2002
DOI: 10.1002/zoo.10045
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Effects of hand‐rearing on the reproductive success of western lowland gorillas in North America

Abstract: IllinoisThis study sought to assess the potential effects of hand-rearing by evaluating the relationships among rearing type and reproductive success in the American Zoo and Aquarium Association's Species Survival Plan s for western lowland gorillas. Our study included data on 697 gorillas: 257 wild-born (WB) and 440 born at zoos or related facilities in North America. We found no significant differences in the number of reproductive zoo-born (ZB) and WB females, but more WB males sired infants than their ZB c… Show more

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Cited by 38 publications
(42 citation statements)
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“…We do know from reproductive data comparing wild-born and hand-reared males that being mother-reared for the first 1-2 years has a considerable positive influence on reproductive success [Ryan et al, 2002]. Thus, this early period is probably a critical time in the development of appropriate social skills, and we should attempt to integrate individuals as early in this period as possible.…”
Section: Hand Rearingmentioning
confidence: 99%
“…We do know from reproductive data comparing wild-born and hand-reared males that being mother-reared for the first 1-2 years has a considerable positive influence on reproductive success [Ryan et al, 2002]. Thus, this early period is probably a critical time in the development of appropriate social skills, and we should attempt to integrate individuals as early in this period as possible.…”
Section: Hand Rearingmentioning
confidence: 99%
“…Therefore, it is difficult to obtain offspring by crossing individuals with interesting traits or genes. Second, handreared males failed to copulate with other NHP including marmosets [4][5][6][7]. We expect that these difficulties can be overcome using artificial insemination (AI) and assisted reproductive technology.…”
Section: Introductionmentioning
confidence: 99%
“…Hand-rearing is generally a strategy of last resort because it can produce undesirable life-long changes in behaviour, such as heightened fear and aggression and poor social and parenting skills (e.g. Mellen, 1992;Ryan et al, 2002;Kreger et al, 2004). It has also been linked to the increased performance of stereotypic behaviours.…”
Section: The Effects Of Human-rearing Versus Mother-rearingmentioning
confidence: 99%