Quarterly Bulletin - Michigan. Agricultural Experiment Station, East Lansing Volume 1-5

Quarterly Bulletin - Michigan. Agricultural Experiment Station, East Lansing Volume 1-5

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1918 edition. Excerpt: ...a negative report, do not collect the blood sample until three days or more after the occurrence of the abortion. The tests cannot be relied upon to indicate that an animal will abort. There is no test which will point out the end result of an infectious disease. This laboratory recommends the tests to veterinarians and breeders as being for the present the most accurate method of diagnosing bovine infectious abortion. Furthermore this laboratory is prepared to make these tests without cost and will furnish sterile bottles for blood samples upon request. REPORT OF COMMITTEE ON ABORTION OF THE AMERICAN VETERINARY MEDICAL ASSOCIATION. A disease of cattle, variously known as contagious, infectious and epizootic abortion, and slinking and dropping of calves, is widely prevalent throughout the United States and Europe and has been observed and studied in South America, Asia, Africa, and Australia. In the United States the losses due to it have reached alarming proportions and threaten to increase in the future. Your Committee, therefore, submits the following summary of the present knowledge concerning this disease: 1. Though various causes for the occurrences of abortion in cattle exist, only one kind of infectious abortion disease of cattle has been proved to be both widespread and common. For this disease the name Bovine infectious abortion is recommended. 2. Bovine infectious abortion is characterized as a rule by an interference with the development of the fetus frequently resulting in its premature expulsion, either dead or alive, viable or unviable. There is also a frequent manifest inflammation of the fetal membranes and of the maternal cotyledons together with frequent retention of the afterbirth. A cow may be the carrier and...show more

Product details

  • Paperback | 282 pages
  • 189 x 246 x 15mm | 508g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236947037
  • 9781236947031