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Articles 331 - 360 of 12200
Full-Text Articles in Entire DC Network
Seasonal And Diurnal Variation In Forage Nutritive Value Of Cool-Season Grasses As Predicted By Near-Infrared Reflectance Spectroscopy (Nirs), Ann Marie C. Riley, Isabelle A. Kagan, Brittany E. Davis, Laurie M. Lawrence, Chris D. Teutsch, S. Ray Smith
Seasonal And Diurnal Variation In Forage Nutritive Value Of Cool-Season Grasses As Predicted By Near-Infrared Reflectance Spectroscopy (Nirs), Ann Marie C. Riley, Isabelle A. Kagan, Brittany E. Davis, Laurie M. Lawrence, Chris D. Teutsch, S. Ray Smith
Animal and Food Sciences Faculty Publications
A better understanding of seasonal and diurnal variation in forage nutritive value may help to maximize protein intake and digestibility for grazing livestock. Forage nutritive value was evaluated in four cool-season grasses common to Kentucky pastures: orchardgrass (Dactylis glomerata L.; OG), perennial ryegrass (Lolium perenne L. ssp. perenne; PRG), Kentucky bluegrass (Poa pratensis L.; KBG), and tall fescue [Schedonorus arundinaceus (Schreb.) Dumort.; TF]. In 2015 and 2017, 10 cool-season grass cultivars representing four species, planted in quadruplicate (40 plots) in central Kentucky, were maintained vegetatively with 2–4 week mowing and sampled in the morning and the afternoon at the same …
East Greenland Ice Sheet Retreat History From Scoresby Sund And Storstrømmen Glacier During The Last Deglaciation, Jacob T.H. Anderson, Nicolás E. Young, Allie Balter-Kennedy, Karlee K. Prince, Caleb K. Walcott-George, Brandon L. Graham, Joanna Charton, Jason P. Briner, Joerg M. Schaefer
East Greenland Ice Sheet Retreat History From Scoresby Sund And Storstrømmen Glacier During The Last Deglaciation, Jacob T.H. Anderson, Nicolás E. Young, Allie Balter-Kennedy, Karlee K. Prince, Caleb K. Walcott-George, Brandon L. Graham, Joanna Charton, Jason P. Briner, Joerg M. Schaefer
Earth and Environmental Sciences Faculty Publications
The lack of geological constraints on past ice-sheet change in marine-based sectors of the Greenland Ice Sheet (GrIS) following the Last Glacial Maximum limits our ability to assess (1) the drivers of ice-sheet change, and (2) the performance of ice-sheet models that are benchmarked against the paleo-record of GrIS change. Here, we provide new in situ10Be surface exposure chronologies of ice-sheet margin retreat from the outer Scoresby Sund and Storstrømmen Glacier regions in eastern and northeastern Greenland, respectively. Ice retreated from Rathbone Island, east of Scoresby Sund, by ∼ 14.1 ka, recording some of the earliest documentations of …
Disproportionate School Brutality Upon Black Children, Nicole Tuchinda
Disproportionate School Brutality Upon Black Children, Nicole Tuchinda
Kentucky Law Journal
No abstract provided.
Apoe-Targeted Therapeutics For Alzheimer’S Disease, Hussein N. Yassine, Cristelle Hugo, Bernadette O’Donovan, Isaiah O. Stephens, Lance A. Johnson, Gregory Cole, Julia Tcw, Jan Johansson, Kassandra Kisler, Ornit Chiba-Falek
Apoe-Targeted Therapeutics For Alzheimer’S Disease, Hussein N. Yassine, Cristelle Hugo, Bernadette O’Donovan, Isaiah O. Stephens, Lance A. Johnson, Gregory Cole, Julia Tcw, Jan Johansson, Kassandra Kisler, Ornit Chiba-Falek
Physiology Faculty Publications
Apolipoprotein E (APOE) is the major lipid transport protein in the brain. Produced primarily by astrocytes and microglia, it delivers cholesterol and other lipids for membrane repair, synaptic maintenance, and immune regulation. Through interactions with specific lipid receptors, APOE maintains neuronal and vascular health. The APOE ε4 allele (APOE4), carried by approximately one-quarter of the population, has an altered protein conformation, which reduces lipid transport efficiency and modifies receptor binding. These changes disrupt lipid homeostasis, increase risk of chronic unresolved neuroinflammation and vascular inflammation, and cause breakdown of the blood–brain barrier (BBB), thus increasing neuronal vulnerability to disease pathology and …
Art, Antiquities, And Money Laundering, Derek Fincham
Art, Antiquities, And Money Laundering, Derek Fincham
Kentucky Law Journal
No abstract provided.
