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Articles 1 - 30 of 64
Full-Text Articles in Life Sciences
Louisiana Agriculture Fall, 2011, Lsu Agcenter
Louisiana Agriculture Fall, 2011, Lsu Agcenter
Louisiana Agriculture
No abstract provided.
Louisiana Agriculture Summer, 2011
St. John’S Wort And Artemisia Extracts Modulate Adipocyte Development And Function, Zhaleh Amini
St. John’S Wort And Artemisia Extracts Modulate Adipocyte Development And Function, Zhaleh Amini
Honors Theses
No abstract provided.
Effect Of The Trna Gene Tv(Uac)D On The Transcriptional Regulation Of The Neighboring Cis1 Gene In Saccharomyces Cerevisiae, Jessica Rosselot
Effect Of The Trna Gene Tv(Uac)D On The Transcriptional Regulation Of The Neighboring Cis1 Gene In Saccharomyces Cerevisiae, Jessica Rosselot
Honors Theses
No abstract provided.
The Ability Of Households In Southeast Louisiana Eligible For The Supplemental Nutrition Assistance Program To Meet The Food Recommendations Of The 2010 Dietary Guidelines For Americans, Alicia Rodriguez
Honors Theses
No abstract provided.
P53-Independent Apoptosis And Autophagy As A Result Of Rnai Knockdown Of Nopp140 In Drosophila Melanogaster, Courtney Mumphrey
P53-Independent Apoptosis And Autophagy As A Result Of Rnai Knockdown Of Nopp140 In Drosophila Melanogaster, Courtney Mumphrey
Honors Theses
No abstract provided.
The Function And Mechanism Of Rrf-1 In Antiviral Rnai In C. Elegans, Amanda Lynn Callegan
The Function And Mechanism Of Rrf-1 In Antiviral Rnai In C. Elegans, Amanda Lynn Callegan
Honors Theses
No abstract provided.
A Tutorial Of Manual Segmentation Using The Visualization Program Avizo® As Illustrated By The Skeleton Of The Spiny Dogfish Shark, Squalus Acanthias, Mateusz A. Lapucha
A Tutorial Of Manual Segmentation Using The Visualization Program Avizo® As Illustrated By The Skeleton Of The Spiny Dogfish Shark, Squalus Acanthias, Mateusz A. Lapucha
Honors Theses
No abstract provided.
Modeling A Model Organism: The Lamprey, Petromyzon Marinus, Bradley M. Wood
Modeling A Model Organism: The Lamprey, Petromyzon Marinus, Bradley M. Wood
Honors Theses
No abstract provided.
The Immunophenotypic And Cytokine Characterization Of The Osteoarthritic Human Patellar Fat Pad: Comparison To Subcutaneous Adipose Tissue, Katie Marie Hamel
The Immunophenotypic And Cytokine Characterization Of The Osteoarthritic Human Patellar Fat Pad: Comparison To Subcutaneous Adipose Tissue, Katie Marie Hamel
Honors Theses
No abstract provided.
Louisiana Agriculture Spring, 2011, Lsu Agcenter
Louisiana Agriculture Spring, 2011, Lsu Agcenter
Louisiana Agriculture
No abstract provided.
On The Origin Of Stories: Evolution, Cognition, And Fiction, Hope Hollocher, Agustín Fuentes, Charles H. Pence, Grant Ramsey, Daniel John Sportiello, Michelle M. Wirth
On The Origin Of Stories: Evolution, Cognition, And Fiction, Hope Hollocher, Agustín Fuentes, Charles H. Pence, Grant Ramsey, Daniel John Sportiello, Michelle M. Wirth
Faculty Publications
No abstract provided.
Louisiana Agriculture Winter, 2011, Lsu Agcenter
Louisiana Agriculture Winter, 2011, Lsu Agcenter
Louisiana Agriculture
No abstract provided.
