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Articles 1 - 30 of 59
Full-Text Articles in Animal Sciences
The Potential For Dickeya Dianthicola To Be Vectored By Two Common Insect Pests Of Potatoes, Jonas K. Insinga
The Potential For Dickeya Dianthicola To Be Vectored By Two Common Insect Pests Of Potatoes, Jonas K. Insinga
Electronic Theses and Dissertations
Dickeya dianthicola (Samson) causing blackleg and soft rot was first detected in potatoes grown in Maine in 2014. Previous work has suggested that insects, particularly aphids, may be able to vector bacteria in this genus between plants, but no conclusive work has been done to confirm this theory. In order to determine whether insect-mediated transmission is likely to occur in potato fields, two model potato pests common in Maine were used: the Colorado potato beetle (Leptinotarsa decimlineata Say) and the green peach aphids (Myzus persicae Sulzer). Olfactometry and recruitment experiments evaluated if either insect discriminates between infected and …
Methods To Evaluate Ruminant Animal Production Responses, Jose Manuel Diaz Gomez
Methods To Evaluate Ruminant Animal Production Responses, Jose Manuel Diaz Gomez
Graduate Theses and Dissertations
In experiment 1, 80 steers (197.0 kg initial body weight; BW for fall, 116.9 kg for spring), were stocked at 2.45 and 4.1 calves/ha in fall and spring, respectively in 16 tall fescue pastures [fall ergovaline (EV) = 1,475 ppb and spring EV = 1,173 ppb] under 2 treatments, mineral (MIN) (n = 8) and cumulative management (CM) (n = 8). Forage allowance did not differ (P = 0.76) between CM and MIN during fall but differed during spring (P ≤ 0.05, 2.55 vs. 3.22 kg DM/kg BW, for MIN and CM, respectively). For fall, average daily gain (ADG) resulted …
Use Of Uav Imagery And Nutrient Analyses For Estimation Of The Spatial And Temporal Contributions Of Cattle Dung To Nutrient Cycling In Grazed Ecosystems, Amanda Shine
Department of Agronomy and Horticulture: Dissertations, Theses, and Student Research
Nutrient inputs from cattle dung are crucial drivers of nutrient cycling processes in grazed ecosystems. These inputs are important both spatially and temporally and are affected by variables such as grazing strategy, water location, and the nutritional profile of forage being grazed. Past research has attempted to map dung deposition patterns in order to more accurately estimate nutrient input, but the large spatial extent of a typical pasture and the tedious nature of identifying and mapping individual dung pats has prohibited the development of a time- and cost-effective methodology. The first objective of this research was to develop and validate …
Forage News [2019-11], Department Of Plant And Soil Sciences, University Of Kentucky
Forage News [2019-11], Department Of Plant And Soil Sciences, University Of Kentucky
Forage News
- Climate Change: Are Livestock a Problem
- Kentucky Alfalfa Conference
- Get the Most from Grazing Cornstalks
- The More You Know, the Smarter You Grow
- Wendell Berry Center hosts First Grazing School
- USDA Hay Markets - October 22, 2019
- Publication of the Month: Using Dry Lots to Conserve Pastures
- Kids these Days...
Green Club After School Program Curriculum, Megan Willburn
Green Club After School Program Curriculum, Megan Willburn
Honors Expanded Learning Clubs
Green Club is an after school program which encourages students to develop environmental empathy, passions for environmental sustainability, and knowledge about the workings of environmental systems.
