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Articles 1 - 30 of 84
Full-Text Articles in Entire DC Network
Hotline Number To Reach And Offer Agricultural Information To Plain Anabaptists During The Covid-19 Workplace Closures, Emily Shoop, Carly Becker, Nathan Glenn Briggs, Danielle Smarsh
Hotline Number To Reach And Offer Agricultural Information To Plain Anabaptists During The Covid-19 Workplace Closures, Emily Shoop, Carly Becker, Nathan Glenn Briggs, Danielle Smarsh
Journal of Amish and Plain Anabaptist Studies
The Penn State Extension Animal Systems Team developed a toll-free hotline phone number to convey short educational messages to maintain contact and outreach to Pennsylvania’s animal producing Amish, Mennonite, and other plain Anabaptist populations. During the COVID-19 pandemic, Penn State Extension’s programming went largely online via webinars, online courses, and emails. This change in programming excluded a large sector of Pennsylvania farmers who do not use or have access to the internet and, as such, were liable to miss important best management practice reviews and timely updates in animal agriculture. The Animal Systems Hotline offered callers the choice to listen …
Evaluating The Effects Of Pine And Miscanthus Biochar On Water Activity And Escherichia Coli Populations In Commercial Broiler Litter, Christopher Austin Marty
Evaluating The Effects Of Pine And Miscanthus Biochar On Water Activity And Escherichia Coli Populations In Commercial Broiler Litter, Christopher Austin Marty
Theses and Dissertations
The decrease in subtherapeutic antibiotic administration in poultry has increased the need to address production challenges caused by pathogens, such as E. coli. One potential way to improve bird health and reduce bacterial infection is through the addition of litter amendments that absorb moisture. Biochar (BC) has previously been shown to increase water holding capacity in poultry litter, but its effects on E. coli mitigation are unknown. The objectives of this research were to 1) evaluate water activity of poultry litter amended with pine and miscanthus BC, and 2) determine the effects of different BC inclusion rates on litter …
Molecular, Somatic, And Performance Characteristics Of Broilers Exhibiting Woody Breast Myopathy, And The Effects Of Dietary And Challenge Intervention Strategies, Linan Jia
Theses and Dissertations
Woody breast (WB) is a meat quality problem that has caused significant economic losses for the poultry industry. Ross × Ross 708 chicks were randomly assigned to a 3 (diet) × 2 (cocci challenge) × 2 (sex) factorial arrangement of treatments. The three diets included the control diet (corn-soybean meal basal diet), antibiotic diet (basal diet + 6.075 mg bacitracin /kg feed), and probiotic diet (basal diet + 2.2 × 108 CFU Bacillus subtilis PB6 /kg feed). Birds in the cocci challenge treatment group received 20 × the live cocci vaccine as an inoculum on d 14. Growth performance and …
Assessing The Potential For Lightning-Induced Damage In Commercial Broiler Houses In Mississippi And Alabama, Matthew R. Rowland
Assessing The Potential For Lightning-Induced Damage In Commercial Broiler Houses In Mississippi And Alabama, Matthew R. Rowland
Theses and Dissertations
Modern broiler houses are expensive to build, maintain, and insure. Protecting them from extreme weather events is a major concern to producers, integrators, and insurance companies. Lightning strikes can cause catastrophic fires and electrical damage and can lead to costly bird losses. A greater understanding of the impact of lightning on the commercial broiler industries of MS and AL is needed. The objectives of this research were collection of baseline resistance data for broiler houses and equipment in both states, and mapping lightning strike densities across MS and AL, evaluating annual, monthly, seasonal, and diurnal patterns. 63.5% of surveyed broiler …
Northern Saw-Whet Owl Autumn Migration In Eastern Nebraska: Results From A Three-Year Banding Study, Stephen J. Brenner, Joel G. Jorgensen
Northern Saw-Whet Owl Autumn Migration In Eastern Nebraska: Results From A Three-Year Banding Study, Stephen J. Brenner, Joel G. Jorgensen
Nebraska Bird Review
Prior to 2019, records of NSWOs in Nebraska during fall were limited. There were fewer than five accepted reports in eastern Nebraska since the 1950s (Silcock and Jorgensen, 2021). The Hitchcock banding station along the Missouri River bluffs in nearby western Iowa has captured, banded, and released 20-50 birds during autumn migration for a number of years (J. Toll, personal communication). Furthermore, a single season banding study in central Nebraska during fall 2004 captured 14 NSWOs (Kim 2005), suggesting the species may migrate annually over much of the state in fall, or at least in more years than previously thought. …
The Nebraska Bird Review, Volume 89 Number 4, December 2021
The Nebraska Bird Review, Volume 89 Number 4, December 2021
Nebraska Bird Review
Fall Field Report, August - November 2021 by W. Ross Silcock
Book Review: Nest Records of Nebraska Birds by Wayne J. Mollhoff Reviewed by W. Ross Silcock
Northern Saw-whet Owl Autumn Migration in Eastern Nebraska: Results from a Three-year Banding Study by Stephen J. Brenner and Joel G. Jorgensen
Mute Swan Observation at Gavins Point Dam Area, Cedar/Knox Co., Nebraska by Caleb Strand and Mark A. Brogie
Book Review: The Sandhill Crane State: A Naturalist's Guide to Nebraska by Paul Johnsgard, Reviewed by Ruth Stearns
Index to Volume 89
Subscription and Organization Information
Mute Swan Observation At Gavins Point Dam Area, Cedar/Knox Co., Nebraska, Caleb Strand, Mark A. Brogie
Mute Swan Observation At Gavins Point Dam Area, Cedar/Knox Co., Nebraska, Caleb Strand, Mark A. Brogie
Nebraska Bird Review
The Nebraska Ornithologists’ Union Records Committee (NOURC) considers Mute Swan (Cygnus olor) to be Accidental in Nebraska (NOURC 2017) with only two accepted records. A review of Mute Swan status in the Midwest and Nebraska, how individual records in Nebraska are evaluated to determine wild provenance, and a review of Nebraska reports can be found in “The Mute Swan in Nebraska: History and Current Status” (Brogie et al. 2016).
