Open Access. Powered by Scholars. Published by Universities.®
- Discipline
-
- Life Sciences (19934)
- Animal Sciences (9736)
- Physical Sciences and Mathematics (8185)
- Environmental Sciences (7332)
- Social and Behavioral Sciences (3670)
-
- Agriculture (3181)
- Ecology and Evolutionary Biology (3154)
- Medicine and Health Sciences (3107)
- Plant Sciences (2934)
- Zoology (2822)
- Education (2559)
- Biodiversity (2118)
- Ornithology (2114)
- Natural Resources and Conservation (2102)
- Environmental Health and Protection (2009)
- Veterinary Medicine (1819)
- Arts and Humanities (1786)
- Other Environmental Sciences (1732)
- Natural Resources Management and Policy (1647)
- Terrestrial and Aquatic Ecology (1643)
- Poultry or Avian Science (1601)
- Entomology (1581)
- Immunology and Infectious Disease (1494)
- Population Biology (1416)
- Engineering (1403)
- Parasitology (1174)
- Meat Science (1140)
- International and Area Studies (1110)
- Agricultural Science (1063)
- Veterinary Preventive Medicine, Epidemiology, and Public Health (1056)
- Keyword
-
- Extension circular (788)
- Nebraska (651)
- Cattle (313)
- Invasive species (242)
- Swine (234)
-
- Management (227)
- Agriculture (224)
- Publications (200)
- Livestock (197)
- Control (194)
- Beef (183)
- Reproduction (178)
- Beef cattle (173)
- University of Nebraska (165)
- Nutrition (160)
- Corn (144)
- Grus americana (142)
- Disease (140)
- Cooperative Extension (139)
- Nebraska Cooperative Extension (136)
- Birds (134)
- Conservation (133)
- Extension publications (132)
- Pigs (125)
- Sorghum (125)
- Sheep (123)
- Guide (122)
- Growth (121)
- Coyote (120)
- Sus scrofa (118)
- Publication Year
- Publication
-
- United States Department of Agriculture Wildlife Services: Staff Publications (2573)
- University of Nebraska-Lincoln Extension: Historical Materials (1492)
- Nebraska Bird Review (1477)
- Nebraska Beef Cattle Reports (1281)
- Department of Animal Science: Faculty Publications (1280)
-
- United States Department of Agriculture-Agricultural Research Service / University of Nebraska-Lincoln: Faculty Publications (1269)
- School of Natural Resources: Faculty Publications (659)
- Harold W. Manter Laboratory of Parasitology: Faculty Publications (570)
- School of Biological Sciences: Faculty Publications (561)
- Roman L. Hruska U.S. Meat Animal Research Center: Reports (539)
- Department of Agronomy and Horticulture: Faculty Publications (510)
- United States Geological Survey: Staff Publications (481)
- Proceedings of the North American Crane Workshop (424)
- United States Fish and Wildlife Service: Publications (405)
- Textile Society of America: Symposium Proceedings (403)
- Great Plains Wildlife Damage Control Workshop Proceedings (365)
- School of Veterinary and Biomedical Sciences: Faculty Publications (365)
- NEBLINE Newsletter Archive from Nebraska Extension in Lancaster County (362)
- University of Nebraska Historical Extension: Bulletin (356)
- Range Beef Cow Symposium (351)
- Department of Psychology: Faculty Publications (342)
- United States Department of Commerce: Staff Publications (339)
- Agricultural Research Division: News and Annual Reports (330)
- Great Plains Quarterly (through 2013) (327)
- Department of Entomology: Faculty Publications (318)
- Department of Animal Science: Dissertations, Theses, and Student Research (301)
- University of Nebraska State Museum: Mammalogy Papers (299)
- Insecta Mundi (294)
- Nebraska Swine Reports (291)
- Great Plains Research: A Journal of Natural and Social Sciences (through 2013) (285)
- Publication Type
- File Type
Articles 6181 - 6210 of 38026
Full-Text Articles in Entire DC Network
Nebline, September 2018
NEBLINE Newsletter Archive from Nebraska Extension in Lancaster County
Feature: Septic systems need regular maintenance to function properly
Food & Health
Farm & Acreage
Pests & Wildlife
Horticulture
Early Childhood
4-H & Youth
and other extension news and events
An Observed Instance Of Cooper’S Hawk (Accipiter Cooperii) Predation On A Chicken In An Urban Environment, Don Arp Jr.
An Observed Instance Of Cooper’S Hawk (Accipiter Cooperii) Predation On A Chicken In An Urban Environment, Don Arp Jr.
