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Articles 6481 - 6510 of 9759

Full-Text Articles in Veterinary Medicine

The Characterization Of The 18s Rrna Gene Using A Pcr-Rflp In Order To Develop A Differential Diagnostic Tool For Avian Eimeria Spp., Silamon Choosaksangthong, Woraporn Sukhumavas, Sudjit Chungpivat, Nareerat Viseshakul Mar 2005

The Characterization Of The 18s Rrna Gene Using A Pcr-Rflp In Order To Develop A Differential Diagnostic Tool For Avian Eimeria Spp., Silamon Choosaksangthong, Woraporn Sukhumavas, Sudjit Chungpivat, Nareerat Viseshakul

The Thai Journal of Veterinary Medicine

Avian coccidiosis is a protozoan disease which can be caused by at least 7 species of the genus Eimeria. Species of Eimeria in chicken are distinguished by their distinct morphology and where sites the parasotes are deposited in the small intestine of the infected birds. The criteria for Eimeria species differentiation when the disease occures is sometimes unreliable. Based on 422 base pairs derived from the 3 prime-region of the 18S rRNA gene, containing polymorphic DNA sequences of Eimeria, the technique of PCR-RFLP (Polymerase chain reaction and Restriction fragment length polymorphisms) has been developed to identify species-specific DNA profiles of …

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Hyaluronan In The Sow’S Oviduct: Its Effect On Boar Sperm Morphology And Function, Paisan Tienthai Mar 2005

Hyaluronan In The Sow’S Oviduct: Its Effect On Boar Sperm Morphology And Function, Paisan Tienthai

The Thai Journal of Veterinary Medicine

During sperm transport in the female pig, a proportion of the spermatozoa is arrested at the uterotubal junction and the isthmus, where an oviductal sperm reservoir is built up. The sperm reservoir maintains sperm viability and controls the release of fertilizing spermatozoa so that only a small subpopulation reaches the site of fertilization, thus diminishing the risk of polyspermy. In vitro research has focused on sperm binding as the main mechanism of sperm storage, sperm release and modulation of capacitation, but little attention has been paid to the sperm reservoir fluid, its composition and the control of capacitation in vivo. …

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The Effect Of Culture Media And Culture Time On The In Vitro Maturation Of Domestic Cat Oocytes, Ruttachuk Rungsiwiwut, Ampika Thongphagdee, Pranee Numchaisrika, Sudsan Sirivaidayapong, Mongkol Techakumphu Mar 2005

The Effect Of Culture Media And Culture Time On The In Vitro Maturation Of Domestic Cat Oocytes, Ruttachuk Rungsiwiwut, Ampika Thongphagdee, Pranee Numchaisrika, Sudsan Sirivaidayapong, Mongkol Techakumphu

The Thai Journal of Veterinary Medicine

Culture media and culture time play important roles in meiotic competence and in vitro development of domestic cats oocytes. This experiment was designed to investigate the effects of culture media (M199 versus DMEM) on the in vitro maturation of domestic cat oocytes, after culturing for 24, 36 and 48 h. Domestic cat ovaries were obtained from routine ovariohysterectomy at an animal hospital, cooled to 4oC and transferred immediately to the laboratory. The oocytes were collected by slicing ovaries in the collecting medium. Five to ten cumulus oocyte complexes (COCs) were cultured in small drops of 50 μl of M199 or …

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The Anatomy And Radiography Of The Lungs Of A Stillborn Asian Elephant (Elephas Maximus Indicus), Kriengyot Sajjarengpong, Adisorn Adirekthaworn, Pawana Uthaichotiwan Mar 2005

The Anatomy And Radiography Of The Lungs Of A Stillborn Asian Elephant (Elephas Maximus Indicus), Kriengyot Sajjarengpong, Adisorn Adirekthaworn, Pawana Uthaichotiwan

The Thai Journal of Veterinary Medicine

The lung of a stillborn female Asian elephant (Elephas maximus indicus) was disected for macroscopic anatomical study. It’s tracheobronchial ramifications were studied by a contrast radiographic technique using barium sulphate infusion. The lung was thick and triangular in shape. The right lung was divided into 4 lobes: cranial, middle, caudal and accessory, while the left lung had 3 lobes: cranial, middle and caudal. The lobulation was obvious, but the tracheal bronchus was not found. The cranial lobe of the left and right lungs was divided into cranial and caudal parts. The right, middle and left tracheobronchial lymph nodes were denominated …

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Ultrasound Diagnosis, Phiwipha Kamonrat Mar 2005

Ultrasound Diagnosis, Phiwipha Kamonrat

The Thai Journal of Veterinary Medicine

No abstract provided.

