book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Trypanosoma Americanum, a Common Blood Parasite of American Cattle a good or bad book?
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445 do. 5 532 1910 Apr. 7 533 550 Apr. 13 551 .do. 552 do. 5.53 ...do ' Culture in incubator. » 1 drop=0.067o n. c. 20 TRYPANOSOMA AMERICANUM, A BLOOD PARASITE OF CATTLE. Results obtained with measured quantities of blood — Continued. Culture. 674. 675. 576. 577. 618. 622. 623. 624. 625. Date. 1910 Apr. 21 ..do ..do ..do July 14 .do. .do. .do. .do. Cow. 697 697 697 697 697 697 697 697 697 Quantity of blood. Drops. 5 5 10 10 5 c. c. 1.0 1.0 1.0 1.0 Result ( + , positive; — , negative). Days. Her...e it is seen that the smallest quantit}^ of blood to give a positive result was 5 drops, or 0.3375 c. c, and that this result was obtained only once out of three trials. Assuming 6,000,000 red cells and 10,000 leucocytes per cubic millimeter, we find as a possible proportion one trypanosome for 2,022,000,000 red cells and 3,370,000 whites. Hence to find the trypanosome in the circulating blood would be merely a piece of good fortune. Further, culture 444, containing 9 c. c. of blood, was negative, yet this amount of blood contains 90,000,000 leucocytes.
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