Nebraska Bird Review
On February 21, 2015, I had the opportunity to observe a Cooper’s Hawk (Accipiter cooperii) attack, kill, and feed on a chicken in an urban environment.
The attack occurred around 1:10 p.m. on February 21, 2015, in Lincoln, Nebraska, in a residential area that is often referred to as the Bethany neighborhood. With large mature trees and landscape hedges, it provided excellent cover for the hawk’s attack. Weather data for that day show a low temperature of 18 degrees Fahrenheit and a high temperature of 40 degrees Fahrenheit. There was residual snow cover in some areas, as Lincoln had experienced …
The Nebraska Bird Review, Volume 86 September 2018 Number 3
The Nebraska Bird Review, Volume 86 September 2018 Number 3
Nebraska Bird Review
Summer Field Report, June - July 2018, by W. Ross Silcock …102
An Observed Instance of Cooper's Hawk (Accipiter cooperii) Predation on a Chicken in an Urban Environment, by Don Arp, Jr. …124
Possible Double-brooding in Scissor-tailed Flycatcher (Tyrannus forficatus), by Wayne J. Mollhoff …128
2017 (29th) Report of the NOU Records Committee, by Mark A. Brogie …131
Subscription and Organization Information … 143
Induction Of Oil Accumulation By Heat Stress Is Metabolically Distinct From N Stress In The Green Microalgae Coccomyxa Subellipsoidea C169, James W. Allen, Rahul Tevatia, Yaşar Demirel, Concetta C. Dirusso, Paul N. Black
Induction Of Oil Accumulation By Heat Stress Is Metabolically Distinct From N Stress In The Green Microalgae Coccomyxa Subellipsoidea C169, James W. Allen, Rahul Tevatia, Yaşar Demirel, Concetta C. Dirusso, Paul N. Black
Department of Biochemistry: Faculty Publications
Algae are often promoted as feedstock organisms to produce a sustainable petroleum fossil fuel alternative. However, to induce lipid accumulation most often requires a severe stress that is difficult to induce in large batch cultures. The objective of this study is to analyze and mathematically model heat stress on growth, chlorophyll content, triacylglyceride, and starch synthesis in algae. We initially screened 30 algal species for the most pronounced induction of lipid droplets from heat stress using confocal microscopy and mass spectroscopy techniques. One species, Coccomyxa subellipsoidea C169, was selected and subjected to further biochemical analyses using a jacketed bioreactor amended …
Ageing: A Sin In Nigerian Society?, Raji Abdullateef, Sunkanmi Folorunsho, Adeshina Olawale, Raji Adeyemi
Ageing: A Sin In Nigerian Society?, Raji Abdullateef, Sunkanmi Folorunsho, Adeshina Olawale, Raji Adeyemi
Department of Sociology: Dissertations, Theses, and Student Research
Ageing can be said to be a permanent and irreparable innate process determined by a reduction in mental and equally physical status of people. Due to multiple factors, this essential process and its significance vary significantly among individuals and across cultures. The phenomenon of ageing is not attracting the attention it deserves especially in the developing countries like Nigeria. Importantly, old people in Nigeria are facing many challenges ranging from financial and economic shortcomings, socio-cultural discriminations among others. The study set out to understand the challenges and prospects of ageing in Nigeria. The theory used to explain this is the …
Possible Double-Brooding In Scissor-Tailed Flycatcher (Tyrannus Forficatus), Wayne Mollhoff
Possible Double-Brooding In Scissor-Tailed Flycatcher (Tyrannus Forficatus), Wayne Mollhoff
Nebraska Bird Review
In a follow-up visit to the site near Alexandria, Thayer Co., where I documented a Scissor-tailed Flycatcher nest with eggs in 2017, I found a pair present at the same site on 8 June 2018. After some searching, I found that their nest, with 4 eggs, was built in the same upright crotch of the same branch where it was located the year before. I knew it was a completely new nest, since the previous nest had been removed after the nesting season the year before. On a second visit on 13 August 2018, to see if the birds and/or …
Summer Field Report, June-July 2018, W. Ross Silcock
Summer Field Report, June-July 2018, W. Ross Silcock
Nebraska Bird Review
This was a rather lackluster summer season, notably among waterfowl, shorebirds, and gulls. However, the discovery of a couple of amazing rarities spiced things up. Not only were there a few reports of the increasing Black-bellied Whistling- Duck, but the Fulvous Whistling-Ducks in Lancaster Co were a first state record, albeit a bit overdue. Another major rarity was a Reddish Egret, Nebraska’s third, in Hall Co, seen by almost as many folks as the Fulvous Whistling-Ducks. Close behind were the 6th and 7th Nebraska records of Black-chinned Hummingbird, probably on its way to regular occurrence in the next few years. …
