نتایج جستجو برای: abortifacient
تعداد نتایج: 453 فیلتر نتایج به سال:
© 2012 American Society of Animal Science. All rights reserved. J. Anim. Sci. 2012.90:4611–4617 doi:10.2527/jas2012-5232
The author discusses the validity of the claim that, in Antiquity, effective contraceptives and abortifacients were available, were widely used, and their use was responsible for the decline of population in certain periods. After reviewing the maneuvers and drugs used for those purposes, the author concludes that ancient physicians did not have at their disposal effective contraceptives and ab...
Pinus ponderosa needle (PN) ingestion by late pregnant cows results in decreased uterine blood flow, premature parturition, and retained placentae. Further, plasma from PN-fed cows increases caruncular arterial tone (i.e., induces prolonged contraction) in an isolated perfused bovine placentome. A novel class of vasoactive lipids was isolated and identified using a bovine placentome assay-guide...
BACKGROUND The search for a relatively cheap, widely available, widely accepted and effective contraceptive of plant origin; that is equally non-invasive in administration, non-hormonal in action, non-toxic and that is relatively long-acting, generated our interest in this study (in order to meet the increasing need for population control). The aim of this study was to determine the effects of ...
Besides its importance in cattle, Neospora caninum may also pose a high risk as abortifacient for small ruminants. We have recently demonstrated that the outcome of experimental infection of pregnant sheep with 10(6) Nc-Spain7 tachyzoites is strongly dependent on the time of gestation. In the current study, we assessed peripheral and local immune response in those animals. Serological analysis ...
Waddlia chondrophila is a Gram-negative intracellular bacterial organism that is related to classical chlamydial species and has been implicated as a cause of abortion in cattle. Despite an increasing number of observational studies linking W. chondrophila infection to cattle abortion, little direct experimental evidence exists. Given this paucity of direct evidence the current study was carrie...
Knowledge and use of emergency contraception world-wide is extremely limited. Recent research has demonstrated that levonorgestrel alone is at least as effective as the Yuzpe regimen and is much better tolerated. Levonorgestrel is likely to become the method of choice in the early 21st century. Mifepristone is highly effective even at doses which are not abortifacient. Efficacy cannot be calcul...
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