Forage News [2019-10], Department Of Plant And Soil Sciences, University Of Kentucky
Forage News [2019-10], Department Of Plant And Soil Sciences, University Of Kentucky
Forage News
- Register now for the Heart of America Grazing Conference
- Western KY Grazing Conference
- Pasture Walk with Jim Gerrish
- Harvest Drought Stressed Soybeans for Hay
Forage News [2019-09], Department Of Plant And Soil Sciences, University Of Kentucky
Forage News [2019-09], Department Of Plant And Soil Sciences, University Of Kentucky
Forage News
- Heart of America Grazing Conference
- Register now for Fall Grazing School, Sept. 10-11 in Versailles, KY
- Blue-green Algae: Dangerous to Pets and Livestock
- 12 Habits of Highly Successful Forage Producers
- Cover Crops Following Corn Silage
- Current USDA Hay Market Prices
- Alfalfa Checkoff Funds Two University of Kentucky Projects
- Watch for Fall Army Work in Pastures
Negative Impacts Of The Beef Industry: Lab-Grown Meat, Stephanie Grass
Negative Impacts Of The Beef Industry: Lab-Grown Meat, Stephanie Grass
WRIT: Journal of First-Year Writing
The beef industry is harmful to the environment and human health and alternative solutions must be implemented in order to mitigate the effects of climate change. Water and grain are used in agriculture in abundance despite the negative environmental effects it causes. Cattle are the biggest contributors to greenhouse gas emissions in the sector, also contributing to climate change. Antibiotics are used in large quantities without regard to potential future consequences. One potential solution for this problem is lab-grown beef, which demands very little from the consumer and would take pressure off the environmental issues the beef industry creates. Lab-grown …
Forage News [2019-08], Department Of Plant And Soil Sciences, University Of Kentucky
Forage News [2019-08], Department Of Plant And Soil Sciences, University Of Kentucky
Forage News
- Reclaiming Rundown Farms - Western KY Summer Forage Tour
- Oats for Fall Pasture or Hay
- KFGC Central KY Field Day
- The Birth of a Rotational Grazing System
- Caldwell County Horse Farm to Host Field Day
Technologies To Increase Animal Performance In Beef Production Systems, Caleb P. Weiss
Technologies To Increase Animal Performance In Beef Production Systems, Caleb P. Weiss
Graduate Theses and Dissertations
Three monensin levels during a stocker phase (0, 800, 1600 g/ton in a free choice mineral) and two levels during finishing (0 [U] or 37.5 mg/kg diet DM [M]) were used to determine the effects of monensin supplementation during a stocker and subsequent finishing phase on beef calves. Steers (n = 605, BW = 278 ± 27 kg) were fed pearl millet hay with soybean hull and corn gluten feed supplement (0.5% BW daily [AF basis] Block 1) or grazed fall wheat (Block 2), spring wheat (Block 3), bermudagrass (Blocks 4 & 5) or wheat with mixed-grass baleage (Block 6). …
Rescue And Reestablishment Of Chicken Models For Spontaneously Occurring Hashimoto’S Thyroiditis And Systemic Sclerosis/Scleroderma, Joseph Zolton Hiltz
Rescue And Reestablishment Of Chicken Models For Spontaneously Occurring Hashimoto’S Thyroiditis And Systemic Sclerosis/Scleroderma, Joseph Zolton Hiltz
Graduate Theses and Dissertations
The loss of biodiversity is a topic gaining popularity both in the political and scientific forums. Nearly 30 years ago researchers and politicians congregated in Rio de Janeiro (1992) to attend the first Earth Summit. It was the first meeting of its kind discussing the tangible pressing consequences of biodiversity loss as well as the potential long term ramifications. Many of the countries represented at this summit implemented short and long term plans in order to accurately measure losses of biodiversity as well as establishing organizations to help diagnose and remedy the current problems at hand. These new organizations and …
Volume 15, Number 1 (Spring/Summer 2019), Ut Institute Of Agriculture
Volume 15, Number 1 (Spring/Summer 2019), Ut Institute Of Agriculture
Tennessee Land, Life and Science Magazine
Issue Highlights:
- The four pillars of the Institute of Agriculture
- Alumna forges partnership amid Waldo Canyon fire
- Fishery biologists revive a river
Economic Contribution Of The Agricultural Sector To The Arkansas Economy In 2017, Leah English, Jennie Popp, Wayne Miller