Occupancy And Habitat Use By Six Species Of Forest Ungulates On Tiwai Island, Sierra Leone, Kathryn R. Mccollum, Emily Belinfante, April L. Conway, John P. Carroll
Occupancy And Habitat Use By Six Species Of Forest Ungulates On Tiwai Island, Sierra Leone, Kathryn R. Mccollum, Emily Belinfante, April L. Conway, John P. Carroll
School of Natural Resources: Faculty Publications
Forest ungulates in West Africa are common bushmeat species and are subject to habitat degradation through deforestation. Based on historical data, there are possibly 12 species of forest Bovidae and Tragulidae found in eastern Sierra Leone. We used camera trapping to assess occupancy by forest ungulates on and around a small protected area, Tiwai Island, Sierra Leone. We then assessed habitat over two field seasons during 2008–2011 for those species where we had sufficient numbers of detections. We detected 6 of 12 potential species and obtained enough data to further assess the habitat of two species. Species detected included the …
The Ecology Of A Tallgrass Treasure: Audubon’S Spring Creek Prairie, Paul A. Johnsgard
The Ecology Of A Tallgrass Treasure: Audubon’S Spring Creek Prairie, Paul A. Johnsgard
Zea E-Books Collection
This book describes the major plant and animal components of Spring Creek Prairie Audubon Center, an 850-acre National Audubon Society tallgrass prairie in Lancaster County, southeastern Nebraska. In addition to providing a species list of the area’s plants (368 species), there are comprehensive annotated lists of its birds (240), mammals (43), reptiles (23), and amphibians (10). There are also variably complete annotated lists of the area’s butterflies (76), sphinx moths (30), silk moths (7), dragonflies (24), damselflies (11), grasshoppers (9), katydids (11), mantids (2), and walkingsticks (2). Brief profiles of life histories and ecologies of 55 animal and 7 plant …
Predicting Impacts Of Chemicals From Organisms To Ecosystem Service Delivery: A Case Study Of Endocrine Disruptor Effects On Trout, Valery E. Forbes, Steve Railsback, Chiara Accolla, Bjorn Birnir, Randall J.F. Bruins, Virginie Ducrot, Nika Galic, Kristina Garber, Bret C. Harvey, Henriette I. Jager, Andrew Kanarek, Robert Pastorok, Richard Rebarber, Pernille Thorbek, Chris J. Salice
Predicting Impacts Of Chemicals From Organisms To Ecosystem Service Delivery: A Case Study Of Endocrine Disruptor Effects On Trout, Valery E. Forbes, Steve Railsback, Chiara Accolla, Bjorn Birnir, Randall J.F. Bruins, Virginie Ducrot, Nika Galic, Kristina Garber, Bret C. Harvey, Henriette I. Jager, Andrew Kanarek, Robert Pastorok, Richard Rebarber, Pernille Thorbek, Chris J. Salice
Department of Mathematics: Faculty Publications
We demonstrate how mechanistic modeling can be used to predict whether and how biological responses to chemicals at (sub)organismal levels in model species (i.e., what we typically measure) translate into impacts on ecosystem service delivery (i.e., what we care about). We consider a hypothetical case study of two species of trout, brown trout (Salmo trutta; BT) and greenback cutthroat trout (Oncorhynchus clarkii stomias; GCT). These hypothetical populations live in a high-altitude river system and are exposed to human-derived estrogen (17α‑ethinyl estradiol, EE2), which is the bioactive estrogen in many contraceptives. We use the individual based model in STREAM …
A Multi-Isotope (Δ13c, Δ15n, Δ34s, Δ2h) Approach To Establishing Migratory Connectivity In Lesser Snow Geese: Tracking An Overabundant Species, Drew N. Fowler, Elisabeth B. Webb, Frank B. Baldwin, Mark P. Vrtiska, Keith A. Hobson
A Multi-Isotope (Δ13c, Δ15n, Δ34s, Δ2h) Approach To Establishing Migratory Connectivity In Lesser Snow Geese: Tracking An Overabundant Species, Drew N. Fowler, Elisabeth B. Webb, Frank B. Baldwin, Mark P. Vrtiska, Keith A. Hobson
Nebraska Game and Parks Commission: Staff Research Publications
Expanding populations of North American midcontinent lesser snow geese (Anser caerulescens caerulescens) have potential to alter ecosystems throughout the Arctic and subarctic where they breed. Efforts to understand origins of harvested lesser snow geese to better inform management decisions have traditionally required mark-recapture approaches, while aerial photographic surveys have typically been used to identify breeding distributions. As a potential alternative, isotopic patterns that are metabolically fixed within newly grown flight feathers following summer molting could provide inferences regarding geographic breeding origin of individuals, without the need for prior capture. Our objective was to assess potential to use four stable isotopes …