Use Of Condensed Tannins Supplementation And Inorganic Copper As Deworming Agents In Naturally Infected Ewes And Lambs, Moara De Santana Martins
Use Of Condensed Tannins Supplementation And Inorganic Copper As Deworming Agents In Naturally Infected Ewes And Lambs, Moara De Santana Martins
LSU Master's Theses
Sheep production is an important socioeconomic activity for the small producers and it can represent their primary income source. Gastrointestinal parasites have become the principal limiting factor for this industry around the world, especially because of the anthelmintic resistance phenomenon that has been increasing worldwide. The negligent use of anthelmintics has been reported as the main factor in the development of resistance. Among the parasites that infect sheep, H. contortus is considered the most harmful and also the parasite responsible for the fastest development of nematode resistance in small ruminants. Due to the economic impact this parasite may bring upon …
Purification Of Fish Oils And Production Of Protein Powders With Epa And Dha Enriched Fish Oils, Huaixia Yin
Purification Of Fish Oils And Production Of Protein Powders With Epa And Dha Enriched Fish Oils, Huaixia Yin
LSU Doctoral Dissertations
Eicosapentaenoic (EPA) and docosahexaenoic (DHA) in marine oils are known to provide health benefits. However, marine oils are accompanied by saturated fatty acids. By enriching fish oils with EPA and DHA the beneficial effect of fish oils can be increased while limiting the detrimental effect of the saturated fatty acids. Fish oils need to be purified before consumption. A number of methods have been used for extracting and purifying EPA and DHA enriched fish oils; however, thermal degradation and oxidation of polyunsaturated fatty acids (PUFAs) often occurs as a result of exposure to high temperatures, solvents and adverse conditions during …
Comparison Of Disk Diffusion, Agar Dilution, And Broth Microdiultion For Antimicrobial Susceptibility Testing Of Five Chitosans, Lin Jiang
LSU Master's Theses
Chitosan is a polysaccharide biopolymer with excellent biocompatibility, biodegradability, and low toxicity, which allows for potential wide applications. Recently, antimicrobial activities of chitosan against foodborne pathogens have been studied; many used disk diffusion to determine the activity. However, this method is unable to obtain minimal inhibitory concentrations (MICs), i.e., not quantitative. The objective of this study was to compare disk diffusion with agar dilution and broth microdilution, two quantitative methods used routinely in clinical laboratories, to determine MICs of chitosan against foodborne pathogens. Five chitosan compounds with molecular weights ranging between 43 and 1,100 kDa were tested against 36 representative …
Physical Activity And Health-Related Quality Of Life Among Elementary Students: An Integrated Perspective, Xiangli Gu
Physical Activity And Health-Related Quality Of Life Among Elementary Students: An Integrated Perspective, Xiangli Gu
LSU Doctoral Dissertations
School physical education (PE) not only offers and promotes health-related physical activity, but also encompasses the promotion and development of perceptions of mental health (USDHHS, 2010). It has been suggested that health-related quality of life (HRQOL) can predict future health, monitor children’s psychosocial health, and identify those most at risk or in need of support at an early stage. Assessing physical activity (PA) and health-related quality of life have become major issues in pediatric public health and also serve as a major goal of Health people 2020 (USDHHS, 2010). Research including assessment of theory-based mediators of health-related outcomes is needed …
Introduction And Establishment Of Cyrtobagous Salviniae Calder And Sands (Coleoptera: Curculionidae) For The Control Of Salvinia Minima Baker (Salviniaceae), And Interspecies Interactions Possibly Limiting Successful Control In Louisiana, Katherine A. Parys
LSU Doctoral Dissertations
Common salvinia, Salvinia minima Baker, is a floating aquatic invasive macrophyte that obstructs waterways and causes problems in wetlands across Louisiana and Texas. The salvinia weevil, Cyrtobagous salviniae Calder and Sands, has been released in over 14 countries around the world for the biological control of Salvinia spp. We successfully monitored the introduction and establishment of C. salviniae on S. minima in southern Louisiana between 2006 and 2010. Cyrtobagous salviniae significantly lowered the biomass of S. minima and increased the number of terminal buds damaged but had no significant impact on pH, dissolved oxygen, conductivity, surface temperature, percent of surface …
Redbanded Stink Bug, Piezodorus Guildinii (Westwood): Pest Status, Control Strategies, And Management In Louisiana Soybean, Joshua H. Temple
Redbanded Stink Bug, Piezodorus Guildinii (Westwood): Pest Status, Control Strategies, And Management In Louisiana Soybean, Joshua H. Temple
LSU Doctoral Dissertations
The redbanded stink bug, Piezodorus guildinii (Westwood), was identified as a pest of Louisiana soybean during 2000. Currently, this species has become established throughout Louisiana and into the soybean production regions of bordering states. Seasonal abundance, patterns of oviposition, and population dynamics of this species were surveyed in soybean during 2008-10. The redbanded stink bug comprised the largest percentage (54%) of the total stink bug complex collected at five survey sites followed by the southern green (27%), Nezara viridula L. and brown (7%) stink bugs, Euschistus servus L. Peak oviposition occurred during the (R5) soybean growth stage. Most (80%) egg …
