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Articles 4561 - 4590 of 10913
Full-Text Articles in Entire DC Network
Ariation In Tannin Content And Morphological Traits In Lotus Corniculatus L. (Bird’S-Foot Trefoil), A. H. Marshall, F. Ribaimont, R. P. Collins, D. Bryant, M. T. Abberton
Ariation In Tannin Content And Morphological Traits In Lotus Corniculatus L. (Bird’S-Foot Trefoil), A. H. Marshall, F. Ribaimont, R. P. Collins, D. Bryant, M. T. Abberton
IGC Proceedings (1977-2023)
Lotus corniculatus L. (bird's-foot trefoil) is a potentially valuable species for UK grassland agriculture. The herbage contains proanthocyanidins, or condensed tannins (CT's), which help to reduce bloat, have anthelmintic properties, can protect protein in the rumen, and thus potentially reduce N losses to the environment. It is currently a relatively minor species within UK grassland, as available varieties lack persistence in mixed swards (Hopkins et al., 1996). The seed used is of foreign bred varieties with no varieties bred specifically for the UK environment. To explore the feasibility of breeding L. corniculatus for the UK, variation in morphological traits, …
Effects Of Simulated High-Sugar Forages On Grazing Behaviour Of Sheep, Gerald P. Cosgrove, A. J. Parsons
Effects Of Simulated High-Sugar Forages On Grazing Behaviour Of Sheep, Gerald P. Cosgrove, A. J. Parsons
IGC Proceedings (1977-2023)
Sustaining an optimum composition in mixed-species pasture and in the diet of grazing animals is constrained by many factors. Altering the concentration of water soluble carbohydrate (WSC) of one species to improve its nutritional value for animals may not deliver the benefits in the assumed manner if it also affects preference and the balance of species in the pasture. Furthermore, associated changes in other constituents (e.g. fibre, protein) make it difficult to attribute animal responses solely to the manipulated trait (e.g. Lee et al. 2000). The objective of this study was to simulate changes in the concentration of water soluble …
High Floral Tannin White Clover Reduces Rumen Ammonia Concentrations In Dairy Cows, V. T. Burggraaf, G. C. Waghorn, S. L. Woodward, D. R. Woodfield, E. R. Thom, P. D. Kemp
High Floral Tannin White Clover Reduces Rumen Ammonia Concentrations In Dairy Cows, V. T. Burggraaf, G. C. Waghorn, S. L. Woodward, D. R. Woodfield, E. R. Thom, P. D. Kemp
IGC Proceedings (1977-2023)
White clover produces high quality forage for ruminant production, but it results in high rumen ammonia concentrations, indicating extensive protein degradation. The excess ammonia is absorbed through the rumen and excreted as urea in urine, at a cost to the animal and the environment. Condensed tannins (CT) contained in some forages reduce proteolysis in the rumen, which can lead to increased amino acid absorption and therefore improved animal performance. White clover produces CT in its flower heads, but concentrations are normally too low to benefit animals. This paper reports on comparisons of rumen ammonia concentrations in dairy cows grazing HT …
Effects Of Particle Size In Forage Samples For Protein Breakdown Studies, G. Pichard, C. Tapia
Effects Of Particle Size In Forage Samples For Protein Breakdown Studies, G. Pichard, C. Tapia
IGC Proceedings (1977-2023)
Coupling ruminal processes of hydrolysis and synthesis continues to be a research issue where more progress is needed. This requires the development of good protein assessment methods, particularly when representing the breakdown processes that occur in fresh pastures eaten by herbivores. Laboratory analyses need to deal with small and homogeneous samples, but the mechanical reduction of particle size may not reflect the actual digestion kinetics occurring when the original fresh forage is consumed. Such physical traits may alter the release of non-structural compounds and the penetration of microbial enzymes (Boudon et al., 2002). The objective of this work was …
Ruminal Disappearance And Passage Rates In Fresh Nezasa Dwarf Bamboo Growing In Japanese Native Pasture, Masato Yayota, J. Karashima, T. Kokestu, M. Nakano, Shigeru Ohtani
Ruminal Disappearance And Passage Rates In Fresh Nezasa Dwarf Bamboo Growing In Japanese Native Pasture, Masato Yayota, J. Karashima, T. Kokestu, M. Nakano, Shigeru Ohtani
IGC Proceedings (1977-2023)
Nezasa dwarf bamboo (Pleioblastus chino makino) is one of major native forages for grazing in Japan. However its nutritional utilisation in the rumen has been little studied. The object of this research was to measure ruminal disappearance and passage rates in fresh Nezasa dwarf bamboo compared with improved grass.
