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 27 for “"felids"”.
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Immunogenetics of free-ranging felids on Namibian farmlands
… of MHC variation at the population level in both felids, 2) the association between levels of MHC variation and disease resistance in free-ranging cheetahs, and 3) the role of selection at different time scales in shaping MHC variation in both felids. Cheetahs and leopards represent the largest …
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Investigation of spermatozoal metabolism and substrate utilization in domestic and non-domestic felids
Cryopreservation of spermatozoa is a critical aspect of assisted reproduction. However in most cases, this process causes diminished spermatozoal function and low cellular survival. The effects of cryopreservation are further compounded in spermatozoa from individuals with disorders known to affect …
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Detection of Babesia species in domestic and wild Southern African felids by means of DNA probes
… the two best characterised Babesia species in felids. These two parasites are morphologically similar when examined under a light microscope, but are serologically and genetically distinct. In this study the prevalence of these two Babesia species in various wild and domestic felid species was …
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Fire, flooding, and felids: Deer and puma spatial ecology and predator-prey interactions in dynamic, subtropical wildlands
Cyclic and extreme ecological disturbances have the capacity to alter resources and thereby animal populations. Interactions between disturbance and resource availability can influence predator-prey interactions. Predator-prey responses to ecological disturbance may be more pronounced in herbivores …
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Nutritional and Health Consequences of Feeding Diets of Varied Macronutrient Composition and Subjected to Select Processing Conditions in Domestic and Wild Felids
… or maintaining domestic and captive exotic felids through nutritional intervention. Five studies were performed to address two primary research objectives: (1) to determine changes in macronutrient digestibilities and fecal fermentative end-products of raw and extruded diets fed to domestic …
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Inactivity and overfeeding related changes in skeletal muscle composition and metabolism in captive felids - are they at risk of developing metabolic syndrome?
Obesity and physical inactivity are established key risk factors in the development of skeletal muscle insulin-resistance and type II diabetes in human and domestic animal populations. Wild animals are similarly exposed to these risk factors as a result of captivity. This study aimed at describing …
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Noninvasive tracking of jaguars (Panthera onca) and co-occurring Neotropical felids in Belize, Central America by genotyping feces and remote camera trapping
… genetic study on wild populations of Neotropical felids coexisting across fragmented forest habitats in Belize, Central America. Specifically, we analyzed multi-locus data in jaguars (Panthera onca), pumas (Puma concolor) and ocelots (Leopardus pardalis) collected from 1053 scat samples across …
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Non-invasive assessment of stress hormones, parasites, and diet, using scat of five felid species in Belize, Central America
… the effects of human-modified habitats on native felids by comparing fecal glucocorticoid metabolite (FGM) concentrations, endoparasite species richness (ESR), and diet using non-invasive scat sampling in a protected forest vs. surrounding non-protected areas in Belize. Field studies relying on …
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Nutritional evaluation of raw meat and whole prey diets for domestic and exotic cats
For captive exotic felids, the predominant diet types fed are raw meat-based and whole prey diets. These diet types are not the most common fed to domestic cats, but there has been increased interest in feeding alternative diet types, including raw and whole prey diets. There is a paucity of …
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Problem-solving capabilities as a test of predator adaptability: A comparision of bobcats (Lynx rufus) and Canada lynx (Lynx canadensis)
… rufus</italic>) are two closely related felids occurring naturally in North America. Bobcats are generalized hunters across their range while Canada lynx are specialized to hunt lagomorphs, especially snowshoe hare (<italic>Lepus americanus</italic>). Many wildlife professionals …
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Role of endogenous retrovirus in control of feline leukemia virus infection and implications for cross species transmission
… reports have documented FeLV infections in wild felids with pathogenic consequences. Chapter Three examines the root of a contemporary FeLV outbreak in Florida panthers (Puma concolor coryi), a species that lacks endogenous FeLV. Our phylogenetic analysis of the contemporary FeLV outbreak has …
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Priming with Oral Progestin Before Ovulation Induction Facilitates Ovarian Function in the Cat (Felis catus)
… success remains low (< 5%) following AI in most felids, particularly in species that spontaneously ovulate. This failure has been attributed to variable ovarian status at the time of insemination and adverse residual effects caused by exogenous gonadotropins used to induce ovulation. Using the …
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Ecology and restoration of Sumatran tigers in forest and plantation landscapes
… possible inter-specific interactions among wild felids, including tigers and smaller cats, based on data collected using systematic camera trapping in combination with information on their natural history. I found that despite overlap in resource needs of the five felid species, each appears …
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Comparative Digital Examination of the Talocrural (ankle) Joint Provides Insight into Human bipedal locomotion
… non-human primates (N=29), ursids (n=3), and felids (n=2) were created and shapes of the talocrural joint surfaces were analyzed to identify locomotor patterns. Locomotor modality was identifiable through orientation of the joint surfaces and various morphological traits. Body size was also …
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Observing and measuring the drinking mechanism in cats
… universal lapping mechanism utilized by various felids and other animals. The fluid mechanism that cats utilize to consume liquid could potentially be applied to a number of engineering applications in the developing field of biomimetics.
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Growing up virtual : the computational lessons of development
… robustly adaptive intelligent creatures. From felids to oscines, developing animals are capable of learning in adverse environments with a reliability that often outpaces the current state-of-the-art in artificial intelligence (AI) The purpose of this thesis, therefore, is to examine how …
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The influence of habitat features and co-occurring species on puma (Puma concolor) occupancy across eight sites in Belize, Central America
… interspecific interactions of Central American felids is particularly lacking. I used single- and multi-season, single-species occupancy models and two-species co-occurrence models to analyze camera trapping and habitat data collected at eight study sites across Belize. Puma occupancy was …
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A Zooarchaeological Analysis of Hole-in-the-Wall Canyon (45KT12) and French Rapids (45KT13) Sites: Ginkgo State Park, Washington
… river mussels. Other fauna include carnivores (felids and canids), and a small assortment of fish and small mammals. Results of faunal analysis and site chronology data from 45KT12 and 45KT13 were compared to 16 other analyzed faunal assemblages from the Priest Rapids-Wanapum Reservoirs. It was …
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Wild Tigers in Captivity: A Study of the Effects of the Captive Environment on Tiger Behavior
… husbandry. A body of research exists on small felids, but little, if any, has focused on tigers. This thesis presents an analysis of the effects of the captive environment on the behaviors of 18 captive Bengal and Siberian tigers in four zoological parks in Virginia and Pennsylvania. Certain …
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Metabolism and cryo-sensitivity of domestic cat (Felis catus) and cheetah (Acinonyx jubatus) spermatozoa
… abnormal spermatozoa) is prevalent among felids facing extinction risk, including the cheetah. This trait also occurs in certain domestic cat populations, providing a valuable research model. Multiple components of sperm function are disrupted in teratospermic cats, and even structurally …
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