網頁The luteal function in newly inseminated female mice following exposure to alien males was investigated. The corpora lutea (CL) of newly inseminated females exhibited high delta 5 … 網頁2024年11月24日 · EXPERIMENTS on the effect of certain oral progestogens during early pregnancy, in continuation of previous observations1 on ... An Exteroceptive Block to …
The Bruce effect revisited: is pregnancy termination in female …
The Bruce effect, or pregnancy block, is the tendency for female rodents to terminate their pregnancies following exposure to the scent of an unfamiliar male. The effect was first noted in 1959 by Hilda M. Bruce, and has primarily been studied in laboratory mice (Mus musculus). In mice, pregnancy can only … 查看更多內容 In an experiment published in 1959, zoologist Hilda Bruce of the National Institute for Medical Research in London housed pregnant mice with male mice that were not the father of the carried embryo. As a result, the … 查看更多內容 • Coolidge effect • Lee–Boot effect • Vandenbergh effect • Whitten effect 查看更多內容 Detection of pheromones The vomeronasal system serves as a "vascular pump" that, stimulated by the presence of a novel male, actively draws in substances. … 查看更多內容 In order to have evolved and persisted in the population, the Bruce effect must afford individuals a fitness advantage. The possible advantages of pregnancy block are widely … 查看更多內容 • de la Maza, Helen M.; Wolff, Jerry O.; Lindsey, Amber (1999). "Exposure to strange adults does not cause pregnancy disruption or infanticide in the gray-tailed vole". Behavioral Ecology and Sociobiology. 45 (2): 107. doi: • Kenney, A. McM.; Evans, R. … 查看更多內容 網頁2024年3月20日 · The Whitten effect occurs when a group of female mice are exposed to the urine produced by a male mouse. The male’s urine contains certain volatile, or airborne, pheromones that affect the hormonal processes of the females that control their reproductive status.[3] commonwealth underwriters inc
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網頁2009年2月25日 · There was no evidence that male social status influenced the Bruce effect. Mated females spent more time near a novel male when it was dominant across all time periods ( F1,10 =7.94, p =0.018; figure 3 ), confirming the well-established preference of female mice for dominant males ( Hurst 1987 ). 網頁of the Bruce and Vandenbergh effects in mice (Mus musculus) Adam C Guzzo, Jihwan Jheon, Faizan Imtiaz and Denys ... Bruce effect ( deCatanzaroet al. 2006, 2011) and reproductive tract growth in ... 網頁1993年12月1日 · The odor of the predator which can be considered to be a threatening signal for the prey also modulate mouse behavior in which scent marking is suppressed … commonwealth united entertainment