Fifty More Years Of Ineffable Quo? Workers' Compensation And The Right To Personal Security, Michael C. Duff
Fifty More Years Of Ineffable Quo? Workers' Compensation And The Right To Personal Security, Michael C. Duff
Kentucky Law Journal
No abstract provided.
New Title Ix Rules Come Under Cross: Due Process Requirements And Direct Cross-Examination In Campus Sexual Assault Cases, Bailey Browning
New Title Ix Rules Come Under Cross: Due Process Requirements And Direct Cross-Examination In Campus Sexual Assault Cases, Bailey Browning
Kentucky Law Journal
No abstract provided.
Inequality By Unnatural Selection: The Impact Of Tax Code Bias On The Racial Wealth Gap, Phyllis C. Tate
Inequality By Unnatural Selection: The Impact Of Tax Code Bias On The Racial Wealth Gap, Phyllis C. Tate
Kentucky Law Journal
No abstract provided.
Rectifying The Safe Drinking Water Act And The Clean Water Act: Per- And Poly-Fluoroalkyl Substances (Pfas)—A Case Study, M. Elizabeth Goss
Rectifying The Safe Drinking Water Act And The Clean Water Act: Per- And Poly-Fluoroalkyl Substances (Pfas)—A Case Study, M. Elizabeth Goss
Kentucky Law Journal
No abstract provided.
Arresting Misguided Trends In Treaty Law, Michael P. Van Alstine
Arresting Misguided Trends In Treaty Law, Michael P. Van Alstine
Kentucky Law Journal
No abstract provided.
Frequency Dependence Favours Social Plasticity And Facilitates Socio-Eco-Evolutionary Feedback In Fluctuating Environments, Jordan S. Martin, David F. Westneat, Alastair J. Wilson, Niels J. Dingemanse, Yimen G. Araya-Ajoy
Frequency Dependence Favours Social Plasticity And Facilitates Socio-Eco-Evolutionary Feedback In Fluctuating Environments, Jordan S. Martin, David F. Westneat, Alastair J. Wilson, Niels J. Dingemanse, Yimen G. Araya-Ajoy
Biology Faculty Publications
Increasing attention is being devoted to the study of phenotypic plasticity in social environments. However, much remains unknown about the selection pressures driving the evolution of social plasticity, as well as the pathways by which social plasticity may facilitate or constrain feedback between ecological and evolutionary dynamics. Here, we explore these questions using quantitative genetic models, providing general results regarding the causes of selection on social reaction norms, as well as their consequences for adaptive microevolution in fluctuating environments. We model the fitness effects of character states expressed across spatially heterogeneous microhabitats, with variation in the degree to which trait …
Knockout Of Perilipin-2 In Microglia Alters Lipid Droplet Accumulation And Response To Alzheimer’S Disease Stimuli, Isaiah O. Stephens, Lance A. Johnson
Knockout Of Perilipin-2 In Microglia Alters Lipid Droplet Accumulation And Response To Alzheimer’S Disease Stimuli, Isaiah O. Stephens, Lance A. Johnson
Physiology Faculty Publications
Highlights: What are the main findings? Knockout of Plin2 in microglia reduces lipid droplet burden, while enhancing phagocytic clearance capacity. Transcriptomic, bioenergetic, and lipidomic analyses reveal that loss of Plin2 reprograms microglial metabolism toward reduced TAG storage and improved mitochondrial resilience. What are the implications of the main findings? Plin2 serves as a key regulator of microglial lipid droplet stability, metabolic flexibility, and immune function under Alzheimer’s-relevant stressors. Targeting Plin2 may represent a therapeutic strategy to alleviate lipid droplet-driven dysfunction and restore microglial performance in aging and neurodegeneration. Lipid droplets (LDs) are emerging as key regulators of metabolism and inflammation, …
Comparison Of Alcohol-Induced Hepatoprotective Effects Of The High Fischer Ratio Oligopeptides With/Without Half Substitution By Pueraria Lobata, Yongke Deng, Qin Zhao, Na Chen, Zhiqin Zhang, Jingxuan Wang, Hongbing Fan, Haimei Liu, Lili Zhang
Comparison Of Alcohol-Induced Hepatoprotective Effects Of The High Fischer Ratio Oligopeptides With/Without Half Substitution By Pueraria Lobata, Yongke Deng, Qin Zhao, Na Chen, Zhiqin Zhang, Jingxuan Wang, Hongbing Fan, Haimei Liu, Lili Zhang