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What Is Your Diagnosis?, Pranee Tuntivanich, Suwicha Chuthateph Mar 2005

What Is Your Diagnosis?, Pranee Tuntivanich, Suwicha Chuthateph

The Thai Journal of Veterinary Medicine

No abstract provided.

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A Comparison Of The Immunogenicity Of 5 Newcastle Disease Vaccine Strains Used Against Newcastle Disease Virus In Chickens With No New Castle Disease Antibodies, Jiroj Sasipreeyajan Mar 2005

A Comparison Of The Immunogenicity Of 5 Newcastle Disease Vaccine Strains Used Against Newcastle Disease Virus In Chickens With No New Castle Disease Antibodies, Jiroj Sasipreeyajan

The Thai Journal of Veterinary Medicine

One hundred eighty, male layer-type chickens with no antibodies were divided into 6 groups, 30 birds in each. Each group was vaccinated with a different strain of ND vaccine, La Sota, B1, Ulster, VG/GA and 6/10 for groups 1, 2, 3, 4 and 5, respectively. All vaccinated birds received vaccine when 5-weeks-old, by intranasal inhalation. Birds in group 6 were non-vaccinated controls. All birds were weighed when 5-, 8- and 10-weeks-old. They were challenged when 8-weeks-old with local strain of ND virus. Clinical signs and mortality rates were observed for 3 weeks. Serological responses were determined when 5-, 7-, 8-, …

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The Influence Of An Improved Microclimate During Lactation On The Reproductive Performance In Sows In Thailand, Annop Suriyasomboon, Nils Lundeheim, Annop Kunavongkrit, Stig Einarsson Mar 2005

The Influence Of An Improved Microclimate During Lactation On The Reproductive Performance In Sows In Thailand, Annop Suriyasomboon, Nils Lundeheim, Annop Kunavongkrit, Stig Einarsson

The Thai Journal of Veterinary Medicine

The aim of this study was to investigate the reproductive performance of lactating sows in Thailand kept in farrowing housing using an evaporative cooling system (EVAP) in comparison with conventional farrowing system (CONV). The study was based on data from one commercial sow herd, with four farrowing houses (one EVAP and three CONV) with sows of different parities, randomly circulating between these farrowing systems. In the herd, continuous farrowing and cross-fostering was practiced, and the litters were weaned at 18.7 ± 1.3 days of age. The data from 11,000 farrowings (between May 1999 to April 2002) were statistically analysed (ANOVA), …

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Ecg Quiz, Chollada Buranakarl, Kris Angkanaporn Mar 2005

Ecg Quiz, Chollada Buranakarl, Kris Angkanaporn

The Thai Journal of Veterinary Medicine

No abstract provided.

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5-Ht1b Receptor-Mediated Presynaptic Inhibition Of Gaba Release In The Suprachiasmatic Nucleus, Jayne R. Bramley, Patricia J. Sollars, Gary E. Pickard, F. Edward Dudek Feb 2005

5-Ht1b Receptor-Mediated Presynaptic Inhibition Of Gaba Release In The Suprachiasmatic Nucleus, Jayne R. Bramley, Patricia J. Sollars, Gary E. Pickard, F. Edward Dudek

School of Veterinary and Biomedical Sciences: Faculty Publications

The suprachiasmatic nucleus (SCN) receives a dense serotonergic innervation that modulates photic input to the SCN via serotonin 1B (5-HT1B) presynaptic receptors on retinal glutamatergic terminals. However, the majority of 5-HT1B binding sites in the SCN are located on nonretinal terminals and most axonal terminals in the SCN are GABAergic. We therefore tested the hypothesis that 5-HT1B receptors might also be located on SCN GABAergic terminals by examining the effects of the highly selective 5-HT1B receptor agonist CP-93,129 on SCN miniature inhibitory postsynaptic currents (mIPSCs). Whole cell patch-clamp recordings of mIPSCs were obtained from rat …

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Chronic Wasting Disease (Cwd) Data Clearinghouse Jan 2005