Economic Contribution Of The Agricultural Sector To The Arkansas Economy In 2017, Leah English, Jennie Popp, Wayne Miller
Research Reports and Research Bulletins
Agriculture and associated agricultural activities are major contributors to the Arkansas economy. Agriculture is defined as the sum of agricultural production and processing activities, unless otherwise specified, and includes crop and animal production and processing, agricultural support industries, forestry and forest products, and textile goods. Agriculture contributes to the economy through direct agricultural production and value-added processing, and also leads to economic activity in other parts of the economy. This report is the eleventh in a series of reports examining agriculture’s economic contribution to the Arkansas economy. The total economic contribution of agriculture (direct, indirect, and induced effects) on value …
Growing South Dakota (Summer 2016), College Of Agriculture, Food And Environmental Sciences
Growing South Dakota (Summer 2016), College Of Agriculture, Food And Environmental Sciences
Growing South Dakota (Publication of the College of Agriculture, Food and Environmental Sciences)
[Page] 3 Celebration of Faculty Excellence
[Page] 6 Ag and Biosystems Engineering - Quarter Scale Tractor Team Named Reserve National Champs - Jackrabbit Wrestler Passionate About Sharing the Story of Pork - Mesonet Spray Tool Aids Precision Application Decisions
[Page] 10 Ag Business and Economics -POET Commodity Trading Fund
[Page] 12 Ag Education, Communication and Leadership - Leadership Opportunities Launch Recent Graduate to Career Readiness
[Page] 14 Agronomy, Horticulture & Plant Science - Local Foods Education Center Donates Over 5,000 Pumpkins - Seeding Success - Doug Malo Retires After 43 Years of Teaching - Howard Woodard's 29-Year Career Had a …
Assessing The Stability And Distribution Of A Newly Discovered Endangered Bumble Bee Population In Northeastern Illinois, Barbara Locascio
Assessing The Stability And Distribution Of A Newly Discovered Endangered Bumble Bee Population In Northeastern Illinois, Barbara Locascio
Pence-Boyce STEM Student Scholarship
Many species of bumble bees (Bombus spp.) have been declining in abundance across North America. In the Midwest declines, including that of B. affinis, recently listed as a federally endangered species, are attributed to several factors including habitat loss. Native tallgrass prairies could be ideal areas for Bombus spp. communities to sustain populations, due to native floral resources. However, few studies have been done to determine this. Our objective was to determine the stability and consistency of B. affinis populations at Midewin National Tallgrass Prairie and to investigate whether Goose Lake Prairie, a nearby prairie remnant, …
Forage News [2019-07], Department Of Plant And Soil Sciences, University Of Kentucky
Forage News [2019-07], Department Of Plant And Soil Sciences, University Of Kentucky
Forage News
- Register for Heart of America and Western Kentucky Grazing Conferences today!
- The Clover Dilemma
- Improve Summer Pastures with Crabgrass
- Fall Grazing School Registration Now Open
- Clip Pastures to Reduce the Risk of Ergot
Rare, Threatened And Endangered Species Of Oregon (2019), Jimmy Kagan, Sue Vrilakas, Eleanor P. Gaines, Lindsey K. Wise, Michael Russell, Cayla Sigrah
Rare, Threatened And Endangered Species Of Oregon (2019), Jimmy Kagan, Sue Vrilakas, Eleanor P. Gaines, Lindsey K. Wise, Michael Russell, Cayla Sigrah
Institute for Natural Resources Publications
The Oregon Biodiversity Information Center (ORBIC) is part of the Institute for Natural Resources (INR) located at Portland State University (PSU). ORBIC maintains extensive databases of Oregon biodiversity, concentrating on rare and endangered plants, animals and ecosystems. Since its creation in 1979 as the Oregon Natural Heritage Program, ORBIC has been part of the Natural Heritage network. ORBIC is a constituent member of NatureServe, a non-profit organization with a mission to provide the scientific basis for effective conservation action. NatureServe and Oregon manage data using standards and protocols used across the U.S., Canada, and much of Latin America.
