Animal Sciences Commons^™

Occurrence Of The Invasion Associated Marker (Iam) In Campylobacter Jejuni Isolated From Cattle, Yasser M. Sanad, Issmat I. Kassem, Zhe Liu, Jun Lin, Jeffrey T. Lejeune, Gireesh Rajashekara

Animal Science Publications and Other Works

Background

The invasion associated marker (iam) has been detected in the majority of invasive Campylobacter jejuni retrieved from humans. Furthermore, the detection of iam in C. jejuni isolated from two important hosts, humans and chickens, suggested a role for this marker in C. jejuni's colonization of multiple hosts. However, no data exist regarding the occurrence of this marker in C. jejuni isolated from non-poultry food-animals such as cattle, an increasingly important source for human infections. Since little is known about the genetics associated with C. jejuni's capability for colonizing physiologically disparate hosts, we investigated the occurrence …

Capture-Recapture Of White-Tailed Deer Using Dna Sampling From Fecal Pellet-Groups, Matthew James Goode

Masters Theses

Reliable density estimates of game and keystone species such as white-tailed deer (Odocoileus virginianus) are desirable to set proper management strategies and for evaluating those strategies over time. However, traditional methods for estimating white-tailed deer density have been inhibited by behavior, densely forested areas that can hamper observation (detection), and invalid techniques of estimating effective trapping area. We wanted to evaluate a noninvasive method of mark-recapture estimation using DNA extracted from fecal pellets as the individual marker and for gender determination, coupled with a spatial detection function to estimate density (Spatially Explicit Capture-Recapture, SECR). We collected pellet groups …

Influence Of Timing Of Prescribed Burn On Native-Warm Season Grass Forage Quality In Tennessee, Amanda L. Mathenia

Masters Theses

Native warm-season grass stands have the prospective to provide nutritious summer forage in grazing systems. The study examined the influence of timing of prescribed burn on native warm-season grass stands in Tennessee. The purpose of the study was to determine the nutritional quality of forage as it relates to the timing of prescribed burns on native warm-season grass stands in Tennessee. The prescribed burns were conducted in March, April, May, and September. Forage samples were collected at Ames Plantation, West Tennessee Research and Education Center, Bridgestone/Firestone Wildlife Management Area, and Yuchi Wildlife Management Area. These samples were then analyzed for …

An Evaluation Of Population Estimators And Forage Availability And Nutritional Quality For White-Tailed Deer In Tennessee, Jared Tyler Beaver

Masters Theses

Given the white-tailed deer’s (Odocoileus virginianus; deer) popularity and potentially negative impact on forested systems; Arnold Air Force Base (AAFB) in Tullahoma, Tennessee, USA has made minimizing negative deer impacts on biodiversity a priority. To address these management issues, I initiated a study on AAFB to investigate deer survey techniques and the effects of deer density on forage availability across vegetative communities.

Current use of infrared-triggered cameras (camera) for estimating deer populations does not provide a measure of precision critical for density estimation. I conducted a camera survey for deer in Wildlife Management Area (WMA) Units 1 and …

Assessing Mitochondrial Activity In Embryos From Heat-Stressed Ova, Kimberly Ann Nagle

Masters Theses

Elevated ambient temperatures negatively impacts pregnancy rates in agriculturally important females. An oocyte undergoing meiotic maturation exposed to a physiologically-relevant heat stress results in alterations of developmentally important processes and reportedly decreases subsequent developmental potential after fertilization. To address problems of reduced competence after exposure to heat stress for the first 12 h of meiotic maturation (hIVM), Payton (2009) assessed the transcriptome profiles of oocytes and associated cumulus cells by microarray analysis and reported heat-induced perturbations at the molecular level in the oocyte. Specifically, 20 transcripts involved in mitochondrial function exhibited alterations in relative abundance of heat-stressed oocytes …