Animal and Food Sciences Faculty Publications
Long-term excessive intake of alcohol can cause serious damage to the liver, and the study of natural active ingredients with hepatoprotective effects is of great significance for the prevention and treatment of alcoholic liver injury. This study explored the ameliorative effects of high F-value oligopeptides (HFOPs) from Chlamys farreri, Pueraria lobata extract (PL), and their complex (HFOPs + PL) on alcoholic liver injury. Results showed HFOPs + PL significantly reduced alanine aminotransferase (ALT) and aspartate aminotransferase (AST) leakage, increased superoxide dismutase (SOD) and glutathione (GSH) activities, and decreased the production of malondialdehyde (MDA) and inflammatory factors in alcohol-induced HepG2 cells. …
Screening And Identification Of Antioxidant Peptides From Sea Cucumber Gonad Proteins And Their Activation Of Superoxide Dismutase, Zhiqin Zhang, Jingxuan Wang, Yongke Deng, Yugui Wang, Peipei Dou, Hongbing Fan, Xiangquan Zeng, Xinguang Fan, Lili Zhang, Haimei Liu, Qin Zhao
Screening And Identification Of Antioxidant Peptides From Sea Cucumber Gonad Proteins And Their Activation Of Superoxide Dismutase, Zhiqin Zhang, Jingxuan Wang, Yongke Deng, Yugui Wang, Peipei Dou, Hongbing Fan, Xiangquan Zeng, Xinguang Fan, Lili Zhang, Haimei Liu, Qin Zhao
Animal and Food Sciences Faculty Publications
The gonad is one of the major byproducts of sea cucumber. Four novel antioxidant peptides (NPWGQ, PGHPF, VPYPR and ATGPQGPAGQRGPAGPTGPTGPAG) were isolated and identified from sea cucumber gonad proteins through enzymatic hydrolysis and antioxidant activity-guided fractionation, bioinformatics approaches and in silico screening. These peptides demonstrated great free radical (2,2-diphenyl-1-picrylhydrazyl (DPPH) and 2,2′-azinobis(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS))-scavenging activity and notable superoxide dismutase (SOD)-activation capacity. Molecular docking and molecular dynamics simulation data suggested that these peptides could form strong binding with SOD through hydrogen bonding, electrostatic interactions, and hydrophobic interactions. Among these peptides, NPWGQ displayed the most potent antioxidant and SOD-activating effects. Through searching …
The Performance, Energy And Nutrient Utilization, And Bone Mineralization Of Broiler Chickens Fed Corn-Soybean Meal-Based Diets With Reduced Metabolizable Energy, Calcium, And Available Phosphorus Supplemented With Exogenous Enzymes, Megan M. Bauer, Tuoying Ao, Jacqueline P. Jacob, Michael J. Ford, Anthony J. Pescatore, Ronan F. Power, Sunday A. Adedokun
The Performance, Energy And Nutrient Utilization, And Bone Mineralization Of Broiler Chickens Fed Corn-Soybean Meal-Based Diets With Reduced Metabolizable Energy, Calcium, And Available Phosphorus Supplemented With Exogenous Enzymes, Megan M. Bauer, Tuoying Ao, Jacqueline P. Jacob, Michael J. Ford, Anthony J. Pescatore, Ronan F. Power, Sunday A. Adedokun
Animal and Food Sciences Faculty Publications
This study evaluated the performance and energy and nutrient utilization of broiler chickens fed corn-soybean meal-based diets supplemented with a naturally fermented enzyme complex containing xylanase and phytase. This was evaluated using 300 one-day-old male Cobb broiler chicks in a randomized complete block design with five dietary treatments replicated 10 times with 6 chicks per replicate. The treatments consisted of a positive control (PC) group containing commercially recommended energy and nutrient levels, a negative control (NC) group with reduced metabolizable energy, calcium, and available phosphorus, and three levels of exogenous enzyme supplementation to the NC diet at 150, 200, 250 …
Comparative Legal Rhetoric, Lucy Jewel
The Conversation Canon, Evan C. Zoldan
Trumping Tradition: Redefining The Family Farmer, Dalton Stanley
Trumping Tradition: Redefining The Family Farmer, Dalton Stanley
Kentucky Law Journal
No abstract provided.