Ruminal Dry Matter, Neutral Detergent Fibre And Acid Detergent Fiber Degradation Kinetics Of Dominant Pasture Forages In Kurdestan Province Of Iran, A. A. Sadeghi, P. Shawrang, A. Nikkhah
Ruminal Dry Matter, Neutral Detergent Fibre And Acid Detergent Fiber Degradation Kinetics Of Dominant Pasture Forages In Kurdestan Province Of Iran, A. A. Sadeghi, P. Shawrang, A. Nikkhah
IGC Proceedings (1977-2023)
Neutral detergent fiber (NDF) is a major chemical component of forages and its degradability (dNDF) is an essential parameter in predicting their energetic value. Moreover, dNDF has been used in models to estimate the physical fill of fibrous feeds in the rumen and, therefore, the intake capacity of animals. As the available information on the nutritive value of pastoral forages is limited a study was undertaken to measure chemical composition and cell wall degradation kinetics of eight pasture forages in the rumen.
The Effects Of Urease Source And Moisture Content On The Nutritive Value Of Brachiaria BrizantHa Hay Treated With Urea, Ricardo A. Reis, L. M. A. Bertipaglia, G. M. P. Melo, A. P. Oliveira, S. Luca
The Effects Of Urease Source And Moisture Content On The Nutritive Value Of Brachiaria BrizantHa Hay Treated With Urea, Ricardo A. Reis, L. M. A. Bertipaglia, G. M. P. Melo, A. P. Oliveira, S. Luca
IGC Proceedings (1977-2023)
Ammoniation has a high potential to increase the nutritive value (NV) of mature tropical grasses hays. Urea utilisation, like ammonia, seems to be a promising alternative for on-farm treatment of low quality forage in Brazil. Urea has the advantages over anhydrous ammonia of being widely available, easier to handle and, in some countries, less expensive. The aim of this work was to study the effects on the efficiency of urea treatment of palisade grass (Brachiaria brizantha cv. Marandu) hay of the moisture level, and the urease source.
Herbage Mass And In Situ Dry Matter Ruminal Degradation Kinetics Of Brachiaria Spp, E. Valencia-Chin, A. A. Rodríguez-Carías, R. Ramos-Santana, S. Pagán-Riestra
Herbage Mass And In Situ Dry Matter Ruminal Degradation Kinetics Of Brachiaria Spp, E. Valencia-Chin, A. A. Rodríguez-Carías, R. Ramos-Santana, S. Pagán-Riestra
IGC Proceedings (1977-2023)
In Puerto Rico, Brachiaria decumbens cv. Basilisk has been promoted as a potential forage for acid soils and humid areas, but with limited success. Recently, B. brizantha cv. Marandú and a hybrid (B. brizantha x B. Ruziziensis) cv. Mulato were introduced for evaluation on acid soils and as a potential replacement for cv. Basilisk, but little information is available on yield performance under grazing or nutritive value. The objective of this study was to assess herbage mass and nutritive value of grazed pastures consisting of Basilisk, Marandú, and Mulato and determine the rate of in situ dry matter …
Effects Of Forage Species And Stage Of Maturity On In Situ Disappearance Of Organic Matter And Fibre Fractions, H. S. Hussein
Effects Of Forage Species And Stage Of Maturity On In Situ Disappearance Of Organic Matter And Fibre Fractions, H. S. Hussein
IGC Proceedings (1977-2023)
Nutrient utilisation by ruminants is altered by the forage species and its maturity. Maturity is the major factor affecting forage morphology and quality. Forage quality is reduced with maturity due to a decrease in the leaf:stem ratio and an increase in fibre components (Ugherughe, 1986). Improving forage utilisation by ruminants depends on accurate measurements of their nutritive value by using in vitro and in situ methods. The objective of this study was to assess the nutritive value (i.e., extent of in situ disappearance of organic matter [OM], neutral detergent fibre [NDF], and acid detergent fibre [ADF]) of four grass species …