Chronic Wasting Disease (Cwd) Data Clearinghouse

Zoonotics and Wildlife Disease: Publications

The National Biological Information Infrastructure (NBII) is an electronic information network that provides access to biological data and information on our nation’s plants, animals, and ecosystems. Information contributed by federal, state, and local government agencies; non-government organizations; and private-sector organizations is linked through the NBII gateway and made accessible to a variety of audiences, including researchers, natural resource managers, decision-makers, educators, students, and other members of the general public. Implementation of the NBII is being accomplished through the development of "nodes" that serve as entry points to the network. These nodes function as fully digital, distributed, and interactive systems that …

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Evaluation Of Western Blotting Methods Using Samples With Or Without Sodium Phosphotungstic Acid Precipitation For Diagnosis Of Scrapie And Chronic Wasting Disease, Hongsheng Huang, Jasmine Rendulich, Dan Stevenson, Katherine I. O'Rourke, Aru Balachandran Jan 2005

Evaluation Of Western Blotting Methods Using Samples With Or Without Sodium Phosphotungstic Acid Precipitation For Diagnosis Of Scrapie And Chronic Wasting Disease, Hongsheng Huang, Jasmine Rendulich, Dan Stevenson, Katherine I. O'Rourke, Aru Balachandran

Zoonotics and Wildlife Disease: Publications

The purpose of this study was to enhance the sensitivity of the Western blot (WB) test for use as an alternative and confirmatory method for the diagnosis of scrapie and chronic wasting disease (CWD) in Canada by comparing 2 sample preparation procedures: an abnormal prion protein (PrPSc) concentration procedure using sodium phosphotungstic acid (PTA) precipitation and a procedure using crude sample without precipitation. A total of 100 cerebrum samples (52 sheep and 48 elk), including 66 negative (31 sheep, 35 elk) and 34 positive (21 scrapie and 13 CWD positive) samples diagnosed by using immunohistochemistry (IHC) on retropharyngeal …

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The Incidence Of Genotypes At Codon 171 Of The Prion Protein Gene (Prnp) In Five Breeds Of Sheep And Production Traits Of Ewes Associated With Those Genotypes, B. M. Alexander, R. H. Stobart, W. C. Russell, Katherine I. O'Rourke, G. S. Lewis, J. R. Logan, J. V. Duncan, G. E. Moss Jan 2005

The Incidence Of Genotypes At Codon 171 Of The Prion Protein Gene (Prnp) In Five Breeds Of Sheep And Production Traits Of Ewes Associated With Those Genotypes, B. M. Alexander, R. H. Stobart, W. C. Russell, Katherine I. O'Rourke, G. S. Lewis, J. R. Logan, J. V. Duncan, G. E. Moss

Zoonotics and Wildlife Disease: Publications

Scrapie is one of several transmissible spongiform encephalopathies of livestock. Disease susceptibility is linked to polymorphisms in the normal prion protein gene that encodes the mammalian prion precursor. Codon 171 of this gene is a major determinant of scrapie susceptibility. Selection for arginine (R) at codon 171 is encouraged by the USDA to decrease the incidence of scrapie. Objectives of this study were to determine the frequency of R allele variants at codon 171 in a sample of sheep from five breeds (Columbia, Hampshire, Rambouillet, Suffolk, and Targhee) and western white-faced commercial ewes and to determine whether the R allele …

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Chronic Wasting Disease Of Elk: Transmissibility To Humans Examined By Transgenic Mouse Models, Qingzhong Kong, Shenghai Huang, Wenquan Zou, Difernando Vanegas, Meiling Wang, Di Wu, Jue Yuan, Mengjie Zheng, Hua Bai, Huayun Deng, Ken Chen, Allen L. Jenny, Katherine I. O'Rourke, Ermais D. Belay, Lawrence B. Schonberger, Robert B. Pertersen, Man-Sun Sy, Shu G. Chen, Pierluigi Gambetti Jan 2005

Chronic Wasting Disease Of Elk: Transmissibility To Humans Examined By Transgenic Mouse Models, Qingzhong Kong, Shenghai Huang, Wenquan Zou, Difernando Vanegas, Meiling Wang, Di Wu, Jue Yuan, Mengjie Zheng, Hua Bai, Huayun Deng, Ken Chen, Allen L. Jenny, Katherine I. O'Rourke, Ermais D. Belay, Lawrence B. Schonberger, Robert B. Pertersen, Man-Sun Sy, Shu G. Chen, Pierluigi Gambetti

