| retention of leptospiral agglutinins and long-term response to administration of monoclonal antibodies in vervet monkeys (cercopithecus aethiops) on barbados. | in a study of 21 wild-caught barbadian vervet monkeys (cercopithecus aethiops sabaeus), naturally-acquired leptospiral agglutinins were found to persist for over five years. groups of seropositive as well as seronegative vervets were given a placebo, or full-strength monoclonal antibodies mca f12c3 (icterohaemorrhagiae copenhageni), or diluted f12c3 mcas. they were challenged 24 hours later with a suspension of highly virulent leptospires (copenhageni) administered intraperitoneally. immunoprote ... | 1991 | 1915792 |
| barbados green monkeys (chlorocebus sabaeus) recognize ancestral alarm calls after 350 years of isolation. | vervet monkeys (chlorocebus pygerythrus) produce alarm calls and anti-predator behaviors that are specific to a threatening predator's mode of attack. upon hearing a leopard alarm, the monkeys will run up trees where they are relatively safe. in contrast, eagle alarms prompt the monkeys to run under bushes and snake alarms stimulate bipedal standing. early researchers proposed that the meaning of each alarm call is conveyed by observational learning. if this true then absence of the predator tha ... | 2013 | 24129028 |
| do females pay attention to secondary sexual coloration in vervet monkeys (chlorocebus aethiops)? | several primate species show sexual dichromatism with males displaying conspicuous coloration of the pelage or skin. studies of scrotal coloration in male vervet monkeys (chlorocebus aethiops) suggest that it is an important intrasexual signal, with relatively dark, colourful males dominating paler males. to date, no studies have examined the influence of male colour on intersexual social interactions in vervet monkeys. the primary goal of the present study was to evaluate whether female vervet ... | 2010 | 19876610 |
| the finding of an inverse relationship between social dominance and feeding priority among pairs of unfamiliar adult male vervet monkeys (cercopithecus aethiops sabaeus). | dominance is often presumed to confer priority of access to resources. this study evaluated the relationship between two assessments of dominance: (1) social dominance, based on agonistic interactions and (2) feeding priority among pairs of unfamiliar adult vervet monkeys (cercopithecus aethiops sabaeus) differing in scrotal colour, but matched for height, weight and testicular volume, during paired introduction experiments. results of this investigation showed that neither size differences nor ... | 2002 | 12082301 |
| leptospires in vervet monkeys (cercopithecus aethiops sabaeus) on barbados. | agglutinins to leptospira were found at titers of greater than or equal to 1:100 in 150 of 501 (29.9%) vervet monkeys (cercopithecus aethiops sabaeus) bled within 1 mo of capture in barbados. including a further 34 of 145 bled within 1 yr of capture, the seropositivity prevalence was 28.5%. a further 35 monkeys (5.4%) had traces of agglutinins or gave titers of 1:50. the proportion of seropositive adults (41.5%) was more than twice that of seropositive immature monkeys (17.6%). among adults, 49. ... | 1987 | 3820429 |