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The bruce effect in mice

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 https://papuck.com

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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

The male-induced implantation failure (the Bruce effect) in …

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The bruce effect in mice

Mouse Breeding Colony Management Document 01.2016 - Purdue …

網頁In contrast, the Bruce effect is characterized by abortion of litters when pregnant females are exposed to the urine of a strange male. As with most rodents, mice are nocturnal … 網頁1993年12月1日 · THE BRUCE EFFECT 1171 Bruce effect) is a function of the accessory olfactory (vomero- nasal) system and its central projections to the hypothalamus and that …

The bruce effect in mice

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網頁We argue that the Bruce effect should be defined instead by its function: a phenomenon by which inseminated or pregnant females benefit by blocking or terminating pregnancy … 網頁Abstract. Housing newly inseminated female mice in contact with a familiar male (a male that had cohabited with the female for 24 h during the pericopulatory period, but not the coital …

網頁The occurrence of the Bruce effect and the Vandenberg effect in female mice is generally thought to depend on detection and processing of urinary odors from male through the VNS ( Leinders-Zufall et al., 2004 ). 網頁2011年9月28日 · This selective pregnancy failure, designated as the Bruce effect (Bruce, Nature 1959; 184:105), is well studied in laboratory mice and has been confirmed in several other rodent species....

網頁2024年7月5日 · Abstract. Bruce effect or alien male–induced implantation failure is a well-studied phenomenon in mice. The presence of stud male during exposure to an alien ma Experiment 2: critical period for imprinting nonpheromonal cue P value of pair-wise comparison of the incidence pregnancy using Fisher’s Exact test revealed that there was …

網頁Within a limited time after mating, exposure of female rodents to the scent of an unfamiliar conspecific male results in pregnancy termination. Since its discovery in mice, pregnancy …

網頁The Bruce effect has also been reported in deer mice (Bronson & Eleftheriou 1963), voles (Clulow & Langford 1971)andgerbils(Rohrbach1982).The current study was designed to explore the... commonwealth university網頁2012年1月1日 · The Bruce effect, first described in 1959 by Hilda M. Bruce, is a neuroendocrine reflex with a drastic impact on female reproductive state. Exposing newly … duclaw ingrown in paw for chihuahua網頁In mice, the BE involves two related components. The first is the innate sensory-mediated pregnancy block, in which expo-sure of a pregnant female mouse to an unfamiliar male mouse, or to his urine (Parkes and Bruce, 1962), during the first 72 h post mating commonwealth united kingdom網頁The Bruce effect is also observed in deer-mice, meadow voles, collared lemmings, geladas, and it has also been proposed, but not confirmed, in other non-rodent species such as the lion. It's difficult to see bruce effect in a sentence. 用bruce effect造句挺難的 ). duclaw at bwi網頁2024年8月23日 · In the Bruce effect, a mated female mouse becomes resistant to the pregnancy-blocking effect of the stud. Various lines of evidence suggest that this form … duclaw low key網頁2024年7月15日 · The Bruce effect has been studied and described thoroughly in rodents; however, observations have also been performed for other species [9,14,[30], [31], [32], [33]]. In a feral horse population, Berger [34] observed forced copulations by stallions when taking over a band of mares that he concluded led to abortions of early pregnancies. commonwealth united mortgage company網頁2016年3月2日 · Bruce effect was found to more likely occur when the odors of the male mice are different and, in case of inbred mice, males from different strains were more effective in inducing Bruce effect. In the experiments in Fig. 3.1, two different strains of mice, Balb/c and the F1 of cross between CBA/2 and C57BL/6 were used. duclaw in dog