Grasslands For Our World, F Riveros
Grasslands For Our World, F Riveros
IGC Proceedings (1977-2023)
The present-day role of grasslands and fodder is reviewed with respect agriculture, animal production and environmental concerns. The world's grazing lands are a finite resource and, overall, arc being badly managed; in most developing countries action is required now, before it is too late. They will continue to be a major source of animal feed for the foreseeable future; encroachment from cropping will continue locally but, for much of what is now natural pasture, exploitation by the grazing animal .will remain the major means of obtaining an economic return; the task of grassland professionals is to assist the managers of …
The Feeding Value Of Forages, C Demarquilly
The Feeding Value Of Forages, C Demarquilly
IGC Proceedings (1977-2023)
The lower productivity of legume based swards and their instability of yield from year to year compared with nitrogen fertilised grass swards continues to be a major constraint on the integration of leguminous nitrogen fixing species into present-day farming systems. Most legume systems have a high biological nitrogen fixation (BNF) potential which is rarely attained in the· field due to limiting environmental or management factors. Enhancement of BNF through manipulation of the Rhizobium and plant components of the symbiosis must be viewed as a long-term objective. Optimisation of nitrogen fixation in the short-term may best be achieved through optimisation of …
Nitrogen Fixation, Cycling, And Utilization, P M. Murphy, M T. Sherwood
Nitrogen Fixation, Cycling, And Utilization, P M. Murphy, M T. Sherwood
IGC Proceedings (1977-2023)
The lower productivity of legume based swards and their instability of yield from year to year compared with nitrogen fertilised grass swards continues to be a major constraint on the integration of leguminous nitrogen fixing species into present-day farming systems. Most legume systems have a high biological nitrogen fixation (BNF) potential which is rarely attained in the· field due to limiting environmental or management factors. Enhancement of BNF through manipulation of the Rhizobium and plant components of the symbiosis must be viewed as a long-term objective. Optimisation of nitrogen fixation in the short-term may best be achieved through optimisation of …
Development Of Legume-Based Pastures For Livestock Production In Yunnan, Peoples Republic Of China- Preliminary Studies With Trifolium Semiplosum Cv. Safari And Temperate Legume Cultivars, M J. Mathison, M/S T. Wang, Z Y. Yang, M H. Dunning, Y N. Al, Z Z. Ma, H X. Al, L W. Peng, H Yang, D C. Zhang, C G. Zhang, G R. Yang
Development Of Legume-Based Pastures For Livestock Production In Yunnan, Peoples Republic Of China- Preliminary Studies With Trifolium Semiplosum Cv. Safari And Temperate Legume Cultivars, M J. Mathison, M/S T. Wang, Z Y. Yang, M H. Dunning, Y N. Al, Z Z. Ma, H X. Al, L W. Peng, H Yang, D C. Zhang, C G. Zhang, G R. Yang
IGC Proceedings (1977-2023)
Aiming to improve livestock production from extensive grassland areas in Yunnan Province south west China, forage cultivar evaluation experiments are in progress as part of the China-Australia Technical Co-operation Programme. Preliminary results are given from introduced temperate legumes sown in 1983 in replicated swards in cultivated and uncultivated grassland. South west monsoon climates sampled range from alpine-temperate to tropical. In alpine sites red clover and annual species e.g. vetches, persian and subterranean clovers were among top dry matter yielders in the first year on cultivated land, Annual clovers failed or were outyielded by white, red clovers and, in one locality, …