The Effect Of Cow-Diet On The Fermentation Of Forages, J. L. Burke, G. C. Waghorn, S. L. Woodward, I. M. Brookes
The Effect Of Cow-Diet On The Fermentation Of Forages, J. L. Burke, G. C. Waghorn, S. L. Woodward, I. M. Brookes
IGC Proceedings (1977-2023)
In vitro fermentation of fresh forages minced to resemble chewed material have enabled net proteolysis and volatile fatty acid (VFA) production to be measured using rumen inocula from a cow fed lucerne hay (Burke et al., 2000). However both cow and diet affect the rumen cellulolytic bacterial populations (Weimer et al., 1999) and are able to influence in vitro digestion kinetics (Mertens et al., 1998). The objective of this study was to measure cow-diet effects on in vitro digestion and fermentation of perennial ryegrass (P; Lolium perenne), sulla (S; Hedysarum coronarium), maize (M; Zea maize …
Fibre Degradation Rate Of Perennial Ryegrass Varieties Measured Using Three Techniques: In Situ Nylon Bag, In Vivo Rumen Evacuation And In Vitro Gas Production, H. Z. Taweel, B. M. Tas, B. A. Williams, A. Elgersma, J. Dijkstra, S. Tamminga
Fibre Degradation Rate Of Perennial Ryegrass Varieties Measured Using Three Techniques: In Situ Nylon Bag, In Vivo Rumen Evacuation And In Vitro Gas Production, H. Z. Taweel, B. M. Tas, B. A. Williams, A. Elgersma, J. Dijkstra, S. Tamminga
IGC Proceedings (1977-2023)
In Western Europe, perennial ryegrass is the most widely used grass species for grazing cattle, because of its high productivity, palatability and nutritive value. However, the low dry matter intake (DMI) of perennial ryegrass pasture has been identified as a major factor limiting milk production of high producing dairy cows. Altering the chemical, physical and mechanical characteristics that contribute to its low DMI through grass breeding and the choice of variety may be a way forward in trying to maximise its DMI. This study aimed to examine whether perennial ryegrass varieties differ in their NDF degradation rates (kdNDF).
Perennial Ryegrass Variety Differences In Nutritive Value Characteristics, T. J. Gilliland, R. E. Agnew, A. M. Fearon, F. E. A. Wilson
Perennial Ryegrass Variety Differences In Nutritive Value Characteristics, T. J. Gilliland, R. E. Agnew, A. M. Fearon, F. E. A. Wilson
IGC Proceedings (1977-2023)
Animal grazing performance at grass is predominately determined by herbage intake rates, with high yielding dairy cows requiring up to 20 kg/d DM within a limited grazing time (Gibb, 1998). Grass nutritional factors such as seasonal patterns in digestibility and water-soluble carbohydrate levels have been linked to animal productivity (Davies et al., 1991), while sward surface height, herbage mass, bulk density and green leaf mass have been shown to promote high grazing intake (Barrett et al., 2001). Furthermore, fatty acid profiles have been shown to improve the unsaturated fatty acid composition of milk, with potential human health benefits …
The Nutritional Value Of Cocksfoot (Dactylis Glomerata L.) And Perennial Ryegrass (Lolium Perenne L.) Under Leaf-Stage Based Defoliation Management, L. R. Turner, D. J. Donaghy, P. A. Lane
The Nutritional Value Of Cocksfoot (Dactylis Glomerata L.) And Perennial Ryegrass (Lolium Perenne L.) Under Leaf-Stage Based Defoliation Management, L. R. Turner, D. J. Donaghy, P. A. Lane
IGC Proceedings (1977-2023)
The perception that cocksfoot is of lower nutritional value and less productive than perennial ryegrass is largely the result of studies in which management was based on perennial ryegrass (to the detriment of cocksfoot) or involved defoliation of both species at the same time (Greenhalgh & Reid, 1969; Johnson & Thomson, 1996). Maintaining plants in a vegetative state through species-specific management is essential to retain the high quality and productivity of cocksfoot. Defoliation at or before 4-5 fully expanded live leaves per tiller is recommended as the ideal physiological regrowth stage for defoliation of cocksfoot, resulting in metabolisable energy (ME) …
