Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 36 for “"Captive breeding"”.
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Captive breeding programmes for nocturnal prosimians
… update and contribute to the limited research on captive populations of nocturnal prosimians. The study consists of two parts. Part one aimed to identify the current European captive population of six nocturnal prosimian species (aye-aye, fat-tailed dwarf lemur, Goodman’s mouse lemur, grey mouse …
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What studbooks can tell us about captive breeding programmes : a case study of cheetahs (Acinonyx jubatus)
The success of captive breeding programmes demands planning and communication among zoos, national parks, conservation organizations and political institutions. To avoid inbreeding and enhance the likelihood of finding suitable partners, target individuals may need to be transported from one …
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Supplementing the studbook. Using genetic analysis to complement a captive breeding programme of an endangered primate, Hylobates moloch.
Genetic analysis of animals involved in captive breeding and reintroduction programmes can provide valuable information to aid in maintaining wild type genotypes and genetic variability. Hylobates moloch, also referred to as the silvery gibbon, is an Endangered primate species endemic to the …
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The reintroduction of bearded vultures in South Africa: a feasibility analysis
… Various release strategies ranging from captive breeding prioritization to release prioritization were modelled using stochastic modelling software. Results indicated that straight releases, without any captive breeding support, had a high probability of failure (defined <34 individuals) …
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Solitary, reproductive, and parental behavior of maned wolves (Chrysocyon brachyurus)
… to preserve the species in the wild and through captive breeding programs have been hampered by a lack of information on its natural history. The maned wolf is a member of the family Canidae, which is known for extensive paternal care. Thus, the maned wolf is an interesting species for studying …
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Wildlife trade in Latin America: people, economy and conservation
… the activity, and the effectiveness of certified captive-breeding as a strategy to curb the illegal market in Latin America through a multidisciplinary approach. I assess socioeconomic correlates of the emerging international trade in wild cat species from Latin America using a dataset of >1,000 …
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STRUCTURAL AND FUNCTIONAL CHARACTERIZATION OF THE PANAMANIAN GOLDEN FROG (ATELOPUS ZETEKI) SPERMATOZOA – IMPACT OF MEDIUM OSMOLALITY AND CRYOPRESERVATION ON MOTILITY AND CELL VIABILITY
… in Panama and the US have established captive breeding programs for the species but there is still much to be learned about its reproductive physiology to manage and sustain populations using Assisted Reproductive Technologies (ARTs). The main objectives of this dissertation were: 1) …
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Wild Tigers in Captivity: A Study of the Effects of the Captive Environment on Tiger Behavior
… as swimming, climbing, stalking, and predation). Captive environments in zoological parks often do not provide for natural behaviors due to spatial constraints and negative public reaction. Tigers (Panthera tigris) present a difficult case; they have large home ranges in the wild and natural …
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Evaluation of the Genetic Management of the Endangered Mississippi Sandhill Crane (Grus canadensis pulla)
… from the U.S. Fish and Wildlife Service managed captive breeding and release program. Microsatellite DNA data provided information on shared founder genotypes, allowing for refined analysis of genetic variation in the population, and informed breeding recommendations. The genetic variation …
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Effects of Visitors and Enrichments on Behavior of Captive Red Wolves’ (Canis rufus) at the Great Plains Zoo, Sioux Falls, South Dakota
… first animals to maintain a wild population from captive, released individuals. A captive breeding program for red wolves was started before complete extirpation, and 4 breeding pairs were released in Alligator River National Wildlife Refuge (North Carolina) in 1987 and a small wild population …
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Experimental test of the effects of supportive breeding on wild populations
Supportive breeding is currently being used in the management of threatened populations, but the effects of this management strategy remain relatively untested. The common house fly, Musca domestica, was used as a model to assess the relative effectiveness of supportive breeding strategies for …
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Investigating genetic vulnerability to chronic wasting disease in endangered cervid taxa
… Chapter 3, I determine the PRNP polymorphisms of captive Pere David’s deer (Elaphurus davidianus), which are classified as extinct in the wild, and are kept in various captive breeding programs at zoos accredited by the Association of Zoos and Aquariums (AZA), and relate the findings to their …
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The conservation ecology of the Dorcas gazelle (Gazella dorcas) in North East Libya
… conservation efforts are necessary, including captive breeding and reintroduction programmes. The findings suggested that the International Union for the Conservation of Nature (IUCN) classification of Dorcas gazelle in Libya should be revised from ‘Endangered’ to ‘Critically Endangered’ and …
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Fitness for the Ark : are zoo bred amphibians ready to go back to the wild?
… endangered species through the reintroduction of captive-bred animals into the wild. Reintroduction is becoming a high-profile management tool for many threatened species, but it is unknown how many generations of captive breeding can influence a species’ physical and behavioural characteristics. …
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Reproductive Endocrinology and Musth-Behavior of a Captive Male Asian Elephant (Elephas Maximus)
Captive breeding programs for Asian elephants (Elephas maximus) in North America are dependent on successful management of male elephants. This is a difficult undertaking, which is made even more difficult by a temporary state of aggressive behavior unique to male elephants called "musth." Musth is …
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Empirical approaches to the conservation of Margaritifera Margaritifera
… attaching Passive Integrated Transponder tag to captive-bred freshwater mussels used in translocation studies may incur energetic costs through reduced short term activity and the increased effort required to re-burrow into the substrate<br/>Captive-bred Freshwater pearl mussels released into the …
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Plague on the Prairie : the fight to save black-footed ferrets from the West's most insidious disease
… ferret into captivity. Thanks to decades of captive breeding and release efforts involving hundreds of people, there are now a few hundred black-footed ferrets back in the wild today. The black-footed ferret recovery effort has yet to overcome its greatest challenge, however: plague. Keeping …
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Life history implications of the mother's choice for a larval habitat. Niche choice and niche conformance in the fire salamander, Salamandra salamandra
… European fire salamander and recommendations for captive breeding programs (Chapter IX). In the last chapter (Chapter X), I summarised the key results, put them into a larger context and discussed the implications for future research. <br /> This work revealed that there is no clear evidence for …
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Issues in the Captive Management of Hartebeest (<em>Alcelaphus buselaphus</em>)
… populations, <em>ex situ</em> measures (e.g., captive breeding) have been employed. In recent years there has been a remarkable increase in the use of captive propagation procedures for maintaining populations of endangered and threatened taxa. Although captive breeding has played an important …
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Isolation and Characterization of Polymorphic Loci from the Caribbean Flamingo (Phoenicopterus ruber ruber): New Tools for Wildlife Management
… used to verify parentage relationships within a captive-breeding population of African greater flamingos. Parentage predictions based upon gamekeeper observations of breeding and nesting did not always agree with genetic-based parentage analyses of the nine suggested family groups. Four family …
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