Bovine Infectious Abortion
نویسندگان
چکیده
منابع مشابه
Infectious Causes of Bovine Abortion in Qazvin Province, Iran
Abortion in dairy cattle is generally defined as the loss of fetus on days 47-265 of pregnancy and can significantly reduce the income and capital gain of farmers and producers. Therefore, sufficient economical support and preventive measurements are essential for this issue. In this study, genetic materials were extracted from the abomasum rennet, as well as homogenous preparations of brain, k...
متن کاملPractical Approach to Infectious Bovine Abortion Diagnosis
Bovine abortion is an important cause of economic loss to the cattle livestock industry. In California this may as much as $700 for each cow that has aborted (Thurmond & Picanso, 1990). Kossaibati & Esslemont (1997) estimated the average cost of calf mortality in English dairy herds was £310 per calf death at 1995 prices; for culling an additional cow following illness, such as abortion, it was...
متن کاملFurther Data on the Effect of Vaccination against Bovine Infectious Abortion
The partial protection afforded by four injections of a heated culture of Bacillus abortus of normal virulence during the first pregnancy is in part lost in the second. The superiority of a single injection of a living culture of relatively low virulence is evident in both pregnancies. In the experiment described, the protection was complete.
متن کاملSurvey of Infectious Etiologies of Bovine Abortion during Mid- to Late Gestation in Dairy Herds
Bovine abortion of unknown infectious etiology still remains a major economic problem. Thus, we investigated whether Brucella spp., Listeria monocytogenes, Salmonella spp., Campylobacter spp. and Coxiella burnetii are associated with abortion and/or stillbirth in Tunisian dairy cattle. Using a pan-Chlamydiales PCR, we also investigated the role of Chlamydiaceae, Waddlia chondrophila, Parachlamy...
متن کاملInfectious Bovine Keratoconjunctivitis Management
Infectious bovine keratoconjunctivitis is a disease that affects many herds in the US, however, the epidemiology of the disease is complicated and control is frustrating for many producers. This article discusses putative causes of IBK and approaches to understanding the causes of success and apparent failure in IBK control programs.
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ژورنال
عنوان ژورنال: Journal of Dairy Science
سال: 1928
ISSN: 0022-0302
DOI: 10.3168/jds.s0022-0302(28)93649-8