Mating Ewes On Condensed Tannin-Containing Forages Increases Ewe Reproductive Rate And Reduces Lamb Mortality, T. N. Barry, C. A. Ramirez-Restrepo, E. L. Mcwilliam, N. Lopez-Villalobos, P. D. Kemp
Mating Ewes On Condensed Tannin-Containing Forages Increases Ewe Reproductive Rate And Reduces Lamb Mortality, T. N. Barry, C. A. Ramirez-Restrepo, E. L. Mcwilliam, N. Lopez-Villalobos, P. D. Kemp
IGC Proceedings (1977-2023)
Action of condensed tannin (CT) reduces forage protein degradation in the rumen and increases the absorption of amino acids from the small intestine (Barry & McNabb 1999). This paper reports the effects of grazing ewes on two CT-containing forages during mating upon ewe reproductive rate and lamb mortality.
Ruminal Proteolysis In Forages With Distinct Endopeptidases Activities, G. Pichard, C. Tapia, R. Larraín
Ruminal Proteolysis In Forages With Distinct Endopeptidases Activities, G. Pichard, C. Tapia, R. Larraín
IGC Proceedings (1977-2023)
Improving livestock efficiency in utilization of nitrogen resources continues to be a major environmental and economic objective. Zhu et al. (1999) have shown that plant endopeptidases are activated as a response to cutting stress. Previous work in our laboratory explored over 300 entries of forage genotypes and found a broad diversity in enzymatic activity by means of hydrolysis in gelatine and direct autolysis assays in forage tissues. The objective of this work was to assess if the species previously identified as having high or low endopeptidase activity, would behave consistently when exposed to ruminal microbial proteolysis.
The Death Of Plants In Animals, M. K. Theodorou, A. Kingston-Smith, P. Morris
The Death Of Plants In Animals, M. K. Theodorou, A. Kingston-Smith, P. Morris
IGC Proceedings (1977-2023)
It is necessary first to understand some of the basic concepts associated with the digestion of the plant biomass within the rumen when considering mechanisms for altering/enhancing N-conversion efficiency in the forage-fed ruminant. Although it is generally assumed that breakdown of plant proteins in the rumen is mediated by microbial enzymes, there is increasing evidence to suggest that both plant and microbial proteases are active during degradation of ingested fresh forage (Beha et al., 2002; Kingston-Smith & Theodorou, 2000; Kingston-Smith et al., 2003, 2004). After fresh plant biomass enters the rumen and prior to extensive plant cell wall …
Effect Of Pre-Planting Seed Treatment Options On Dormancy Breaking And Germination Of Ziziphus Mucronata, Abubeker Hassen, N. F. G. Rethman, Willem A. Van Niekerk
Effect Of Pre-Planting Seed Treatment Options On Dormancy Breaking And Germination Of Ziziphus Mucronata, Abubeker Hassen, N. F. G. Rethman, Willem A. Van Niekerk
IGC Proceedings (1977-2023)
Ziziphus mucronata (Buffalo thorn) is a multipurpose tree, widely adapted to a range of ecological conditions and tolerant of extreme climatic conditions, including frost and drought (Venter & Venter, 1996). It is a valuable fodder tree for livestock and game animals, especially in the drier parts of Africa (Rothauge et al. 2003). Similar to many other leguminous species, establishment is constrained by low and erratic germination of the seed, which has been attributed mainly to the physical barrier of the stony endocarp and dormancy associated with seed coat impermeability . This experiment aimed to compare the suitability of various …
Modelling Of Nitrogen Allocation And Partitioning Within Lucerne (Medicago Sativa) Shoot Tissues During Recovery From Defoliation: An Approach To Estimate Forage Production And Nitrogen Composition, F. Meuriot, A. Escobar-Gutiérrez, J-C. Avice, J-C. Simon, F. Lesuffleur, F. Gastal