Zoonotics and Wildlife Disease: Publications

Chronic wasting disease (CWD), a prion disease affecting free-ranging and captive cervids (deer and elk), is widespread in the United States and parts of Canada. The large cervid population, the popularity of venison consumption, and the apparent spread of the CWD epidemic are likely resulting in increased human exposure to CWD in the United States. Whether CWDis transmissible to humans, as has been shown for bovine spongiform encephalopathy (the prion disease of cattle), is unknown. We generated transgenic mice expressing the elk or human prion protein (PrP) in a PrP-null background. After intracerebral inoculation with elk CWD prion, two lines …

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Predictive Spatial Dynamics And Strategic Planning For Raccoon Rabies Emergence In Ohio, James E. Childs, David L. Smith, Colin A. Russell, Leslie A. Real Jan 2005

Predictive Spatial Dynamics And Strategic Planning For Raccoon Rabies Emergence In Ohio, James E. Childs, David L. Smith, Colin A. Russell, Leslie A. Real

Zoonotics and Wildlife Disease: Publications

Rabies is an important public health concern in North America because of recent epidemics of a rabies virus variant associated with raccoons. The costs associated with surveillance, diagnostic testing, and post-exposure treatment of humans exposed to rabies have fostered coordinated efforts to control rabies spread by distributing an oral rabies vaccine to wild raccoons. Authorities have tried to contain westward expansion of the epidemic front of raccoonassociated rabies via a vaccine corridor established in counties of eastern Ohio, western Pennsylvania, and West Virginia. Although sporadic cases of rabies have been identified in Ohio since oral rabies vaccine distribution in 1998, …

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Experimental Transmission Of Chronic Wasting Disease Agent From Mule Deer To Cattle By The Intracerebral Route, Amir N. Hamir, Robert A. Kunkle, Randall C. Cutlip, Janice M. Miller, Katherine I. O'Rourke, Elizabeth S. Williams, Michael W. Miller, Mick J. Stack, Melanie J. Chaplin, Jügen A. Richt Jan 2005

Experimental Transmission Of Chronic Wasting Disease Agent From Mule Deer To Cattle By The Intracerebral Route, Amir N. Hamir, Robert A. Kunkle, Randall C. Cutlip, Janice M. Miller, Katherine I. O'Rourke, Elizabeth S. Williams, Michael W. Miller, Mick J. Stack, Melanie J. Chaplin, Jügen A. Richt

Zoonotics and Wildlife Disease: Publications

This communication reports final observations on experimental transmission of chronic wasting disease (CWD) from mule deer to cattle by the intracerebral route. Thirteen calves were inoculated intracerebrally with brain suspension from mule deer naturally affected with CWD. Three other calves were kept as uninoculated controls. The experiment was terminated 6 years after inoculation. During that time, abnormal prion protein (PrPres) was demonstrated in the central nervous system (CNS) of 5 cattle by both immunohistochemistry and Western blot. However, microscopic lesions suggestive of spongiform encephalopathy (SE) in the brains of these PrPres-positive animals were subtle in 3 …

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Bovine Tuberculosis Eradication: Uniform Methods And Rules, Effective January 1, 2005 Jan 2005

Bovine Tuberculosis Eradication: Uniform Methods And Rules, Effective January 1, 2005

Michigan Bovine Tuberculosis Bibliography and Database

These Uniform Methods and Rules (UM&R) are the minimum standards adopted and approved by the Deputy Administrator, Veterinary Services (VS), Animal and Plant Health Inspection Service (APHIS), on January 20, 2005. They were established for the maintenance of tuberculosis-free accredited herds of cattle and bison and the maintenance of State or zone status in the U.S. Department of Agriculture’s (USDA) tuberculosis eradication program.

These minimum standards do not preclude the adoption of more stringent standards by any State or zone.

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Department Of Veterinary And Biomedical Sciences: 2005 Annual Report Jan 2005

Department Of Veterinary And Biomedical Sciences: 2005 Annual Report

School of Veterinary and Biomedical Sciences: Information and History

Veterinary and Biomedical Sciences Personnel
VBMS Teaching Program - Courses 2005
VBMS Grants and Contracts Program, 2005
Publications by VBMS Faculty in 2005
Selected Committees, Editorial and Other Appointments. 2005
Articles Regarding the Department in 2005
Departmental Budget Summaries, 2005
Nebraska Agricultural Statistics, 2004/2005.

