圈养雄性川金丝猴交配模式  

MALE COPULATORY PATTERNS IN CAPTIVE SICHUAN SNUB-NOSED MONKEYS (RHINOPITHECUS ROXELLANA)

作　　者：任宝平[1] 夏述忠[2] 李庆芬[1] 张树义[3] 梁冰[3] 邱军华[2] 

机构地区：[1]北京师范大学生命科学学院,北京100875 [2]上海野生动物园,上海201300 [3]中国科学院动物研究所,北京100080

出　　处：《动物学报》2002年第5期577-584,共8页ACTA ZOOLOGICA SINICA

基　　金：中国科学院"知识创新工程"重要创新方向 (KSCX 2 1 0 3 )项目;国家自然科学基金委员会杰出青年基金 (No .3 0 0 2 5 0 0 7)资助~~

摘　　要：采用焦点动物观察取样法对上海野生动物园半散放的一群川金丝猴 (7♂ ,4♀ )交配活动进行了为期一年的观察 ,发现该物种在交配过程中无锁结现象 ,通常在一次爬跨及数次 (2± 1 5 8,n =782 )抽动后出现射精 ;在 1h之内出现两次射精的比例约占总射精数的 2 6 %。根据Dewsbury分类标准 ,我们认为雄性川金丝猴的交配模式在Dewsbury的分类系统中应属第 11种 (无锁结、有抽动、一次深插入、多次射精 )和第 12种 (无锁结、有抽动、一次深插入、单次射精 )两种模式。川金丝猴的整个交配过程持续时间约为 19 4± 0 7(782 )s,按照Dixson的标准 (插入持续时间 6 0s以下为短时插入型 ) ,应属第 12种 (无锁结、有抽动、一次短时间插入 )。We observed male copulatory behavior in a captive group of the Sichuan snub nosed monkey comprised of 11 individuals, seven males and four females, with focal animal sampling technique, during May 2000～May 2001 at Shanghai Wild Animal Park. The group consisted of two subunits: one was a one male and multi female unit (four females) and the other was an all male unit (two adults, one subadult and one juvenile). During the whole study, four takeovers of dominant male took place, and all of the three adult males involved into the mating activities successively. Among about 1 630 sexual interactions, females were responsible for 94 2% of all sexual solicitations which suggested that it was females who were the main sexual solicitors in this species. About 47 9% of female sexual prostrations were responded by male mounting and only 38 9% of the total mounting interactions resulted in ejaculation by males. No successful female's sexual disturbance was observed for the reproductive reason. Although the dominant male monopolized all the females, solicitation by females still had dramatic effect on the copulatory frequencies among different mating pairs. In this monkey species, a copulatory lock was absent, and the male was capable of ejaculating following a single mounting and may ejaculate more than once during 30 min observation session. The average mating duration was about 19 4±0 7 seconds. The percentage of mounting that were followed by ejaculation was about 26%. Copulatory patterns included No 11 (no lock, thrusting, multiple intromission, and single ejaculation) and No 12 (no lock, thrusting, single intromission, and single ejaculation) in Dewsbury's male copulatory patterned system, and No 12 (no lock, thrusting, single and brief intromission) in Dixson's classification.

关 键 词：半散放 圈养猴 雄性川金丝猴 交配模式 

分 类 号：Q959.8[生物学—动物学]