Modelling Of Nitrogen Allocation And Partitioning Within Lucerne (Medicago Sativa) Shoot Tissues During Recovery From Defoliation: An Approach To Estimate Forage Production And Nitrogen Composition, F. Meuriot, A. Escobar-Gutiérrez, J-C. Avice, J-C. Simon, F. Lesuffleur, F. Gastal
IGC Proceedings (1977-2023)
Lucerne has been grown over centuries for forage. Its forage production is strongly correlated to the initial taproot and stubble N reserves (Avice et al., 1996; Meuriot et al., 2004). However, the influence of cutting management on the level of N storage and the contribution of these N reserves to forage production still remain unclear and need to be studied at the whole plant level. For this purpose, a deterministic model of N allocation within the different organs and partitioning within different biochemical N pools was developed for lucerne with high and low initial N status and cutting …
Effect Of Three Legumes Containing Different Condensed Tannin Concentrations On The In Vitro Formation Of The Pastoral Flavour Compound; Skatole, N. M. Schreurs, M. H. Tavendale, G. A. Lane, T. N. Barry, W. C. Mcnabb
Effect Of Three Legumes Containing Different Condensed Tannin Concentrations On The In Vitro Formation Of The Pastoral Flavour Compound; Skatole, N. M. Schreurs, M. H. Tavendale, G. A. Lane, T. N. Barry, W. C. Mcnabb
IGC Proceedings (1977-2023)
Feeding legumes, such as white clover (Trifolium repens), results in higher intakes and increased animal production compared to grasses (Ulyatt, 1981). Skatole is produced in the rumen from plant protein fermentation and is associated with undesirable pastoral flavours in meat (Young et al. 2002). Feeding white clover causes a greater skatole concentration in the rumen compared to perennial ryegrass (Lolium perenne) or Lotus corniculatus, as the protein in white clover is highly soluble and rapidly degraded (Schreurs et al., 2004). The condensed tannins (CT) in Lotus species slow protein degradation in the rumen (Aerts …
Shearing Strength And Chemical Composition In The Selection For Quality In Brachiaria Brizantha, Cacilda B. Valle, F. E. Torres, B. Lempp
Shearing Strength And Chemical Composition In The Selection For Quality In Brachiaria Brizantha, Cacilda B. Valle, F. E. Torres, B. Lempp
IGC Proceedings (1977-2023)
Selection of quality pasture forages for productivity, nutritive value and animal performance require long-term, expensive trials. Simpler and accurate techniques to detect quality differences among genotypes have been proposed (Mackinnon et al., 1988; Hughes et al., 2000). This paper discusses the use of shearing strength in Brachiaria brizantha ecotypes to correlate physical traits with chemical composition: the objective being the identification of cultivars of improved quality forage suitable to the savannas of Brazil.
The Economic Benefit Of Increased Yield And Digestibility In A Perennial C4 Grass, R. Mitchell, K. P. Vogel, G. Sarath
The Economic Benefit Of Increased Yield And Digestibility In A Perennial C4 Grass, R. Mitchell, K. P. Vogel, G. Sarath
IGC Proceedings (1977-2023)
Big bluestem (Andropogon gerardii Vitman) is a perennial C4 grass native to the North American tallgrass prairie (Weaver, 1954). It provides productive, high quality forage during late spring and summer in the Great Plains, USA (Mitchell et al., 1994). Increasing forage yield and digestibility can increase livestock performance and grassland profitability (Casler & Vogel, 1999). This study aimed to compare the economic value of 2 big bluestem strains developed by 3 generations of breeding for increased forage yield and digestibility with the base populations from which they were derived.