A Red List Of Mites From The Suborder Uropodina (Acari: Parasitiformes) In Poland, Agnieszka Napierała, Zofia Książkiewicz‑Parulska, Jerzy Błoszyk
A Red List Of Mites From The Suborder Uropodina (Acari: Parasitiformes) In Poland, Agnieszka Napierała, Zofia Książkiewicz‑Parulska, Jerzy Błoszyk
Harold W. Manter Laboratory of Parasitology: Library Materials
This article presents a Red List of mite species from the suborder Uropodina (Acari: Parasitiformes) occurring in Poland. Evaluation of the conservation status of the analyzed species was compiled on the basis of new criteria, which may also be applied to other groups of soil fauna. The authors employ the names of categories proposed by the International Union for Conservation of Nature (IUCN). One of our aims was to review the IUCN criteria to ascertain whether they are applicable in an attempt to assess the danger of extinction of soil invertebrates, and to see whether the criteria can be adapted …
Amphibians And Reptiles Of United States Department Of Defense Installations, Christopher E. Petersen, Robert E. Lovich, Sarah Stallings
Amphibians And Reptiles Of United States Department Of Defense Installations, Christopher E. Petersen, Robert E. Lovich, Sarah Stallings
United States Navy: Publications
The U.S. Department of Defense (DoD) occupies approximately 10.1 million ha of land within the U.S. spanning most ecosystems contained therein. To date, no comprehensive agency-wide inventory of amphibian and reptile species has been compiled. We developed an amphibian and reptile species inventory for 415 DoD installations/sites and evaluated species diversity. The amphibian and reptile species confirmed present on DoD sites represent 66% of the total native species documented in the continental U.S. Snakes are the most widespread group found on DoD lands. Of the military services, Army sites have the greatest number of confirmed species, federally listed, state-listed, and …
Rural Sense: Value, Heritage, And Sensory Landscapes: Developing A Design-Oriented Approach To Mapping For Healthier Landscapes, Judith Van Der Elst, Heather Richards-Rissetto, Lily Díaz-Kommonen
Rural Sense: Value, Heritage, And Sensory Landscapes: Developing A Design-Oriented Approach To Mapping For Healthier Landscapes, Judith Van Der Elst, Heather Richards-Rissetto, Lily Díaz-Kommonen
Department of Anthropology: Faculty Publications
Landscape design needs a novel value system centred on human experience of the landscape rather than simply on economic value. Design-oriented research allows us to shift the focus from mechanistic paradigms towards new sensemaking approaches that value both the sensual and the cognitive in human experience. To move in this direction, we investigate cultural and natural aspects of sensory experience in rural landscapes, arguing that: (1) rural (non-urban) regions offer diverse sensory experiences for optimising human health; and (2) spatial interconnectedness between rural and urban areas means that healthy rural regions are critical for urban development. Our key argument is …
Considerations For Best Practices In Studies Of Fiber Or Other Dietary Components And The Intestinal Microbiome, David M. Klurfeld, Cindy D. Davis, Robert W. Karp, Emma Allen-Vercoe, Eugene B. Chang, Benoit Chassaing, George C. Fahey Jr, Bruce R. Hamaker, Hannah D. Holscher, Johanna W. Lampe, Andre Marette, Eric Martens, Stephen J. O'Keefe, Devin J. Rose, Maria Saarela, Barbara O. Schneeman, Joanne L. Slavin, Justin L. Sonnenburg, Kelly S. Swanson, Gary D. Wu, Christopher J. Lynch
Considerations For Best Practices In Studies Of Fiber Or Other Dietary Components And The Intestinal Microbiome, David M. Klurfeld, Cindy D. Davis, Robert W. Karp, Emma Allen-Vercoe, Eugene B. Chang, Benoit Chassaing, George C. Fahey Jr, Bruce R. Hamaker, Hannah D. Holscher, Johanna W. Lampe, Andre Marette, Eric Martens, Stephen J. O'Keefe, Devin J. Rose, Maria Saarela, Barbara O. Schneeman, Joanne L. Slavin, Justin L. Sonnenburg, Kelly S. Swanson, Gary D. Wu, Christopher J. Lynch
Food for Health: Publications
Considerations for best practices in studies of fiber or other dietary components and the intestinal microbiome. Am J Physiol Endocrinol Metab 315: E1087–E1097, 2018. First published August 21, 2018; doi:10.1152/ajpendo.00058.2018.—A 2-day workshop organized by the National Institutes of Health and U.S. Department of Agriculture included 16 presentations focused on the role of diet in alterations of the gastrointestinal microbiome, primarily that of the colon. Although thousands of research projects have been funded by U.S. federal agencies to study the intestinal microbiome of humans and a variety of animal models, only a minority addresses dietary effects, and a small subset is …