Heifer Estrous Cycle Stage Impacts Luteinizing And Growth Hormone Response To Kisspeptin, Brian K. Whitlock, Joseph A. Daniel, Robyn R. Wilborn, Barbara P. Steele, James L. Sartin

Animal Science Publications and Other Works

The reproductive neuropeptide, kisspeptin (KP), may have a role in regulation of growth hormone (GH) secretion. Expression of KP and its receptor (Kiss1r) are developmentally and hormonally regulated. This study was conducted to determine the effects of KP on plasma concentrations of luteinizing hormone (LH) and GH in pubertal heifers during different functional reproductive stages. Heifers received a single injection of KP (100 pmole / kg) or saline intravenously during proestrus, estrus, and diestrus, and serial blood samples were collected for 3 hours to determine the response of both LH and GH after treatment. Mean concentrations of LH were increased …

Discovery Fall 2011, Misty Bailey

Discovery Research Newsletter

Discovery is a quarterly research newsletter published by the College of Veterinary Medicine Office of Research and Graduate Studies. It is intended to highlight research and sponsored programs in the college and provide information about research opportunities.

W184 Quick Guide To Mastitis Culturing Programs, Kristy H. Campbell

Animals/Livestock

Tennessee Quality Milk Initiative

Version 1.0

W183 Using Dhi Reports To Troubleshoot Mastitis, Kristy H. Campbell

Animals/Livestock

Tennessee Quality Milk Initiative

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W185 Quick Guide To Troubleshooting Mastitis, Kristy H. Campbell

Animals/Livestock

No abstract provided.

W182 Troubleshooting Bacteria Counts, Kristy H. Campbell

Animals/Livestock

Tennessee Quality Milk Initiative

Version 1.0

W180 Steps To Troubleshooting Mastitis, Kristy H. Campbell

Animals/Livestock

Tennessee Quality Milk Initiative

Version 2.0

W181 Mastitis Culturing Programs, Kristy H. Campbell

Animals/Livestock

Tennessee Quality Milk Initiative

Version 1.0

W180 Steps To Troubleshooting Mastitis, Kristy H. Campbell

Animals/Livestock

Tennessee Quality Milk Initiative

Version 2.0

Effect Of Kisspeptin On Regulation Of Growth Hormone, Brian K. Whitlock, Joseph A. Daniel, Robyn R. Wilborn, Herris S. Maxwell, Barbara P. Steele, James L. Sartin

Animal Science Publications and Other Works

Kisspeptin ( KP ), a neuroendocrine regulator of reproduction, is hypothesized to be an integrator of metabolism and hormones critical to the regulation of reproduction. Lactation is associated with enhanced growth hormone (GH) responsiveness and reduced fertility. Our study was designed to determine the effects of lactation on KP-stimulated GH and luteinizing hormone (LH) secretion. Five non-lactating and five lactating dairy cows were used in the study. Experiments were conducted with lactating cows at weeks 1, 5 and 11 after parturition. The experimental treatments ( saline and KP [100 and 400 pmol / kg body weight]) were given intravenously and …

The Effect Of Kisspeptin Receptor Agonist (Ftm080) On Luteinizing Hormone In Sheep, Brian K. Whitlock, Joseph A. Daniel, Maria Hes, Barbara P. Steele, James L. Sartin, S. Oishi, N. Fujii

Animal Science Publications and Other Works

Kisspeptin receptor (Kiss1r) agonists with increased half-life and similar efficacy to kisspeptin (KP) in vitro potentially may provide beneficial applications in breeding management of many species. However, many of these agonists have not been tested in vivo. This study was designed to test the effect of a Kiss1r agonist (FTM080) on luteinizing hormone (LH) in vivo. Sheep were treated with FTM080 (500 pmol/kg BW) or sterile water in a 2-ml bolus via the jugular cannula. Serial blood samples were collected every 15-min before (1 hr) and after (1 hr) treatment. Intravenous (IV) injection of FTM080 increased (P < 0.05) LH plasma concentrations through the 45-min sample following treatment. Moreover, the area under the curve of LH in the period from 0 to 60-min following FTM080 treatment was also increased (P < 0.05). These data provide evidence to suggest that FTM080 stimulates the gonadotropic axis of ruminants in vivo.