Urban Campus Native Bee Conservation Guide, Breann A. Kniffen
Urban Campus Native Bee Conservation Guide, Breann A. Kniffen
SUURJ: Seattle University Undergraduate Research Journal
Around the world, there are nearly 20,000 species of bees, with roughly 3,600 of these species residing in North America (Xerces Society, 2015). However, nearly one in six bee species has already gone regionally extinct, while over 40% are vulnerable to extinction (Center for Biological Diversity, 2018). Agriculture, habitat loss, pesticide use, climate change, and competition and disease from non-native honeybees are just a few factors contributing to the loss of bees who are native to the Americas (Koh et al., 2015). While urban developments contribute to habitat loss, cities can aid in counteracting the effects of urbanization by creating …
Development Of A Test Scenario To Assess Kinetosis Risk In Military Flight Training, Simone Vera Löhlein, Mara Kaufeld, Andreas Seefried, Axel Schulte
Development Of A Test Scenario To Assess Kinetosis Risk In Military Flight Training, Simone Vera Löhlein, Mara Kaufeld, Andreas Seefried, Axel Schulte
International Symposium on Aviation Psychology - 2023
In order to develop a comprehensive test scenario to detect the risk of early motion induced kinetosis, in aviation more commonly known as airsickness (AS), we conducted a detailed survey on the experiences of jet-aircraft student pilots, flight instructors, and flight physicians to discover AS-related flight maneuvers and other non-motion-induced triggers. Subsequently, we use these findings to design test scenarios that simulate the relevant stimuli in a controlled laboratory setting. Additionally, we propose how gaze tracking can be used to get further information about the pilot’s behaviour. For instance, it gives information about head-down times related to secondary tasks and …
Implementation Of A Diabetes Education Program In The Correctional Setting: A Project Proposal, Raymond Lengel
Implementation Of A Diabetes Education Program In The Correctional Setting: A Project Proposal, Raymond Lengel
Doctor of Nursing Practice Scholarly Projects
Diabetes is a chronic disease requiring patient responsibility to ensure good control and reduced morbidity and mortality. Incarcerated diabetic adults suffer from poor control and complications associated with their disease partly due to their limited health literacy. Arming diabetics with knowledge related to diabetes improves disease control and healthcare outcomes. The proposed final scholarly project involves the implementation of a diabetic education initiative to assess the effects of diabetic-specific education on self-care activities. The proposed quality improvement project will be framed with the Plan-Do-Study-Act and Nola Pender's Health Promotion Model. The proposed final scholarly project involves obtaining a baseline assessment, …
Nickel Acquisition Affected By Root Density Of Mono- And Mixed-Cropping Peanut And Choy Sum, Aiyen Tjoa, Leisa Reclina Christi, Nur Edy, Zainuddin Basri, Henry Barus
Nickel Acquisition Affected By Root Density Of Mono- And Mixed-Cropping Peanut And Choy Sum, Aiyen Tjoa, Leisa Reclina Christi, Nur Edy, Zainuddin Basri, Henry Barus
Jurnal Penelitian Kehutanan Wallacea
Nickel (Ni) and associated minerals (Cr and Mn) are naturally occurring substances in ultramafic laterites soil. It may be found in our vegetables and grains when agriculture is grown in ultramafic laterites. This study aimed to assess the contamination of Ni in edible crops affected by soil volume in mono- and mixed cropping on limonitic laterite soil. The investigation was conducted on Peanut (Arachis hypogaea L.) and Choy Sum (Brassica rapa var. parachinensis) in three different pots sizes-representing soil volume to support root growth, which was filled with 0.5 kg (small), 1.0 kg (medium), and 1.5 kg (big) of limonitic …
2nd Multidisciplinary Scientific Conference: Ibri Regional Hospital, Ibri, Oman, Ibri Regional Hospital
2nd Multidisciplinary Scientific Conference: Ibri Regional Hospital, Ibri, Oman, Ibri Regional Hospital
Sultan Qaboos University Medical Journal
No abstract provided.