Comparative Proteome And Qpcr Analysis Of The Sugarcane Reaction To Leaf Scald Caused By Xanthomonas Albilineans, Freddy Fernando Garces-Obando
Comparative Proteome And Qpcr Analysis Of The Sugarcane Reaction To Leaf Scald Caused By Xanthomonas Albilineans, Freddy Fernando Garces-Obando
LSU Doctoral Dissertations
Leaf scald is an important disease of sugarcane caused by Xanthomonas albilineans (Xa). Leaf scald is controlled by the development and planting of resistant cultivars. However, erratic symptom expression makes conventional screening for resistance difficult. In addition, the mechanisms of resistance to leaf scald are not completely understood. Real-time, quantitative polymerase-chain-reaction (qPCR) assays were developed utilizing SYBR Green for a highly sensitive detection method or a TaqMan probe to quantify Xa populations in infected plants. Xa populations detected by qPCR followed similar trends to disease severity ratings and vascular infection results for two resistant and two susceptible cultivars under greenhouse …
Three Essays On The Labor Allocation Decisions Of The Modern Farm Family, Jeremy Michael D'Antoni
Three Essays On The Labor Allocation Decisions Of The Modern Farm Family, Jeremy Michael D'Antoni
LSU Doctoral Dissertations
The goal of this dissertation is to address the role of government payments in the allocation of off-farm labor through three essays. Government payments have been a part of agriculture since 1933 and at no time has the government stated a policy objective of decreasing the agricultural labor force. Using time series data and new econometric techniques, the first essay finds agricultural policy may have an unintended impact on labor migration. Specifically, we find that government payments increased labor migration from the farm. From 1939 to 2007, increased direct government payments resulted in greater migration of labor from agriculture. The …
Effects Of Resistant Starch In Milk Replacer On Health And Performance In Neonatal Holstein Heifer Calves, Bethany Leann Fisher
Effects Of Resistant Starch In Milk Replacer On Health And Performance In Neonatal Holstein Heifer Calves, Bethany Leann Fisher
LSU Master's Theses
Forty-two female Holstein calves were assigned to one of three treatments at d 2 of age to study the effects of adding resistant starch (RS) to the milk replacer on health and performance. Treatments were control (0g RS), 4g RS, or 8g RS mixed into the reconstituted milk replacer. Calves were housed in individual calf hutches and fed milk replacer once daily until d 42 of age. Water and an 18% crude protein calf starter were offered ad libitum beginning d 3 throughout the duration of the 56 d trial. Calves remained in their hutches until d 56 of age …
Intravenous Injection Of Insulin For Measuring Insulin Sensitivity In Horses: Effects Of Epinephrine, Feeding Regimen, And Supplementation With Cinnamon For Fish Oil, Lisa Rosalee Earl
Intravenous Injection Of Insulin For Measuring Insulin Sensitivity In Horses: Effects Of Epinephrine, Feeding Regimen, And Supplementation With Cinnamon For Fish Oil, Lisa Rosalee Earl
LSU Master's Theses
Seven experiments were performed to assess the use of glucose responses to insulin injections as a means of estimating insulin sensitivity in horses; to compare the insulin sensitivities of normal horses vs. those displaying hyperleptinemia; and to put this method into practical application. Experiment 3.1 examined dose-responses in mares of potentially different insulin sensitivities. Recombinant human insulin was injected at doses of 8, 20, 50, and 125 mU/kg BW, as needed, to estimate the dose of insulin causing a 50% decrease in glucose concentrations (ED50). Five mares each of low leptin concentrations (LL) and low BCS, LL and high BCS, …
Production And Processing Of A Functional Yogurt Fortified With Microencapsulated Omega-3 And Vitamin E, Jose Daniel Estrada Andino
Production And Processing Of A Functional Yogurt Fortified With Microencapsulated Omega-3 And Vitamin E, Jose Daniel Estrada Andino
LSU Master's Theses
Market and nutritional values of fermented milks can be enhanced by adding microencapsulated polyunsaturated fish oil and vitamin E. Polyunsaturated fatty acids (PUFAs) lower the risk of heart disease and vitamin E is an important lipophilic antioxidant that protects cell membranes from oxidation. This study aimed to develop functional yogurts YMSO and YMMO fortified with á-tocopherol and microencapsulated salmon oil (MSO) or microencapsulated menhaden oil (MMO), respectively and to evaluate their physicochemical properties during 1-mo of storage. Stable emulsions were prepared with 7% red salmon oil (SO) or menhaden oil (MO), 22% arabic gum, 11% maltodextrin, 0.83% á-tocopherol and 59.17% …
Advanced Management Of The Mexican Rice Borer (Eoreuma Loftini) In Sugarcane, Blake Emerson Wilson
Advanced Management Of The Mexican Rice Borer (Eoreuma Loftini) In Sugarcane, Blake Emerson Wilson
LSU Master's Theses