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Spatial Management Of Wildlife Disease, Richard Horan, Christopher Wolf, Eli P. Fenichel, Kenneth H. Mathews, Jr. Jan 2005

Spatial Management Of Wildlife Disease, Richard Horan, Christopher Wolf, Eli P. Fenichel, Kenneth H. Mathews, Jr.

Michigan Bovine Tuberculosis Bibliography and Database

The spread of wildlife diseases is a major threat to livestock, human health, resource-based recreation, and biodiversity conservation (Cleaveland, Laurenson, and Taylor). The development of economically sound wildlife disease-management strategies requires an understanding of the links between ecological functions (e.g., disease transmission and wildlife dispersal) and economic choices, and the associated tradeoffs. Spatial linkages are particularly relevant. Yet while ecologists have long-argued that space is important (Hudson et al.), prior economic work has largely ignored spatial issues.

For instance, Horan and Wolf analyzed a case study of bovine tuberculosis (bTB) in Michigan deer, a problem where the disease appears to …

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Michigan Bovine Tuberculosis Eradication Project: 2005 Activities Report And Conference Proceedings Jan 2005

Michigan Bovine Tuberculosis Eradication Project: 2005 Activities Report And Conference Proceedings

Michigan Bovine Tuberculosis Bibliography and Database

On June 7 and 8, 2005, the State of Michigan and U.S. Department of Agriculture hosted the ninth annual bovine Tuberculosis (TB) meeting of scientists, with the intent to share research information and provide updates on policies, regulations and activities regarding bovine TB.

This document is a thank you to stakeholders and serves as an annual report offering insight into the finer points of this multi-agency project. The year 2005 has been one of milestones. The Upper Peninsula received TB-Free Status; only one TB positive farm was found during routine surveillance testing; and the disease prevalence rate in Deer Management …

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Voluntary Exercise In The C57b1/6j Mouse: Phenotypic Effects Of Varying Dietary Fat Levels And Hippocampal Gene Expression Differences Between High-Level And Low-Level Exercisers, Leslie Debardeleben Mclaughlin Jan 2005

Voluntary Exercise In The C57b1/6j Mouse: Phenotypic Effects Of Varying Dietary Fat Levels And Hippocampal Gene Expression Differences Between High-Level And Low-Level Exercisers, Leslie Debardeleben Mclaughlin

LSU Doctoral Dissertations

The drive to exercise voluntarily likely results from complex interactions between genes in many organ systems and various psychological parameters, such as motivation and the perception of fatigue. Reproducible variations in exercise intensity and duration are well established in laboratory rodents, but the genes responsible remain largely unknown. Also, to date, studies addressing the adaptive changes to exercise that might prevent dietary-induced obesity have focused primarily on energy intake and nutrient oxidation/partitioning, as opposed to genetics. We hypothesize that increased voluntary physical activity may be a normal mechanism in certain rodent strains to deter dietary-induced obesity and that in an …

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Molecular Characterization Of Mycobacterium Tuberculosis Complex Isolates From Wild Ungulates In South-Central Spain, Christian Gortazar, Joaquín Vicente, Sofia Samper, Joseba M. Garrido, Isabel Fernandez-De-Mera, Patricia Gavín, Ramón A. Juste, Carlos Martín, Pelayo Acevedo, Manuel De La Puentea, Ursula Höflea Jan 2005

Molecular Characterization Of Mycobacterium Tuberculosis Complex Isolates From Wild Ungulates In South-Central Spain, Christian Gortazar, Joaquín Vicente, Sofia Samper, Joseba M. Garrido, Isabel Fernandez-De-Mera, Patricia Gavín, Ramón A. Juste, Carlos Martín, Pelayo Acevedo, Manuel De La Puentea, Ursula Höflea