Economic Analysis Of Fortified Food Products In India: Evidence From Heckman Selection Model, Ramanjeet Singh Toor
Economic Analysis Of Fortified Food Products In India: Evidence From Heckman Selection Model, Ramanjeet Singh Toor
Student Theses and Dissertations
Food fortification refers to the addition of nutrients and minerals to food. About 70% of the people in India are suffering from a deficiency of nutrients and minerals. The main objective of this study is to examine the critical economic and demographic characteristics related to the consumption of fortified products and to investigate their effects on expenditures in India using survey data published on Qualtrics. We utilized the Heckman selection model to estimate different parameters for choice and consumption processes with controlling non-random samples. Our results show that sociodemographic characteristics such as marital status, income, age, education, gender, and the …
A Foundational Population Genetics Investigation Of The Sexual Systems Of Solanum (Solanaceae) In The Australian Monsoon Tropics Suggests Dioecious Taxa May Benefit From Increased Genetic Admixture Via Obligate Outcrossing, Jason T. Cantley, Ingrid E. Jordon-Thaden, Morgan Roche, Daniel S. Hayes, Stephamie Kate, Christopher T. Martine
A Foundational Population Genetics Investigation Of The Sexual Systems Of Solanum (Solanaceae) In The Australian Monsoon Tropics Suggests Dioecious Taxa May Benefit From Increased Genetic Admixture Via Obligate Outcrossing, Jason T. Cantley, Ingrid E. Jordon-Thaden, Morgan Roche, Daniel S. Hayes, Stephamie Kate, Christopher T. Martine
Faculty Journal Articles
Solanum section Leptostemonum is an ideal lineage to test the theoretical framework regarding proposed evolutionary benefits of outcrossing sexual systems in comparison to cosexuality. Theoretically, non-cosexual taxa should support more genetic diversity within populations, experience less inbreeding, and have less genetic structure due to a restricted ability to self-fertilize. However, many confounding factors present challenges for a confident inference that inherent differences in sexual systems influence observed genetic patterns among populations. This study provides a foundational baseline of the population genetics of several species of different sexual systems with the aim of generating hypotheses of any factor—including sexual system—that influences …
Preemption In State Tobacco Minimum Legal Sales Age Laws In The Us, 2022: A Policy Analysis Of State Statutes And Case Laws, Page D. Dobbs, Ginny Chadwich, Eric Crosbie, Jessica Breslin, Lisa Henriksen
Preemption In State Tobacco Minimum Legal Sales Age Laws In The Us, 2022: A Policy Analysis Of State Statutes And Case Laws, Page D. Dobbs, Ginny Chadwich, Eric Crosbie, Jessica Breslin, Lisa Henriksen
Health, Human Performance and Recreation Faculty Publications and Presentations
Preemptive statutory language within tobacco minimum legal sales age (MLSA) laws has prohibited localities from enacting stricter laws than state statutes. With the recent uptake of state Tobacco 21 laws in the US, the current landscape of preempted MLSA laws is unknown. This study sought to update the status of preemption in MLSA laws enacted in US states between 2015–2022. A public health attorney reviewed state tobacco MLSA laws (n = 50) and state tobacco control codes, searching for language regarding preemption. When statutes were unclear, case law was reviewed by examining local ordinances that were invalidated by state court …
The Vitamin D Serum Levels In Pregnant Women Affected By Covid-19: A Systematic Review And Meta-Analysis, Luiza Szarpak, Stepan Feduniw, Michal Pruc, Michal Ciebiera, Basar Cander, Mansur Rahnama-Hezavah, Łukasz Szarpak
The Vitamin D Serum Levels In Pregnant Women Affected By Covid-19: A Systematic Review And Meta-Analysis, Luiza Szarpak, Stepan Feduniw, Michal Pruc, Michal Ciebiera, Basar Cander, Mansur Rahnama-Hezavah, Łukasz Szarpak
Faculty, Staff and Students Publications
Vitamin D can modulate immune responses, and its deficiency is linked to increased autoimmunity and susceptibility to infection. In the general population, it has been observed that serum vitamin D levels are connected with the risk of COVID-19 and its severity. Our study aims to examine reported findings on the effect of vitamin D serum levels on infection of COVID-19 during pregnancy. PubMed, Web of Science, Embase, and Cochrane Library were searched for relevant studies. Serum vitamin D serum levels in COVID-19-positive and COVID-19-negative pregnant women were 24.61 ± 20.86 ng/mL and 24.12 ± 17.33 ng/mL, respectively. In mild vs. …