Preliminary Fertilizer Requirements For Establishing Legume Based Pastures In The Alpine Zoone Of Yunnan, Jinjing Wang, J R. Bruce-Smith, Jixin Li, Mingliang Wang
Preliminary Fertilizer Requirements For Establishing Legume Based Pastures In The Alpine Zoone Of Yunnan, Jinjing Wang, J R. Bruce-Smith, Jixin Li, Mingliang Wang
IGC Proceedings (1977-2023)
Preliminary results of field trials designed to assess the soil fertility status for establishing improved legume based pastures in the alpine zone of Yunnan Province are presented. These trials were undertaken by a joint Chinese-Australian Project which is investigating ways to improve the livestock industry of the Province. The best treatments at one site in the North East yielded about 9000kg of total (grass + legume + weeds) pasture and 7000kg of this was attributable to clover production. At another site in the North West on the Southern Tibetan Plateau summer waterlogging confined the pasture yield to 4000kg DM. Tentative …
Preliminary Studies Of Fertilizer Requirements Of Tropical Legumes In Southern Yunnans Red River Valley, Jinjing Wang, J R. Bruce-Smith, Mingliang Wang, Jixin Li
Preliminary Studies Of Fertilizer Requirements Of Tropical Legumes In Southern Yunnans Red River Valley, Jinjing Wang, J R. Bruce-Smith, Mingliang Wang, Jixin Li
IGC Proceedings (1977-2023)
As part of a joint Chinese-Australian Project to promote livestock development, a farm site in the lower Chinese section of Red River Valley was chosen as an area to study techniques suited to meeting these objectives through establishing and utilizing legume based tropical pastures. Preliminary results of fertilizer trials at Daliuhu Farm show that sulphur deficiency is the main nutrient problem retarding the growth of siratro and stylo legumes. The application of as little as 5, but optimally between 10 and 20kg of sulphur as gypsum Sor elemental S seems to adequately meet their growth requirements. The apparent adequate phosphate …
Sulfur Fertilization Of Five Tropical Forages Ii. Digestibility Of Dry Matter And Cell Wall Constituents, J E. Van Eys, S Ginting, H Pulungan, W L. Johnson
Sulfur Fertilization Of Five Tropical Forages Ii. Digestibility Of Dry Matter And Cell Wall Constituents, J E. Van Eys, S Ginting, H Pulungan, W L. Johnson
IGC Proceedings (1977-2023)
Four tropical grasses and one legume were fertilized with O or 60 kg S/ha. Leaves and stems of 6 and 9 weeks old regrowth were harvested seperately from replicated plots and used to study the effect of S fertilization on parameters of in vitro DM and NDF digestion. The overall effect of fertilization was negative and most pronounced for leaves. There were large differences among forages. DM digestibility at 48 h was reduced (P < .05) for fertilized guinea grass and setaria but NDF digestion at 96 h was only lower for guinea grass. DM digestibility of stems was not affected by fertilization but NDF disappearance of napier grass stems was decreased significantly. S fertilization had no effect on lag of NDF digestion but rate of NDF digestion for stems and leaves was reduced (P < .05) by fertilization. The effect was especially large for centro. It is suggested that the negative effects of S fertilization are associated with changes in the structural components of the forages and the source of the rumen inoculum.