Histopathological, Morphological, And Molecular Characterization Of Sarcocystis Species In Elk (Cervus Elaphus) From Pennsylvania, Usa, Camila K. Cerqueira-Cézar, Peter C. Thompson, Fernando H.A. Murata, Joseph Mowery, Justin D. Brown, Jeremy Bafield, Benjamin M. Rosenthal, J. P. Dubey
Histopathological, Morphological, And Molecular Characterization Of Sarcocystis Species In Elk (Cervus Elaphus) From Pennsylvania, Usa, Camila K. Cerqueira-Cézar, Peter C. Thompson, Fernando H.A. Murata, Joseph Mowery, Justin D. Brown, Jeremy Bafield, Benjamin M. Rosenthal, J. P. Dubey
United States Department of Agriculture-Agricultural Research Service / University of Nebraska-Lincoln: Faculty Publications
Sarcocystis sarcocysts are common in many species of domestic and wild animals. Here, we report sarcocystosis in muscles from 91 free range elk (Cervus elaphus) from Pennsylvania, USA, tested by histopathology, transmission electron microscopy (TEM), and DNA sequencing. Sarcocysts were detected in hematoxylin and eosin (HE)-stained sections from 83 of 91 (91.2%) elk, including 83/91 (91.2%) tongues and 15/17 (88.2%) hearts. With respect to age, sarcocysts were found in 0/5 calves, 8/9 (88.8%) yearlings, and 75/77 (97.4%) adults. Sarcocysts were identified in 62/69 (89.4%) females and 21/22 (91.2%) males. Associated lesions were mild and consisted of inflammatory foci around degenerate …
Global Dynamics Of A Mutualism–Competition Model With One Resource And Multiple Consumers, Yuanshi Wang, Hong Wu, Donald L. Deangelis
Global Dynamics Of A Mutualism–Competition Model With One Resource And Multiple Consumers, Yuanshi Wang, Hong Wu, Donald L. Deangelis
United States Geological Survey: Staff Publications
Recent simulation modeling has shown that species can coevolve toward clusters of coexisting consumers exploiting the same limiting resource or resources, with nearly identical ratios of coefficients related to growth and mortality. This paper provides a mathematical basis for such as situation; a full analysis of the global dynamics of a new model for such a class of n-dimensional consumer–resource system, in which a set of consumers with identical growth to mortality ratios compete for the same resource and in which each consumer is mutualistic with the resource. First, we study the system of one resource and two consumers. …
Robert James Baker (1942-2018), Obituary, Hugh H. Genoways, Robert D. Bradley, David J. Schmidly, Lisa C. Bradley, James J. Bull, Karen Mcbee, Meredith J. Hamilton, Peter A. Larsen
Robert James Baker (1942-2018), Obituary, Hugh H. Genoways, Robert D. Bradley, David J. Schmidly, Lisa C. Bradley, James J. Bull, Karen Mcbee, Meredith J. Hamilton, Peter A. Larsen
University of Nebraska State Museum: Mammalogy Papers
First paragraph:
On 30 March 2018, the science of mammalogy and the American Society of Mammalogists lost one of the most influential figures of the last half-century. Robert James Baker died quietly at his home in Lubbock, Texas (Fig. 1). He was born on 8 April 1942 to James Simeon Baker and Laura Cooper in Warren, Arkansas. His father was killed during World War II and his mother remarried, resulting in his growing up with six half-siblings. According to Robert’s autobiography in Going afield (330—number refers to specific publication in “Bibliography”), he spent a good deal of his youth with …
Ancient Convergent Losses Of Paraoxonase 1 Yield Potential Risks For Modern Marine Mammals, Wynn K. Meyer, Jerrica Jamison, Rebecca Richter, Stacy E. Woods, Raghavendran Partha, Amanda Kowalczyk, Charles Kronk, Maria Chikina, Robert K. Bonde, Daniel E. Crocker, Joseph Gaspard, Janet M. Lanyon, Judit Marsillach, Clement E. Furlong, Nathan L. Clark
Ancient Convergent Losses Of Paraoxonase 1 Yield Potential Risks For Modern Marine Mammals, Wynn K. Meyer, Jerrica Jamison, Rebecca Richter, Stacy E. Woods, Raghavendran Partha, Amanda Kowalczyk, Charles Kronk, Maria Chikina, Robert K. Bonde, Daniel E. Crocker, Joseph Gaspard, Janet M. Lanyon, Judit Marsillach, Clement E. Furlong, Nathan L. Clark
United States Geological Survey: Staff Publications
Mammals diversified by colonizing drastically different environments, with each transition yielding numerous molecular changes, including losses of protein function. Though not initially deleterious, these losses could subsequently carry deleterious pleiotropic consequences. We have used phylogenetic methods to identify convergent functional losses across independent marine mammal lineages. In one extreme case, Paraoxonase 1 (PON1) accrued lesions in all marine lineages, while remaining intact in all terrestrial mammals. These lesions coincide with PON1 enzymatic activity loss in marine species’ blood plasma. This convergent loss is likely explained by parallel shifts in marine ancestors’ lipid metabolism and/or bloodstream oxidative environment affecting PON1’s role …
