摘要:

AbstractThe excretion of three gonadal steroids was studied in the urine and feces of female cotton‐top tamarins (Saguinus oedipus oedipus). Each steroid,14C‐estrone,14C‐estradiol, and14C‐progesterone, was injected into a separate female cotton‐top tamarin. Urine and feces were collected at 8 hr intervals for 5 days on the three tamarins. Samples were analyzed to determine the proportion of free and conjugated steroids. Steroid excretion patterns were determined by sequential ether extraction, enzyme hydrolysis, and chromatography. Labeled estrone was excreted in a slow and continuous manner into the urine (57%) and feces (43%) with 90% of the steroid conjugated. The nonconjugated form had an elution profile identical to3H estrone, but the conjugated portion was not completely hydrolyzed by enzyme. Labeled estradiol was excreted primarily in the urine (87%) and was released rapidly. Over 90% of the injected14C‐estradiol was excreted in urine as a conjugate, of which 41% was converted to an estrone conjugate and the remaining 59% was excreted as a polar estradiol conjugate. Labeled progesterone was excreted primarily in the feces (95%), 61% of which was free steroid. Four to six individual peaks of radioactivity were found when using celite chromatography and high performance liquid chromatography (HPLC), indicating that progesterone is metabolized into several urinary and fecal metabolites. One of these peaks matched3H‐progesterone and others may be pregnanediols, pregnanetriols, and 17‐hydroxyprogesterone. These steroidal excretion patterns help explain the atypical hormonal patterns seen during the tamari

ISSN:0275-2565    

DOI:10.1002/ajp.1350170302

出版商:Wiley Subscription Services, Inc., A Wiley Company    

年代:1989

数据来源: WILEY

摘要:

AbstractThe oceanic island of Simeulue, west of Sumatra, is inhabited by a distinct subspecies of the long‐tailed macaque (Macaca fascicularis fusca) [Miller, 1903]. In January 1982 and March 1984, a survey was conducted to establish its population status. The monkey is morphologically different from other Sunda shelfM. fascicularispopulations. In productive habitats, it lives in small groups (10–15 individuals) and reaches a density of more than one monkey/hectare (ha). The island's total population is estimated to be at least 50,000. The authors suggest that the location of a proposed reserve be shifted to include more of the most favorable habitat, i.e., alluvial for

ISSN:0275-2565    

DOI:10.1002/ajp.1350170303

出版商:Wiley Subscription Services, Inc., A Wiley Company    

年代:1989

数据来源: WILEY

摘要:

AbstractAllele‐frequency data have been assembled for 35 blood‐protein loci in 17 of 19 recognized species ofMacacabased on 29 published electrophoretic studies; studies of inbred captive colonies have been excluded. Data for 22 polymorphic loci are tabulated in detail for 43 geographic populations of these species. Calculated FSTvalues provide a measure of intergroup genetic differentiation at various hierarchical levels—troop, locality, province, country or island, species, species group; polymorphism indices measure genetic variation. The greatest intraspecific genetic differentiation occurs at the level of island populations within species. The pattern of genetic variation among island populations appears to be relictual, suggesting that the reduced genetic variability of island populations of macaques is a result of postisolation genetic drift rather than founder effect. Interspecific relationships were investigated by means of a jackknifed Fitch‐Margoliash algorithm, usingPapioas outgroup. Phylogenetic inferences based on morphology and zoogeography. The reduced genetic variability that frequently characterizes insular macaque populations complicates phylogenetic interpretation of blood‐protein

ISSN:0275-2565    

DOI:10.1002/ajp.1350170304

出版商:Wiley Subscription Services, Inc., A Wiley Company    

年代:1989

数据来源: WILEY

摘要:

AbstractAn attempt was made to pair ten unrelated, adult male rhesus monkeys that had been kept in single cages for several years. Potential companions were first given the opportunity to establish clear‐cut rank relationships (unidirectional fear‐grinning and/or withdrawing) during a 5‐day period of noncontact familiarization. Only then were they paired in a different double cage. Rank relationships were confirmed within the first 6 minutes after pairing without the occurrence of any biting and fighting. A total of four physical aggressions (slapping) were observed in all five dyads during 5 hours of observations on the first 5 days after pairing. It was concluded that the establishment of clear‐cut rank relationships prior to pairing was instrumental in this extremely low incidence of agg

ISSN:0275-2565    

DOI:10.1002/ajp.1350170305

出版商:Wiley Subscription Services, Inc., A Wiley Company    

年代:1989

数据来源: WILEY

ISSN:0275-2565    

DOI:10.1002/ajp.1350170306

出版商:Wiley Subscription Services, Inc., A Wiley Company    

年代:1989

数据来源: WILEY

ISSN:0275-2565    

DOI:10.1002/ajp.1350170307

出版商:Wiley Subscription Services, Inc., A Wiley Company    

年代:1989

数据来源: WILEY

ISSN:0275-2565    

DOI:10.1002/ajp.1350170308

出版商:Wiley Subscription Services, Inc., A Wiley Company    

年代:1989

数据来源: WILEY

ISSN:0275-2565    

DOI:10.1002/ajp.1350170301

出版商:Wiley Subscription Services, Inc., A Wiley Company    

年代:1989

数据来源: WILEY