Michigan Bovine Tuberculosis Bibliography and Database

The role of European wild ungulates in the epidemiology of tuberculosis (TB) is still under discussion. This study describes the geographical distribution and molecular typing of 77 Mycobacterium tuberculosis complex isolates belonging either to M. bovis or to M. caprae, cultivated from hunter harvested red deer (Cervus elaphus) and European wild boar (Sus scrofa) in 24 Spanish localities, and compares them with spoligotypes detected previously in humans, livestock or wild animals, as described in the literature. The distribution of the molecular type patterns suggests that the population of M. tuberculosis complex strains isolated from Spanish …

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Use Of An Electronic Nose To Diagnose Mycobacterium Bovis Infection In Badgers And Cattle, R. Fend, R. Geddes, S. Lesellier, H.-M. Vordermeier, L. A. L. Corner, E. Gormley, E. Costello, R. G. Hewinson, D. J. Marlin, A. C. Woodman, M. A. Chambers Jan 2005

Use Of An Electronic Nose To Diagnose Mycobacterium Bovis Infection In Badgers And Cattle, R. Fend, R. Geddes, S. Lesellier, H.-M. Vordermeier, L. A. L. Corner, E. Gormley, E. Costello, R. G. Hewinson, D. J. Marlin, A. C. Woodman, M. A. Chambers

Michigan Bovine Tuberculosis Bibliography and Database

It is estimated that more than 50 million cattle are infected with Mycobacterium bovis worldwide, resulting in severe economic losses. Current diagnosis of tuberculosis (TB) in cattle relies on tuberculin skin testing, and when combined with the slaughter of test-positive animals, it has significantly reduced the incidence of bovine TB. The failure to eradicate bovine TB in Great Britain has been attributed in part to a reservoir of the infection in badgers (Meles meles). Accurate and reliable diagnosis of infection is the cornerstone of TB control. Bacteriological diagnosis has these characteristics, but only with samples collected postmortem. Unlike …

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Hidden Effects Of Chronic Tuberculosis In African Buffalo, Anna E. Jolles, David V. Cooper, Simon A. Levin Jan 2005

Hidden Effects Of Chronic Tuberculosis In African Buffalo, Anna E. Jolles, David V. Cooper, Simon A. Levin

Michigan Bovine Tuberculosis Bibliography and Database

Infectious diseases can bring about population declines and local host extinctions, contributing significantly to the global biodiversity crisis. Nonetheless, studies measuring population-level effects of pathogens in wild host populations are rare, and taxonomically biased toward avian hosts and macroparasitic infections. We investigated the effects of bovine tuberculosis (bTB), caused by the bacterial pathogen Mycobacterium bovis, on African buffalo (Syncerus caffer) at Hluhluwe-iMfolozi Park, South Africa. We tested 1180 buffalo for bTB infection between May 2000 and November 2001. Most infections were mild, confirming the chronic nature of the disease in buffalo. However, our data indicate that bTB …

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Wildlife-Cattle Interactions In Northern Michigan: Implications For The Transmission Of Bovine Tuberculosis, Jerry Alan Hill Jan 2005

Wildlife-Cattle Interactions In Northern Michigan: Implications For The Transmission Of Bovine Tuberculosis, Jerry Alan Hill

Michigan Bovine Tuberculosis Bibliography and Database

Bovine tuberculosis (Mycobacterium bovis) was discovered in northern Michigan white-tailed deer (Odocoileus virginianus) in 1994, and has been known to exist in Michigan cattle herds since 1998. Despite efforts to eradicate the disease in cattle, infection and re-infection of farms continues to occur, suggesting transmission among cattle, deer, or other wildlife reservoirs. The goals of this study were to document wildlife activity on farms and evaluate the possible role wildlife play in the ecology of bovine tuberculosis (TB) in Michigan. Visual observations were conducted on farms in a 5-county area of northern Michigan to document direct …

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Mycobacterium Avium Subsp. Paratuberculosis From Free-Ranging Deer And Rabbits Surrounding Minnesota Dairy Herds, Eran A. Raizman, Scott J. Wells, Peter A. Jordan, Glenn D. Delgiudice, Russell R. Bey Jan 2005

Mycobacterium Avium Subsp. Paratuberculosis From Free-Ranging Deer And Rabbits Surrounding Minnesota Dairy Herds, Eran A. Raizman, Scott J. Wells, Peter A. Jordan, Glenn D. Delgiudice, Russell R. Bey

