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  1. Endocrine correlates of social and reproductive behaviours in a group-living Australian Passerine, the White-Browed Babbler

    Theses | Contributor(s): Suzanne Oppenheimer

    To investigate the evolutionary rationale for the seemingly altruistic behaviours commonly seen in cooperatively breeding Australian passerines, I examined alloparental behaviour in the White-browed Babbler Pomatostomus superciliosus (WBBA). Toward this end, I analysed behavioural, hormonal, and...

  2. Development of frequency modulated vocalizations in big brown bat pups

    Theses | Contributor(s): Heather W. Mayberry, Dr. Paul A. Faure (adviser)

    Developing bat pups produce distinct vocalizations called isolation calls (I‐calls) that serve to attract the bat's mother. Mothers use spatial memory, auditory and olfactory cues to reunite with their offspring. Because I‐calls are unique to individual pups, vocalizations are crucial for the...

  3. Behavioral ecology of savanna chimpanzees (Pan troglodytes verus) with respect to insectivory at Fongoli, Senegal

    Theses | Contributor(s): Stephanie Lynn Bogart, Jill D. Pruetz (adviser)

    In this dissertation I examine the behavioral ecology of savanna chimpanzees in Senegal. I test hypotheses related to the effects of the environment on the diet of the chimpanzees at Fongoli, concentrating on their insectivory specifically. Fongoli is the hottest and driest site in which...

  4. Developing an online horseless horse learning lesson: an action research study

    Theses | Contributor(s): Jessica M. Bauman, Kathleen Lodl (adviser)

    In today’s society it is becoming ever so important to find creative and influential outlets to keep young people occupied in positive ways. High quality youth programs are shown to make a positive difference in the lives of many young people; therefore, it is important to continue the use of...

  5. Improving beef cattle performance on tall fescue

    Theses | Contributor(s): Brian Thomas Campbell

    The overall goal of the studies described in this dissertation was to improve beef production of cows grazing endophyte infected tall fescue either through management practices or through identifying markers for genetic selection. Experiment 1 investigated differences in spring and fall calving...

  6. A candidate gene association study of cryptorchidism and scrotal hernia using canine and porcine models

    Theses | Contributor(s): Xia Zhao, Max Rothschild (adviser)

    Cryptorchidism and scrotal hernia, both being sex-limited complex defects, are the most common congenital defects observed in humans, dogs and pigs. It is believed that these two defects are controlled by multiple genes as well as affected by environmental factors. In this thesis, 22 or 14...

  7. From pasture to plate: A study of the rituals, ecology and economics of sheep in the context of Aid Al Adha in Morocco

    Theses | Contributor(s): Carrisa Sue Pritchard, Mokhtar Harras (adviser)

    This project addresses the ecological and economic roles that sheep play in Morocco in the context of Aid Al Adha celebration. It specifically examines the methods of sacrificing, butchering and preparing the different parts of the ram as part of the holiday as experienced by the researcher in a...

  8. Habitat associations of the long-nosed potoroo (potoroos tridactylus) at multiple spatial scales

    Theses | Contributor(s): Melinda A. Norton

    The long-nosed potoroo (Potorous tridactylus) is a threatened, ground-dwelling marsupial known to have been highly disadvantaged by changes brought about since European settlement in Australia. Key threats to the species are believed to be fox predation and habitat loss and/or fragmentation. In...

  9. Phylogeny, convergence, and snake behavior

    Theses | Contributor(s): Harry Walter Greene

    Comparative studies of snake behavior were used to confront three related conceptual issues in ethology: (i) Can behavior evolve? (ii) If so, how can the origins of similarities and differences in behavior among animals be assessed? (iii) What is the significance of this information for...

  10. Role of abiotic factors on the development and life history of the black soldier fly, Hermetia illucens (L.) (Diptera: Stratiomyidae)

    Theses | Contributor(s): Leslie Holmes

    Hermetia illucens (L.) (Diptera: Stratiomyidae) has been found to successfully reduce manure in confined animal feeding operations of poultry, swine and bovine. In equatorial climates, H. illucens is active year round, however, in more temperate climates they are only active during the warmer...