Internal Parasites Of The Two Subspecies Of The West Indian Manatee Trichechus Manatus, Heidi Wyrosdick, Alycia Chapman, Antonio A. Mignucci-Giannoni, Carla I. Rivera-Pérez, Robert K. Bonde
Internal Parasites Of The Two Subspecies Of The West Indian Manatee Trichechus Manatus, Heidi Wyrosdick, Alycia Chapman, Antonio A. Mignucci-Giannoni, Carla I. Rivera-Pérez, Robert K. Bonde
United States Geological Survey: Staff Publications
The West Indian manatee Trichechus manatus is divided into 2 subspecies: the Antillean (T. m. manatus) and Florida (T. m. latirostris) manatees. This study reports sample prevalence of manatee parasites from populations of these 2 subspecies in different geographical locations. Although necropsy is a valuable diagnostic tool for parasite infections, the need for antemortem diagnostic techniques is important. Fecal samples collected during necropsies of Antillean manatees (n = 3) in Puerto Rico and Florida manatees (n = 10) in Crystal River, Florida, as well as from live-captured Florida manatees (n = 11) were evaluated using centrifugal …
Neonatal Lactocrine Deficiency Affects The Adult Porcine Endometrial Transcriptome At Pregnancy Day 13, Ashley F. George, Teh-Yuan Ho, Nripesh Prasad, Brittney N. Keel, Jeremy R. Miles, Jeffrey L. Vallet, Frank F. Bartol, Carol A. Bagnell
Neonatal Lactocrine Deficiency Affects The Adult Porcine Endometrial Transcriptome At Pregnancy Day 13, Ashley F. George, Teh-Yuan Ho, Nripesh Prasad, Brittney N. Keel, Jeremy R. Miles, Jeffrey L. Vallet, Frank F. Bartol, Carol A. Bagnell
Roman L. Hruska U.S. Meat Animal Research Center: Reports
Reproductive performance of female pigs that do not receive sufficient colostrum from birth is permanently impaired. Whether lactocrine deficiency, reflected by low serum immunoglobulin immunocrit (iCrit), affects patterns of endometrial gene expression during the periattachment period of early pregnancy is unknown. Here, objectives were to determine effects of low iCrit at birth on the adult endometrial transcriptome on pregnancy day (PxD) 13. On the first day of postnatal life, gilts were assigned to high or low iCrit groups. Adult high (n = 8) and low (n = 7) iCrit gilts were bred (PxD 0), and humanely slaughtered on PxD 13 …
Serum Proteins In Healthy And Diseased Florida Manatees (Trichechus Manatus Latirostris), J.W. Harvey, K.E. Harr, D. Murphy, M.T. Walsh, M. De Wit, R.K. Bonde
Serum Proteins In Healthy And Diseased Florida Manatees (Trichechus Manatus Latirostris), J.W. Harvey, K.E. Harr, D. Murphy, M.T. Walsh, M. De Wit, R.K. Bonde
United States Geological Survey: Staff Publications
A major goal of this study was to determine whether serum protein fractions of healthy Florida manatees differ with age, sex, or living environments (wild versus housed). A second goal was to determine which serum protein fractions vary in diseased versus healthy manatees. Serum protein fractions were determined using agarose gel electrophoresis. Healthy adults had slightly higher total serum protein and total globulin concentrations than younger animals. This largely resulted from an increase in gamma globulins with age. Total serum protein, albumin, alpha-1 globulin, beta globulin, and total globulin concentrations were slightly higher in housed manatees compared to wild manatees, …
Crop Pests And Predators Exhibit Inconsistent Responses To Surrounding Landscape Composition, Daniel S. Karp, Julie A. Peterson, 155 Other Co-Authors
Crop Pests And Predators Exhibit Inconsistent Responses To Surrounding Landscape Composition, Daniel S. Karp, Julie A. Peterson, 155 Other Co-Authors
Faculty Publications: Department of Entomology
The idea that noncrop habitat enhances pest control and represents a win–win opportunity to conserve biodiversity and bolster yields has emerged as an agroecological paradigm. However, while noncrop habitat in landscapes surrounding farms sometimes benefits pest predators, natural enemy responses remain heterogeneous across studies and effects on pests are inconclusive. The observed heterogeneity in species responses to noncrop habitat may be biological in origin or could result from variation in how habitat and biocontrol are measured. Here, we use a pest-control database encompassing 132 studies and 6,759 sites worldwide to model natural enemy and pest abundances, predation rates, and crop …
