ROLE OF FEMALE DURING COPULATION IN WILD AND DOMESTIC NORWAY RATS (RATTUS-NORVEGICUS)
ROLE OF FEMALE DURING COPULATION IN WILD AND DOMESTIC NORWAY RATS (RATTUS-NORVEGICUS)
复制标题
DOI：
10.1163/156853978x00260
复制
发表时间：
1978-01-01
期刊：
影响因子：
1.3
通讯作者：
ADLER, NT
中科院分区：
文献类型：
--
作者：
MCCLINTOCK, MK;ADLER, NT
本文报道了野生和家养红腹果蝇的交配行为。褐家鼠是通过连续视频监测观察到的，因为它是在大的半自然环境和标准实验室条件下自发发生的。析因设计表明，雌性Norway大鼠在交配开始后决定交配数量和时间的主要作用。野生对之间的交配的特点是射精系列比国内对。第一射精系列的野生对包含更多的intromissions在较长的时间间隔。国内对有相同的总数量的插入在一个交配会议，但分散在多次射精系列与少数插入在短时间间隔在第一系列。野生和家养交配模式的特征差异是由雌性的应变条件决定的，并且与雄性的应变条件在统计学上是独立的或相反。野生和国内人口之间的这些差异所产生的差异，积极征求个别女性的一个intromission率。两种菌株的阴道大小和位置之间没有大体解剖学差异。雌性引诱是一种独特的、可量化的行为，在标准测试笼中没有发现，它的发生取决于更大、更复杂的环境。交配与野生男性的特点是较长的时间间隔之间的第一射精系列比国内男性。野生环境的对和女性表现出相反的效果。这种差异进行了评估，在人口水平上的不同交配策略的2个性别和个人的相互作用，允许一个妥协的成功繁殖的一对。
The copulatory behavior of both wild and domestic strains of R. norvegicus was observed via continuous video monitoring as it spontaneously occurred in the large semi-natural environment and under standard laboratory conditions. A factorial design demonstrated that the female Norway rat has the major role determining the amount and timing of copulation once mating begins. Copulation between wild pairs was characterized by fewer ejaculatory series than domestic pairs. The 1st ejaculatory series of wild pairs contained more intromissions at longer intervals. Domestic pairs had the same total number of intromissions in a copulatory session, but spread over multiple ejaculatory series with few intromissions at short intervals inthe first series. The characteristic differences between the copulatory patterns of wild and domestic pairs was determined by the female''s strain condition and was either statistically independent or opposite to the male''s strain condition. These differences between wild and domestic populations were produced by differences in the rate of active solicitations for an intromission by individual females. There were no gross anatomical differences between the vaginal size and placement of the 2 strains. The female solicitation is a distinct and quantifiable behavior not found in the standard testing cage and its occurrence depends on a larger and more complex environment. Copulation with a wild male was characterized by longer intervals between the intromissions of the 1st ejaculatory series than with a domestic male. The wild condition of both the pair and the female showed the opposite effect. This difference was evaluated in terms of the different mating strategies for the 2 sexes on a population level and in terms of the individual interactions that allow a compromise for successful reproduction of the pair.