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Articles 1 - 7 of 7
Full-Text Articles in Veterinary Medicine
The Effect Of Experimental Gastric Dilatation-Volvulus On The Adenosine Triphosphate Content And Cellular Permeability Of The Canine Gastric And Jejunal Mucosa, Laura Elizabeth Peycke
The Effect Of Experimental Gastric Dilatation-Volvulus On The Adenosine Triphosphate Content And Cellular Permeability Of The Canine Gastric And Jejunal Mucosa, Laura Elizabeth Peycke
LSU Master's Theses
This study was designed to characterize changes in the content of adenosine triphosphate (ATP) and cellular permeability of gastric and jejunal mucosa during gastric dilatation-volvulus (GDV). Our hypothesis stated that experimental GDV would result in a decrease in ATP content and cellular integrity of the gastric and intestinal mucosa that may improve after decompression and derotation of the stomach. Fifteen medium-to-large mixed-breed male dogs were randomly divided into three groups: GDV dogs, Ischemia dogs and Control dogs. All dogs were maintained on gas anesthesia for 210 minutes. The GDV dogs had a GDV for 120 minutes with a 90-minute period …
Antipredator Conditioning In Mississippi Sandhill Cranes (Grus Canadensis Pulla), Jennifer Jill Heatley
Antipredator Conditioning In Mississippi Sandhill Cranes (Grus Canadensis Pulla), Jennifer Jill Heatley
LSU Master's Theses
The Mississippi Sandhill Crane (Grus canadensis pulla), the most endangered North American crane, is considered critically endangered and is protected by Federal and State law. Substantial funding has established the Mississippi Sandhill Crane National Wildlife Refuge in Southern Mississippi and an artificial insemination / breeding facility at the Audubon Center for Research of Endangered Species in New Orleans, Louisiana to promote species recovery. In spite of extensive time, labor, and money invested in captive propagation, juvenile Mississippi Sandhill Cranes suffer substantial mortality due to predation by bobcats (Lynx rufus), coyotes (Canis latrans) and red tailed hawks (Buteo jamaicensis) upon reintroduction …
Approaches To Measuring The Frequency Of Achondroplasia And Hypochondroplasia Causing Fgfr-3 Mutations In Human Sperm, Andrew Timothy Daters
Approaches To Measuring The Frequency Of Achondroplasia And Hypochondroplasia Causing Fgfr-3 Mutations In Human Sperm, Andrew Timothy Daters
LSU Master's Theses
Achondroplasia and hypochondroplasia are two forms of skeletal dysplasias caused predominantly by single base mutations in the fibroblast growth factor receptor 3 gene (FGFR-3). The mutation for achondroplasia is a G1138A/C substitution and the mutation for hypochondroplasia (occurring about 50% of the time) is a C1620A/G substitution. Recent genetic studies have shown that spontaneous mutations for achondroplasia and hypochondroplasia occur exclusively on the paternally derived chromosome, suggesting that these mutations occur preferentially during spermatogenesis. For unknown reasons, the mutation rates at these FGFR-3 nucleotides appear to occur at a much higher frequency than nucleotide specific mutation rates observed in other …
Plasmid-Mediated Expression Of Foreign Genes In Ehrlichia Canis, Langston Dolphus Hull
Plasmid-Mediated Expression Of Foreign Genes In Ehrlichia Canis, Langston Dolphus Hull
LSU Doctoral Dissertations
Ehrlichia canis is the etiologic agent of “tropical canine pancytopenia”, or canine ehrlichiosis. The impetus for this research was to overcome the lack of any reliable means of elucidating the genetic profiles of these illusive and historically difficult to manipulate organisms. The use of a broad-host range plasmid greatly facilitated the determination of an electro-transformation protocol. The transforming plasmid possesses a chloramphenicol antibiotic resistance gene marker (chloramphenicol acetyltransferase [CAT] gene), and a visual reporter gene marker, the Green Fluorescent Protein (GFP) gene. With primer sets designed to specifically amplify these two plasmid encoded gene markers, thus verifying the presence of …
Pathogenic Mechanisms Of Photobacterium Damselae Subspecies Piscicida In Hybrid Striped Bass, Ahmad A. Elkamel
Pathogenic Mechanisms Of Photobacterium Damselae Subspecies Piscicida In Hybrid Striped Bass, Ahmad A. Elkamel
LSU Doctoral Dissertations
Photobacterium damselae subspecies piscicida, previously known as Pasteurella piscicida, is an important pathogen of hybrid striped bass and many fish species cultured in brackish water in the United States, Japan, Europe, and the Mediterranean. The purpose of this study is to investigate virulence mechanisms that contribute to the pathogenesis of this organism. The ability of P. damselae to survive/replicate within hybrid striped bass macrophages was evaluated with an in vitro killing assay. Results indicated that the numbers of bacteria recovered from macrophages at 3, 6, 12, and 18 hours of incubation increased significantly over time. In contrast, the numbers of …
Misconceptions Surrounding The Safety Of Home Birth And Hospital Birth, Misty D. Richard
Misconceptions Surrounding The Safety Of Home Birth And Hospital Birth, Misty D. Richard
LSU Master's Theses
Much debate surrounds the topic of women choosing to deliver their infants at home with the services of a midwife. The outcomes of women beginning labor at home, ultimately delivering at home, and the infants born at home were studied in order to determine the safety of home birth among expectant women choosing to be attended by a midwife licensed to practice by the state of Louisiana. Trends associated with those choosing home birth and the frequency of home birth were also analyzed. The study was conducted using retrospective records of clients accepted during the study years 1986-2000. During the …
Evaluation Of Feeding Chlamydospores Of Duddingtonia Flagrans To Ewe/Lamb Pairs And Weaned Lambs To Biologically Control Levels Of Haemonchus On Pasture, Natalee Peart
LSU Master's Theses
Gastroenteritis caused by the nematode parasite Haemonchus contortus is a serious concern for small ruminants in the tropics and subtropics. Control is traditionally by anthelmintics and pasture management, however this specific nematode parasite has become resistant to many anthelmintics and research is now focused on novel control methods including biological control using the nematode-trapping fungus, Duddingtonia flagrans. The objective of this study was to investigate the effectiveness of feeding chlamydospores of the fungus at a dosage of 5 x 105 spores/kg of BW to ewe/lamb pairs (Trial 1) and weaned lambs (Trial 2) for a total of 17 and 8 …