Establishing Hematology And Serum Chemistry Reference Intervals For Wild Hawaiian Monk Seals (Neomonachus Schauinslandi), Angela C. Kaufman, Stacie J. Robinson, Dori L. Borjesson, Michelle Barbieri, Charles L. Littnan
Establishing Hematology And Serum Chemistry Reference Intervals For Wild Hawaiian Monk Seals (Neomonachus Schauinslandi), Angela C. Kaufman, Stacie J. Robinson, Dori L. Borjesson, Michelle Barbieri, Charles L. Littnan
United States Department of Commerce: Staff Publications
Hematology and serum chemistry reference intervals have been previously established for the endangered Hawaiian monk seal (Neomonachus schauinslandi) as an imperative measure for health assessments. Monitoring the health of the wild population depends upon reference intervals that are context specific; hence we developed reference intervals from fresh samples, as opposed to frozen, from wild monk seals. This study builds on the number of parameters from previous efforts by using samples collected between 2004 and 2015 from wild monk seals. Blood samples were analyzed by a single veterinary diagnostic laboratory within 24 hr of collection from apparently healthy, wild …
Nebline, August 2018
NEBLINE Newsletter Archive from Nebraska Extension in Lancaster County
Feature: Nutrition Education Kits developed by Extension help LPS students learn about nutrition and physical activity
Food & Health
Farm & Acreage
Pests & Wildlife
Horticulture
Early Childhood
4-H & Youth
and other extension news and events
Special pullout section: Lancaster County Super Fair 2018 Schedule & Map
Acute Exposure Of Primary Rat Soleus Muscle To Zilpaterol Hcl (Β2 Adrenergic Agonist), Tnfα, Or Il-6 In Culture Increases Glucose Oxidation Rates Independent Of The Impact On Insulin Signaling Or Glucose Uptake, Caitlin N. Cadaret, Kristin A. Beede, Hannah E. Riley, Dustin T. Yates
Acute Exposure Of Primary Rat Soleus Muscle To Zilpaterol Hcl (Β2 Adrenergic Agonist), Tnfα, Or Il-6 In Culture Increases Glucose Oxidation Rates Independent Of The Impact On Insulin Signaling Or Glucose Uptake, Caitlin N. Cadaret, Kristin A. Beede, Hannah E. Riley, Dustin T. Yates
Department of Animal Science: Faculty Publications
Recent studies show that adrenergic agonists and inflammatory cytokines can stimulate skeletal muscle glucose uptake, but it is unclear if glucose oxidation is similarly increased. Thus, the objective of this study was to determine the effects of ractopamine HCl (β1 agonist), zilpaterol HCl (β2 agonist), TNFα, and IL-6 on glucose uptake and oxidation rates in unstimulated and insulin-stimulated soleus muscle strips from adult Sprague-Dawley rats. Effects on phosphorylation of Akt (phospho-Akt), p38 MAPK (phospho-p38), and p44/42 MAPK (phospho-p44/42) was also determined. Incubation with insulin increased (P < 0.05) glucose uptake by ~47%, glucose oxidation by ~32%, and phospho-Akt by ~238%. Insulin also increased (P < 0.05) phospho-p38, but only after 2 hours in incubation. Muscle incubated with β2 agonist alone exhibited ~20% less (P < 0.05) glucose uptake but ~32% greater (P < 0.05) glucose oxidation than unstimulated muscle. Moreover, co-incubation with insulin + β2 agonist increased (P < 0.05) glucose oxidation and phospho-Akt compared to insulin alone. Conversely, β1 agonist did not appear to affect basal or insulin-stimulated glucose metabolism, and neither β agonist affected phospho-p44/42. TNFα and IL-6 increased (P < 0.05) glucose oxidation by ~23% and ~33%, respectively, in the absence of insulin. This coincided with increased (P < 0.05) phospho-p38 and phospho-p44/42 but not phospho-Akt. Furthermore, co-incubation of muscle with insulin + either cytokine yielded glucose oxidation rates that were similar to insulin alone, despite lower (P < 0.05) phospho-Akt. Importantly, cytokine-mediated increases in glucose oxidation rates were not concomitant with greater glucose uptake. These results show that acute β2 adrenergic stimulation, but not β1 stimulation, directly increases fractional glucose oxidation in the absence of insulin and synergistically increases glucose oxidation when combined with insulin. The cytokines, TNFα and IL-6, likewise directly increased glucose oxidation in the absence of insulin, but were not additive in combination with insulin and in fact appeared to disrupt Akt-mediated insulin signaling. Rather, cytokines appear to be acting through MAPKs to elicit effects on glucose oxidation. Regardless, stimulation of glucose oxidation by these key stress factors did not rely upon greater glucose uptake, which may promote metabolic efficiency during acute stress by increasing fractional glucose oxidation without increasing total glucose consumption by muscle.
