Index Catalog // ScholarsArchive@OSU

Estimation of Population Age Structure, Detection Probability, and Density of Red Tree Voles in Oregon

Creator:: Marks-Fife, Chad A.
Abstract:: Red tree voles (Arborimus longicaudus) are a unique species of Arvicoline rodent found in western Oregon and northwest California. Their preferred habitat is mature and old-growth coniferous forest dominated by Douglas-fir (Pseudotsuga menziesii). Tree voles are an important prey item for northern spotted owls and many other predators, but are...
Resource Type:: Masters Thesis
Full Text:: which I can never adequately thank him. I want to thank my committee members, Dan Edge and Bob Mason

Factors Affecting Histologic Tumor Free Margins in Widely Excised Feline Injection Site Sarcomas

Creator:: Terry, Jesse L.
Abstract:: Feline injection site sarcomas (FISS) are frequently encountered cutaneous and subcutaneous neoplasms of cats. Significant patient morbidity is related to the invasiveness these tumors display, typically requiring extensive local excision or amputation. As with many veterinary tumors, survival time and tumor recurrence for FISS is highly influenced by histologic margin...
Resource Type:: Masters Thesis

Effects of prostaglandin F2alpha on neutrophil populations, uterine health and reproductive performance in dairy cows, Effects of prostaglandin F₂α on neutrophil populations, uterine health and reproductive performance in dairy cows

Creator:: Lulay, Adrienne McCracken
Abstract:: Incidences of uterine infections in dairy cattle are high between parturition and Day 21 postpartum. Dairy cows with uterine infections are at risk for prolonged periods of days open and multiple services before becoming pregnant. Neutrophils are the first wave of immune system defense against uterine contamination. Neutrophil function seems...
Resource Type:: Masters Thesis

Giant gartersnake spatial ecology in agricultural and constructed wetlands

Creator:: Valcarcel, Patricia M.
Abstract:: The spatial ecology of a species is a vital component of informed management and restoration plans, yet little is known about how animals use restored or constructed habitat. We assessed home ranges, core areas, and habitat selection of the federally threatened Giant Gartersnake (Thamnophis gigas) using rice agricultural habitat and...
Resource Type:: Masters Thesis
Full Text:: thank my committee members, Tiffany Garcia and Robert Mason, for their help in designing the

Effects of Feeding OmniGen-AF® on Superovulatory Response in Donor Beef Cows

Creator:: Snider, Alexandria P.
Abstract:: One assisted reproductive tool used to propagate highly desirable genetics from elite sire and dam matings is embryo transfer. Superovulation is the first part of the overall protocol and it is a required yet costly and biologically stressful procedure in cattle embryo transfer. The process of superovulation results in high...
Resource Type:: Dissertation
Full Text:: to Dr. Malcolm Lowry, Dr. Joe Klopfenstein and Dr. Bob Mason for serving as my committee members

Pheromone Variation in Plethodontid Salamanders

Creator:: Chouinard, Adam J.
Abstract:: Plethodontid salamanders have served as an informative vertebrate system for studying the role of chemical signals in facilitating social and reproductive behaviors. Individuals produce complex mixtures of chemicals from multiple glandular regions. In total, these secretions convey a wide variety of information, and are important for numerous inter- and intraspecific...
Resource Type:: Dissertation
Full Text:: members of my committee. Dr. Mason has been an incredible mentor and friend throughout my time here, and

Porcine zona pellucida immunocontraceptive vaccine for horses

Creator:: Bartell, Jennifer Ann
Abstract:: The Bureau of Land Management (BLM) maintains a growing number of feral horses on public rangelands. With population growth rates as high as 22% annually, herds are exceeding their carrying capacity and millions of dollars are spent maintaining captured horses in holding facilities awaiting adoption. To manage the feral horse...
Resource Type:: Masters Thesis

The importance of egg size for the diversity of salmonids

Creator:: Leblanc, Camille A.
Abstract:: Understanding the origin and nature of intra specific biodiversity enables us to better conserve and manage animal populations. Biological diversity is seen at different scales and for different traits such as behavior, morphology, physiology, and life history. Behavior is especially important since behavioral changes are believed to precede changes in...
Resource Type:: Dissertation
Full Text:: a scientist. I would like to thank my graduate committee members Alix Gitelman, Robert Mason

Rearing density as a driver of adaptation to captivity and traits under selection by domestication in hatchery reared steelhead (Oncorhynchus mykiss)

Creator:: Thompson, Neil F.
Abstract:: Releasing hatchery reared salmon and steelhead to supplement threatened and endangered populations is a widely used conservation tool. One issue with this strategy is hatchery fish have lower reproductive fitness than wild fish when spawning in the wild. One of the drivers of fitness loss in steelhead is adaptation to...
Resource Type:: Dissertation
Full Text:: State. Jerri Bartholomew, Shaun Clements, Bob Mason and David Noakes provided insightful discussion

Mutual mate choice in a terrestrial salamander, Plethodon shermani, with long-term sperm storage

Creator:: Eddy, Sarah L.
Abstract:: Sexual selection can influence the mating system of an organism through multiple mechanisms. These mechanisms result in variation in reproductive success among individuals, and include scramble competition, endurance rivalries, contests, mate choice and cryptic choice, and sperm competition. Understanding the mating system of a species requires the identification of which...
Resource Type:: Dissertation
Full Text:: Haig, Kathy Magnusson and Bob Mason. I am also incredibly grateful for my labmates (both here at

ScholarsArchive@OSU

Estimation of Population Age Structure, Detection Probability, and Density of Red Tree Voles in Oregon

Factors Affecting Histologic Tumor Free Margins in Widely Excised Feline Injection Site Sarcomas

Effects of prostaglandin F2alpha on neutrophil populations, uterine health and reproductive performance in dairy cows, Effects of prostaglandin F₂α on neutrophil populations, uterine health and reproductive performance in dairy cows

Giant gartersnake spatial ecology in agricultural and constructed wetlands

Effects of Feeding OmniGen-AF® on Superovulatory Response in Donor Beef Cows

Pheromone Variation in Plethodontid Salamanders

Porcine zona pellucida immunocontraceptive vaccine for horses

The importance of egg size for the diversity of salmonids

Rearing density as a driver of adaptation to captivity and traits under selection by domestication in hatchery reared steelhead (Oncorhynchus mykiss)

Mutual mate choice in a terrestrial salamander, Plethodon shermani, with long-term sperm storage

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