Sulfur Fertilization Of Five Tropical Forages I. Dry Matter Production And Chemical Composition, J E. Van Eys, S Ginting, M Rangjuti, W L. Johnson
Sulfur Fertilization Of Five Tropical Forages I. Dry Matter Production And Chemical Composition, J E. Van Eys, S Ginting, M Rangjuti, W L. Johnson
IGC Proceedings (1977-2023)
Four tropical grasses and one legume were grown on an oxic dystropept soil in W. Java, Indonesia. Two levels of S fertilizer were applied (0 and 60 kg S/ha). Forages were harvested at 6 and 9 week intervals during the wet and dry monsoons respectively. Production of leaves and stems was determined separately and samples of a 6- and 9-week regrowth were analyzed for chemical composition. The effect of S fertilization on dry matter (DM) yield was markedly influenced by the effect of season. During the wet season only the production of stems from napier grass was increased (P < .05). During the dry season stem and leaf production of napier grass and centro increased (P < .05) under fertilization but there was a decrease (P < .05) in leaf production of guinea grass. S fertilization increased S content in leaves and stems by 23%. There was a tendency for N to increase and for NDF in leaves to decrease. Only in centro was ADF and lignin of fertilized plants lower (P < .05). Although Ca, P, Mg, Cu and Zn were not affected by fertilization, ash content in leaves of fertilized forages differed (P < .05) from controls.
Development And Evaluation Of Stylosanthes Pastures For Seasonally Dry Areas Of Queensland, Australia, B Walker, P J. Mckeague
Development And Evaluation Of Stylosanthes Pastures For Seasonally Dry Areas Of Queensland, Australia, B Walker, P J. Mckeague
IGC Proceedings (1977-2023)
There are 20.8 million hectares of the seasonally dry tropics and subtropics of Queensland to which the Stylosanthes spp. (stylos) are adapted. Only 600 000 hectares have been sown, or are naturalised, to these legumes, mainly to Townsville stylo (S. humilis). However, since 1974 anthracnose (Colletotrichum gloeosporioides) has severely affected Townsville stylo pastures, and newer cultivars of Stylosanthes are being used, viz: Verano (S. hamata), Seca and Fitzroy shrubby stylos (S. scabra) and Graham (S. guianensis var. guianensis). As little was known about the animal production and pasture stability associated with these stylos ( especially shrubby stylos) under …
Review Of Forage/Livestock Production On Mixed Farms In Sahel West Africa, James R. Dickey
Review Of Forage/Livestock Production On Mixed Farms In Sahel West Africa, James R. Dickey
IGC Proceedings (1977-2023)
This is a review of forage and livestock production as they interact with farming in Sahel West Africa. Because of the complementarity of livestock and farming, as well as the abundant production of native forage in the higher rainfall southern farming areas, there is considerable hope among the donor community and host governments that both livestock and crop production can be substantially increased in the Sudan zone of West Africa. According to Winrock (1978) crop residue provides 24 % of the world supply of ruminant nutrients .. On the other hand, livestock manure supplies a large part of the agricultural …
Forage Research In Morocco And Approach To Face Constraints In A Developing Country, G Jaritz, M Bounejmate
Forage Research In Morocco And Approach To Face Constraints In A Developing Country, G Jaritz, M Bounejmate
IGC Proceedings (1977-2023)
Forage production is of a iow level in Morocco because of socio-economic and technical constraints in spite of its potential functions to integrate animal husbandry into cropping systems and to prevent soil degradation. An approach to applied forage research is described which takes into account the existing constraints including the suboptimal functioning of the present extension service. It combines small plot experimentation with commercial field testing on livestock farms owned by a number of development organizations and influential farmers in different edapho-climatic regions. In this way, pilot units for demonstration, economic analysis and convincing of decision makers are created and …
Economics Of Producing Corn (Maize) And Sorghum As Feeds For Animal Production In China, Bingxing Zhang
Economics Of Producing Corn (Maize) And Sorghum As Feeds For Animal Production In China, Bingxing Zhang
IGC Proceedings (1977-2023)
Due to insufficient production of animal products the Chinese people have eaten too much grain and too little meat and milk. Now, as a result of burriper harvests for several years in succession, it is time for the Chinese peasants to convert their surplus grain into feeds for the development of animal production to meet the growing needs of the Chinese people for meat and milk on the one hand and for wool and leather on the other. At the same time more forage sorghum and corn should be grown, especially on unused or misused poor lands and wide hillsides …