Thermal Inactivation Kinetics Of Salmonella Enterica And Enterococcus Faecium In Ground Black Pepper, Sabrina Vasquez
Thermal Inactivation Kinetics Of Salmonella Enterica And Enterococcus Faecium In Ground Black Pepper, Sabrina Vasquez
Department of Food Science and Technology: Dissertations, Theses, and Student Research
Food safety concerns of low-awfoods have boosted, given the increased number of foodborne illnesses related to these products. Black pepper, among other spices, has been implicated in several outbreaks and recalls in recent years.Salmonella entericahas been identified as the causing agent of outbreaks of contaminated spices. Therefore, increased efforts should be conducted to ensure food safety of spices, including black pepper. Food Safety Modernization Act (FSMA) demands all food processing facilities to conduct proper validations of the decontamination technologies applied to food products. Complete thermal process validations require a deep understanding of the thermal inactivation kinetics …
Evaluation Of Growth Promoting Implant Strategies And Days On Feed On Finishing Heifer Performance And Evaluation Of Optimal Reimplant Times For Finishing Heifers And Steers, Caitlin A. Ohnoutka
Evaluation Of Growth Promoting Implant Strategies And Days On Feed On Finishing Heifer Performance And Evaluation Of Optimal Reimplant Times For Finishing Heifers And Steers, Caitlin A. Ohnoutka
Department of Animal Science: Dissertations, Theses, and Student Research
Two experiments evaluated the effects of delayed, long-acting coated implants or uncoated implants to non-implanted heifers fed for constant or varying days on feed. In Exp. 1, heifers were implanted with either Revalor-XH on d 1, Revalor-200 on d 1, Revalor-XR on d 1, or Revalor-200 on d 70 compared to non-implanted control heifers when fed for an average of 198 d. In Exp. 2, heifers were implanted with Revalor-200 on d 1 and reimplanted with Revalor-200 on d 100, Revalor-XH on d 1, or not implanted and fed for different days on feed: 151, 165, 179, or 193. Implanting …
Effect Of Corn Silage Harvest, Hybrid, And Concentration On Performance In Growing And Finishing Beef Cattle, Fred H. Hilscher Jr.
Effect Of Corn Silage Harvest, Hybrid, And Concentration On Performance In Growing And Finishing Beef Cattle, Fred H. Hilscher Jr.
Department of Animal Science: Dissertations, Theses, and Student Research
Six studies were conducted to evaluate effects of corn silage harvest, hybrid, and concentration in growing and finishing diets. Experiment 1, evaluated corn silage DM (37 or 43%) and replacing corn grain with silage (15 or 45% of diet DM) in finishing diets. Experiment 2, evaluated corn silage DM (37 or 43%) and response to rumen undegradable protein (RUP) supplementation in growing diets. Experiment 3, evaluated nutrient digestibility of 37 or 43% DM corn silage at two different intakes. Experiment 4, 5, and 6 evaluated three corn silage hybrids: a standard hybrid control (CON), a brown midrib (bm3) …
How Do Entomologists Use Insects To Determine Pmi, Johnnie Erskine
How Do Entomologists Use Insects To Determine Pmi, Johnnie Erskine
Department of Entomology: Distance Master of Science Projects
The use of forensic entomology is one of the fastest growing methods used to determine the cause of death by law enforcement personnel. This paperexplores and examines the various insects that are found on dead bodies during different time periods. The purpose of this paper is also to analyze and evaluate how forensic entomology is beneficial when compared to the other methods of forensic science that are used in crime investigations. Goff (2000) states, “anyone involved in death investigations quickly becomes aware of the connection between dead bodies and maggots.” (Goff, 2000). Insects are used to help with the recycling …