  11. Habitat use by black bears in relation to forest management in Pisgah National Forest, North Carolina

    Theses | Contributor(s): Allan Joseph Brody

    A total of 1310 locations was obtained on 18 radio collared black bears (Ursus americanus) in Pisgah National Forrest, North Carolina, during 1982 and 1983. Male home ranges averaged 3205 ha in summer and 6931 ha in fall. Female home ranges averaged 872 hectares in summer and 1712 hectares in...

  12. Investigating the role of an understudied North Atlantic right whale habitat: right whale movement, ecology, and distribution in Jeffreys Ledge

    Theses | Contributor(s): Kathryn Longley

    The critically endangered North Atlantic right whale (Eubalaena glacialis) consistently visits five major habitats throughout the year; however, they are known to visit additional habitats. This project examines the role of Jeffreys Ledge as an additional habitat of importance for this species...

  13. Movement of Juvenile Lake Sturgeon (Acipenser fulvescens) in the Lower Genesee River, New York

    Theses | Contributor(s): Mananjo Jonahson

    As an important step in a long-term stocking program, this project investigated the movement and habitat use of juvenile lake sturgeon after they were stocked in the lower Genesee River, New York. Nine young animals were selected to represent the population, ranging from two to three years of...

  14. Use of injectable eugenol for euthanasia and anesthesia of American lobsters (homarus americanus) and similar species

    Theses | Contributor(s): Carlton Huntsberger

    Crustaceans are economically and ecologically significant, but current treatment and diagnostic protocols for crustacean health are limited. According to standards given by the American Veterinary Medical Association there are no current methods of euthanizing lobsters, nor are there effective...

  15. Whole transcriptome response of chicken spleen and peripheral blood leukocytes to avian pathogenic Escherichia coli

    Theses | Contributor(s): Erin Elizabeth Sandford, Susan J. Lamont (adviser)

    A greater understanding of the immune response after infection can form the necessary foundation of knowledge needed to enhance immunity through genetic selection. Whole genome microarrays allow for comprehensive analysis of the transcriptome. The transcriptomic responses of spleen and...

  16. Individual differences and pet ownership status: distinguishing among different types of pet owners and non-owners

    Theses | Contributor(s): Shannon M. Merrill

    Research examining potential differences between pet owners and non-owners is prevalent in the scientific literature, but findings have often been inconsistent. Although some researchers have incorporated animal preference into their investigations of pet ownership, such research is scarce and...

  17. An evaluation of the endocrine response to dystocia in the primiparous cow and calf

    Theses | Contributor(s): Glenda M. Borcher

    Parturition is a very stressful event for both the cow and the calf. Endocrine changes occur which typically enable to calf to make the transition from a uterine to a gaseous environment. These endocrine changes are basic stress responses, necessary for an organism to maintain homeostasis. They...

  18. Shifting focus: redefining the goals of sea turtle consumption and protection in Bali

    Theses | Contributor(s): Audrey Jensen, Windia Adnyana (adviser)

    Many would say that the environment and human culture consists of an evolutionary process, complete with necessary adaptations to current situations and the availability of resources. However, religion is usually thought to be a constant, an entity that grounds the individual believer in a...

  19. Metabolism and cryo-sensitivity of domestic cat (Felis catus) and cheetah (Acinonyx jubatus) spermatozoa

    Theses | Contributor(s): Kimberly Terrell

    Teratospermia (ejaculation of ≥ 60% structurally 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...

  20. The effect of selection for intramuscular fat on fatty acid composition in Duroc pigs

    Theses | Contributor(s): Jeremy L. Burkett, Tom J. Baas (adviser)

    Intensive selection for increased has caused consumer acceptance issues to arise, as a result of decreased meat quality, in the U. S. swine industry. Quality characteristics that play an integral role in consumer acceptance, such as intramuscular fat (IMF), have decreased as breeders have...