Michigan Bovine Tuberculosis Bibliography and Database

The objectives of this study were to estimate the prevalence of Mycobacterium avium subsp. paratuberculosis (MAP) among deer and rabbits surrounding infected and noninfected Minnesota dairy farms using fecal culture, and to describe the frequency that farm management practices were used that could potentially lead to transmission of infection between these species. Fecal samples from cows and the cow environment were collected from 108 Minnesota dairy herds, and fecal pellets from free-ranging white-tailed deer and eastern cottontail rabbits were collected from locations surrounding 114 farms; all samples were tested using bacterial culture. In addition, a questionnaire was administered to 114 …

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Characterizing The Health Status Of The Louisiana Gopher Tortoise (Gopherus Polyphemus), Orlando Diaz-Figueroa Jan 2005

Characterizing The Health Status Of The Louisiana Gopher Tortoise (Gopherus Polyphemus), Orlando Diaz-Figueroa

LSU Master's Theses

Gopher tortoise (Gopherus polyphemus) populations have experienced precipitous declines from habitat loss, and human and disease related mortality. The goal of this study was to characterize the health status of free-ranging Louisiana gopher tortoises. Gopher tortoises were collected during two distinct trapping seasons: fall (August-October 2002) and spring (April-June 2003). Captured tortoises were given a physical exam and the carapace and plastron length and width, weight, and body temperature were recorded. Blood was collected from the subcarapacial vein and submitted for the following testing procedures: complete blood count, plasma chemistry, infectious disease serology (Mycoplasma), and toxicologic screen (copper, mercury, zinc, …

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Post-Breeding Endometritis After Low Dose Insemination In The Mare, Marí­A Soledad Ferrer Jan 2005

Post-Breeding Endometritis After Low Dose Insemination In The Mare, Marí­A Soledad Ferrer

LSU Master's Theses

Hysteroscopic insemination in mares with delayed uterine clearance (DUC mares) is controversial. While some authors proposed that insemination with a reduced volume and number of spermatozoa may reduce post-mating endometritis, others proposed that the hysteroscopic procedure is inflammatory and should not be used in DUC mares. The overall objectives of this study were to evaluate the incidence and severity of post-mating endometritis in reproductively normal and DUC mares after hysteroscopic insemination at the uterotubal junction, and to determine if hysteroscopic insemination could be used in DUC mares to reduce post-mating endometritis. The mares were classified as normal or DUC based …

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Matrix Metalloproteinase 3, Matrix Metalloproteinase 13, And Tissue Inhibitor Of Metalloproteinase 1 Concentrations In Normal And Naturally-Occurring Osteoarthritic Canine Stifles, Blaine Allen Burkert Jan 2005

Matrix Metalloproteinase 3, Matrix Metalloproteinase 13, And Tissue Inhibitor Of Metalloproteinase 1 Concentrations In Normal And Naturally-Occurring Osteoarthritic Canine Stifles, Blaine Allen Burkert

LSU Master's Theses

Osteoarthritis is arguably the most common ailment in both dogs and people in the developed World. Treatment for osteoarthritis is currently symptomatic. Development of therapies designed at stopping the progression of osteoarthritis, require a method of evaluating efficacy. Objective analysis by measuring joint metabolism via clinical trials of the cross-over design is currently not possible with the methods utilized. Extracellular matrix degradation is a hallmark of osteoarthritis. The matrix metalloproteinases are major degradative enzymes. There are currently no commercially available assays to measure canine matrix metalloproteinases. Human and canine matrix metalloproteinases are highly homologous. The use of antibodies and assays …

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Evaluation Of Helicobacter Hepaticus Bacterial Shedding In Fostered And Strategically Housed C57bl/6 Mice, J. Robin Crisler Roberts Jan 2005

Evaluation Of Helicobacter Hepaticus Bacterial Shedding In Fostered And Strategically Housed C57bl/6 Mice, J. Robin Crisler Roberts

LSU Master's Theses

The murine pathogen Helicobacter hepaticus has important confounding effects on research. Neonatal fostering has been studied in our laboratory for elimination of infection in mice. The purpose of our study was to examine fostering of pups from experimentally infected dams in male-absent parturition, and to determine the significance of gender and time on quantity of bacterial colonization in the cecum and feces of C57BL/6 mice. Approximately 20 C57BL/6 mice were fostered per day from one to four days of age. None of the C57BL/6 pups tested positive by PCR in fecal or cecal samples through four days of age. This …

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