Fertilization Characteristics Of Spermatozoa Collected From Bulls Grazing Tall Fescue Pastures, Jessica Pegan Harris

Masters Theses

Consumption of toxic endophyte-infected (E+) tall fescue pastures is known to have a negative impact on bull reproductive performance. Since decreased cleavage rates of embryos fertilized with spermatozoa from bulls grazing E+ tall fescue pastures have been observed in several studies using differing sets of bulls, technicians, pastures, and other methods of inducing tall fescue toxicosis (ergotamine tartrate), it is hypothesized that spermatozoa function from bulls grazing E+ is impaired in ways undetectable by gross semen examination.

During a three-month grazing study, 6 Angus bulls were utilized to determine the effects of grazing E+ tall fescue pastures on growth performance …

Volume 8, Number 1 (Spring/Summer 2011), Ut Institute Of Agriculture

Tennessee Land, Life and Science Magazine

Issue Highlights:

• Planting a Garden of Hope for Cancer Patients
• In Smith County, a Community Reinvents Itself
• Advancing Tennessee Through Strategic Extension

Volunteervet, Summer 2011, College Of Veterinary Medicine

VolunteerVet Newsletter

No abstract provided.

Discovery Summer 2011, Misty Bailey

Discovery Research Newsletter

Discovery is a quarterly research newsletter published by the College of Veterinary Medicine Office of Research and Graduate Studies. It is intended to highlight research and sponsored programs in the college and provide information about research opportunities.

Pb1752 Native Warm-Season Grasses: Identification, Establishment And Management For Wildlife And Forage Production In The Mid-South, Craig A. Harper, Gary E. Bates, Michael P. Hansbrough, Mark J. Gudlin, John P. Gruchy, Patrick D. Keyser

Wildlife and Fisheries

Please note: This file is 11 MB and 192 pages.

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Pb1793 Budget Considerations For Various Herd Sizes Of Goat Enterprises, John C. Campbell, An Peischel, Rob Holland

Animals/Livestock

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The Small Indian Mongoose (Herpestes Auropunctatus) On Adriatic Islands: Impact, Evolution, And Control, Arijana Barun

Doctoral Dissertations

ABSTRACT

One cause of declines and extinctions of island species is carnivore introduction. Four carnivores, including the small Indian mongoose (Herpestes auropunctatus), are on the IUCN’s list of 100 of the World's Worst Invasive Alien Species. My thesis summarizes global patterns of carnivore introductions and examines ecological, evolutionary, and management impacts of this mongoose. I study abundances of reptiles and amphibians on mongoose-infested and mongoose-free islands in the Adriatic Sea to determine if factors other than mongoose presence can account for abundance differences. For several reptiles and amphibians, the mongoose is implicated as causing differences. Additionally, I …

Pb378 Forage & Field Crop Seeding Guide For Tennessee, Gary Bates, Craig Harper, Fred Allen

Field & Commercial Crops

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Sp701-B Using Switchgrass For Forage, Gary Bates, Pat Keyser, Craig Harper, John Waller

Biofuels

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Sp701-B Using Switchgrass For Forage, Gary Bates, Pat Keyser, Craig Harper, John Waller

Forages

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W251 Composting Large Animal Mortalities In Tennessee, Shawn Haskins, Forbes Walker

Animals/Livestock

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W255 Disposing Of Large Animal Mortalities In Tennessee, Forbes Walker, Shawn Haskins

Animals/Livestock

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W252 Land-Filling Large Animal Mortalities In Tennessee, Shawn Haskins, Forbes Walker

Animals/Livestock

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W256 Composting Small Ruminants In Tennessee, Ricky Skillington

Animals/Livestock

Version 3.0