ORBIC has …
Forage News [2019-06], Department Of Plant And Soil Sciences, University Of Kentucky
Forage News [2019-06], Department Of Plant And Soil Sciences, University Of Kentucky
Forage News
- Managing Pastures this Summer
- 2019 Western Kentucky Summer Forage Tour: Resuscitating a Rundown Farm
- The Wonder Grass: The Story of Tall Fescue in the United States now available
- UK Weed Sceicne to Host a Pair of Field Days at UKREC in Princeton
- Grass Decline? Check Your Cutting Height
- We're Producing and Feeding Less Hay
A Revised Land Ethic: Sustainable And Spiritual Agriculture, Brooke Maitlan Parrett
A Revised Land Ethic: Sustainable And Spiritual Agriculture, Brooke Maitlan Parrett
Student Theses 2015-Present
This paper proposes a return to the land and reconnection of spiritual practices through ethical teachings. Such a land ethic would involve answering the woes of industrial agriculture and providing a framework for farmers, consumers, and policymakers based on sustainable and spiritual considerations of the land. I analyze the loss of spiritual literacy and traditional ecological knowledge in the United States and discuss the spiritual history of agriculture in order to analyze contemporary religious perspectives on farming and agricultural ethics and thereby develop my own recommendations. The land ethic I propose combines sustainability and spirituality to develop intrinsic respect for …
Considerations For Nisc’S Future Without Isac, Invasive Species Advisory Committee
Considerations For Nisc’S Future Without Isac, Invasive Species Advisory Committee
National Invasive Species Council
The Invasive Species Advisory Committee (ISAC) was established in 1999 by Executive Order 131121 and furthered by Executive Order 137512 to provide consultation, feedback, information on particular issues, and expert advice generally for consideration by the National Invasive Species Council (NISC). ISAC is composed of distinguished, experienced volunteers from various organizations that are appointed to serve on the Committee by the Secretary of the Interior. Their task is to develop assessments on many aspects of the invasive species issue in the United States and to provide recommendations for the management, control, and response to key invasive species as articulated in …
Forage News [2019-05], Department Of Plant And Soil Sciences, University Of Kentucky
Forage News [2019-05], Department Of Plant And Soil Sciences, University Of Kentucky
Forage News
- Register for 2019 Kentucky Fencing School in Russellville on May 30th
- Things in the Hay Production Book We Missed
- Insure High Quality Forage: Make Baleage
- Optimizing Production from Perennial Cool-Season Hayfields
- UK Equine Farm and Facilities Expo - May 30
- Purdue Extension Hosts Educational Events This Summer - June 21 and 22
- Tariffs, Water Reshuffled the Hay Export Deck
Influence Of Indirect Cues And Vegetation Density On Foraging Behavior In Snowshoe Hares (Lepus Americanus), Zachary Lankist
Influence Of Indirect Cues And Vegetation Density On Foraging Behavior In Snowshoe Hares (Lepus Americanus), Zachary Lankist
Thinking Matters Symposium Archive
Prey avoid chemical cues from predators at feeding sites because the risk of death outweighs the benefit of food. However, we lack information regarding avoidance of chemical cues from competitors as well as how foraging behavior changes alongside vegetative cover. To test if chemical cues and vegetative cover alter prey vigilance, number of visits, and time spent at feeding sites, I observed snowshoe hares (Lepus americanus) in plots containing coyote (Canis latrans; predator) and moose (Alces alces; competitor) urine across a spectrum of vegetation densities. Snowshoe hares significantly reduced the number of visits to feeding plots when coyote or moose …
Forage News [2019-04], Department Of Plant And Soil Sciences, University Of Kentucky
Forage News [2019-04], Department Of Plant And Soil Sciences, University Of Kentucky
Forage News
- Register today for the Kentucky Grazing School
- Fencing School spaces still open in Burkesville and Russellville
- More Stuff Not in the Book
- Simplifying Grain Drill Calibration
- New Mandatory Paraquat Training Requirements for Applicators
- Grass-Fed and -Finished Beef Production & Marketing: an OAK Field Day - May 2, 2019
Regenerative Grazing And The Benefits Of Livestock On Soils In Northern New South Wales, Raymond Mooney
Regenerative Grazing And The Benefits Of Livestock On Soils In Northern New South Wales, Raymond Mooney
Independent Study Project (ISP) Collection
Conventional cattle grazing has received criticism for environmental degradation in the past. Regenerative grazing and the principles of regenerative agriculture show encouraging signs that proper livestock management and planned grazing can reverse degradation and mitigate climate change. An emphasis on soil health and increasing soil carbon and organic matter levels reveals positive feedback for environmental health, the economic security of farmers, and nutritional health of consumers.