Insecticide, greenhouse and varietal resistance experiments were conducted in Texas to develop management tactics for the Mexican rice borer, Eoreuma loftini (Dyar), sugarcane. A 3-treatment, large plot aerial application study was set up in 5 commercial sugarcane fields (35-84 acres) to evaluate the utilization of pheromone traps to improve chemical control strategies for E. loftini during 2009 and 2010 growing seasons. A threshold of 20-25 moths/trap/wk was used as an indicator to initiate monitoring for E. loftini larval infestations. Larval infestations were directly related to the no. of moths/trap/wk (R2=0.71). Reductions in borer injury and adult emergence (60% and 40% …
Development And Permeability Of Equine Blastocysts, Brittany Reshel Scott
Development And Permeability Of Equine Blastocysts, Brittany Reshel Scott
LSU Master's Theses
Equine embryo cryopreservation is unsuccessful in larger, more easily collected, day-7 embryos. It is imperative that methods to successfully cryopreserve large equine embryos or develop reliable methods to determine embryo size before collection. Therefore the objectives for this study were to quantify the amount of tritiated glycerol that would permeate various sizes of equine embryos and to determine if circulating progesterone concentration was correlated with in utero embryo size. Mean embryo diameter (± SEM) across treatments (1.4M and 3.4M tritiated glycerol) was 696.5µm ± 108.6µm and 925.9 µm ± 214.1µm, respectively and were not different (P=0.44). The percent permeation for …
Amino Acid-Supplemented Diets And Amino Acid Requirements In Corn And Soybean Meal Diets For Broilers And Pigs, April Marie Waguespack
Amino Acid-Supplemented Diets And Amino Acid Requirements In Corn And Soybean Meal Diets For Broilers And Pigs, April Marie Waguespack
LSU Doctoral Dissertations
The objectives of this research were to: 1) evaluate the role of Gly in low CP, AA supplemented diets for broilers, 2) determine subsequent effects of supplementing Gly in broiler diets, and 3) determine the Val and Ile requirement in an AA supplemented, C-SBM diet for 20- to 45-kg pigs. Three experiments were conducted to evaluate supplementation of Gly, creatine, GAA, and fishmeal in C-SBM diets on growth performance of broiler chicks and to determine if Gly, creatine, or GAA could be added to a C-SBM diet in place of fishmeal to produce similar growth performance. The results from these …
Characterization And Utilization Of Rice Defense Associated With Partial Resistance To Bacterial Panicle Blight: An Emerging Rice Disease Problem In The Southeastern United States, Bishnu Kumar Shrestha
Characterization And Utilization Of Rice Defense Associated With Partial Resistance To Bacterial Panicle Blight: An Emerging Rice Disease Problem In The Southeastern United States, Bishnu Kumar Shrestha
LSU Master's Theses
Rice is a staple food for much of the world’s growing population. Rice production is limited by a number of abiotic and biotic factors. These factors have direct effects on food security because less food is available to growing population. Bacterial panicle blight (BPB), caused by the bacterium Burkholderia glumae, is an emerging disease that causes grain rot, panicle discoloration, and unfilled grains in rice. Up to 70% of yield reduction has been reported in severely infected rice fields. No completely resistant rice cultivars have been identified, however, a medium-grain cultivar, Jupiter, showed a high level of partial resistance …
Characterization Of The Subcortical Interactions Between Larvae Of The Southern Pine Sawyer Monochamus Titillator (F.) And The Larvae Of The Southern Pine Beetle Guild Using Molecular Gut Analyses, Erich N. Schoeller
LSU Master's Theses
The southern pine beetle guild (Coleoptera: Curculionidae: Scolytinae) is arguably the most destructive group of forest pests in the Southeastern United States. Laboratory assays suggest that larvae of wood borer associates from the genus Monochamus (Coleoptera: Cerambycidae) may be facultative intraguild predators of southern pine beetle guild. In this study the dynamics of the subcortical interactions between M. titillator (F.) and members of the southern pine beetle guild were examined using PCR-based molecular gut content analyses. Species-specific PCR primer sets were developed to work under multiplex PCR conditions to detect DNA of members of southern pine beetle guild in the …
Ecology And Chemical Ecology Of Plant-Insect Interactions In Rice: Implications For Pest Management, Jason Charles Hamm
Ecology And Chemical Ecology Of Plant-Insect Interactions In Rice: Implications For Pest Management, Jason Charles Hamm
LSU Doctoral Dissertations
Induced resistance to the rice water weevil, Lissorhoptrus oryzophilus, was assessed in greenhouse and field experiments. The fall armyworm,Spodoptera frugiperda, and an elicitor, jasmonic acid, were used to induce resistance. The effect of these treatments on rice resistance to oviposition varied between cultivar used, but significantly fewer larvae were found on plants exposed to S. frugiperda and jasmonic acid on both cultivars tested. Application of jasmonic acid significantly reduced the number of L. oryzophilus larvae per plant, and represents the first example of elicitor-induced resistance in rice in field experiments. Oviposition by the sugarcane borer, Diatraea saccharalis, induced resistance to …