In this study I looked to investigate the benefits of regenerative agriculture, reasons why it is being practiced, and the extent it is practiced within the grazing in comparison to traditional methods within Northern …
Eating Some Invasive Species Could Help To Mitigate The Impacts Of Climate Change-Related Invasions, And May Increase Future Food Security, Jesse Bull Saffeir
Eating Some Invasive Species Could Help To Mitigate The Impacts Of Climate Change-Related Invasions, And May Increase Future Food Security, Jesse Bull Saffeir
Independent Study Project (ISP) Collection
Climate change is predicted to increase the spread and abundance of invasive species and to erode global food security. I hypothesized that by incorporating edible invasive species into local food sheds, these two problems could help to mitigate each other. I set out to answer two questions: could eating invasive species reduce their spread and abundance? And could eating invasive species minimize the impacts of climate-change related food shocks? To answer these questions, I surveyed the existing literature on human consumption of invasive species, created a list of criteria that make an invasive species suitable for management through human consumption, …
Trends In Nectar Production And Concentration Of Hummingbird-Pollinated Flowers: An Investigation Of Three Flowers Of The Ecuadorian Cloud Forest: Palicourea Demissa, Mezobromelia Capituligera, And Kohleria Affinis, Grace Palmer
Independent Study Project (ISP) Collection
Nectar concentration and sugar production both impact and are impacted by pollinator activity through a complex system of coevolution. Additionally, a variety of morphological and environmental factors influence the nectar properties of animal-pollinated flowering plants. Nectar concentration and nectar production rate (NPR) of three hummingbird-pollinated plants, Palicourea demissa, Mezobromelia capituligera, and Kohleria affinis, were measured. These flowers occur and were studied in the southern section of the Chocó-Andean subtropical montane rainforest, in the Pichincha province of Ecuador. Flowers were bagged for 24 hours and sampled at approximate two-hour time intervals for 12 or 24 hours. Nectar concentration and sugar production …
Forage News [2019-03], Department Of Plant And Soil Sciences, University Of Kentucky
Forage News [2019-03], Department Of Plant And Soil Sciences, University Of Kentucky
Forage News
- Novel Tall Fecue Workshop - March 20
- Round Bale Binding Materials Evaluated
- Impact of Tedding on Alfalfa Silage
- Spring Grazing School April 23-24
- Spring Fencing School: 3 Dates, 3 Locations
Ecological Response Of Phytoplankton To The Oil Spills In The Oceans, Danling Tang, Jing Sun, Li Zhou, Sufen Wang, Ramesh P. Singh, Gang Pan
Ecological Response Of Phytoplankton To The Oil Spills In The Oceans, Danling Tang, Jing Sun, Li Zhou, Sufen Wang, Ramesh P. Singh, Gang Pan
Mathematics, Physics, and Computer Science Faculty Articles and Research
Oil spills in oceans have substantial influence on marine ecosystems. This study investigates 21 oil spills in the world. Analyzing Chlorophyll-a (Chl-a) from Moderate Resolution Imaging Spectroradiomerer (MODIS) data after Penglai oil spills on 4 June 2011, found a bloom with peak value of Chl-a (13.66 mg m−3) spread over an area of 800 km2 during 18–25 June 2011, and a pronounced increase in the monthly Chl-a concentration (6.40 mg m−3) on June 2012 in the Bohai Sea. Out of the 21 oil spills, 14 blooms were observed, while 11 …
Forage News [2019-02], Department Of Plant And Soil Sciences, University Of Kentucky
Forage News [2019-02], Department Of Plant And Soil Sciences, University Of Kentucky
Forage News
- Anne Bay Wins Second in National Contest
- Looks Like I need that Hay after all
- My Permanent Pastures Aren't
- Converting to Novel Entophyte Tall Fescue
- The Importance of Forage Analysis
- Chewing some Cud on Mud
- Insects in Livestock Feed and Hay
Upcoming Events [2019], Christopher D. Teutsch, Christi L. Forsythe, Rehanon Pampell
Upcoming Events [2019], Christopher D. Teutsch, Christi L. Forsythe, Rehanon Pampell
Forage Symposium at the Kentucky Cattlemen’s Convention
No abstract provided.