The following is an account of the third NOURC accepted record for Mute Swan in Nebraska. On 11 June 2021 we observed two sub-adult Mute Swans on Lake Yankton, Cedar County, …
Review Of Nest Records Of Nebraska Birds By Wayne J. Mollhoff, W. Ross Silcock
Review Of Nest Records Of Nebraska Birds By Wayne J. Mollhoff, W. Ross Silcock
Nebraska Bird Review
This book summarizes a lifetime of investigation of Nebraska’s breeding birds by Wayne Mollhoff. Even though I say the book summarizes a lifetime of investigation, I would not be surprised if Wayne resurfaces in a few years with a follow-up of some sort, intrepid investigator that he is. Over the years Wayne has spent innumerable days in the field climbing trees in full forestry gear, wading and kayaking marshes and rivers, hiking over prairies, and bushwhacking through dense forests (there are still a few in Nebraska). But this isn’t the totality of Wayne’s talents; he is a determined researcher with …
Review Of The Sandhill Crane State: A Naturalist’S Guide To Nebraska By Paul Johnsgard, Ruth Stearns
Review Of The Sandhill Crane State: A Naturalist’S Guide To Nebraska By Paul Johnsgard, Ruth Stearns
Nebraska Bird Review
Dr. Paul Austin Johnsgard left us one last gift, in this reference guide to all places natural in Nebraska. Published posthumously, and available for purchase or free via UNL’s Digital Commons, this book arrived at my doorstep like a veritable “seed catalog” of Nebraska’s places of wonder to delight and inspire fair weather adventures just before the long winter set in. He wants us to explore the state as he had done, to be excited by all the out-ofdoors Nebraska has to offer.
Index To Volume 89
Nebraska Bird Review
Adams, Marie 52
to
Zonotrichia leucophrys gambelii 168 leucophrys 75, 168-169 oriantha 75, 169
Fall Field Report, August-November 2021, W. Ross Silcock
Fall Field Report, August-November 2021, W. Ross Silcock
Nebraska Bird Review
INTRODUCTION Recent years have seen increasing reports of birds lingering quite late, and this fall was no exception. Notable groups exhibiting tardy departures were shorebirds and vireos. Tardy shorebirds were record late Solitary Sandpipers, near-record late Dunlin, and late Long-billed Curlew, Ruddy Turnstone, Least and Semipalmated Sandpipers, Long-billed Dowitcher, and Wilson’s Phalarope. Among the vireos, all regular species were at least tardy; record late was a Red-eyed Vireo, a Warbling Vireo was record late for the Panhandle, and a Blue-headed Vireo was second latest on record. Record late was a Barn Swallow, and a Mountain Bluebird was record late in …
Evaluation Of Two Neonatal Challenge Models For Broiler Chickens And Their Effects On Early Performance Parameters, Callie Selby
Evaluation Of Two Neonatal Challenge Models For Broiler Chickens And Their Effects On Early Performance Parameters, Callie Selby
Graduate Theses and Dissertations
Formaldehyde fumigation in poultry hatch cabinets has been utilized for sanitation of hatching eggs for over a century. Formaldehyde is utilized to minimize pathogenic microbes on the surface of the egg as well as the microbial bloom during the hatching process. While formaldehyde is effective, its use is regulated in the United States and Europe due to its carcinogenic nature. Formaldehyde has been shown to damage the cuticle of the egg, cause embryonic death, and damage the epithelial lining of the respiratory tract of freshly hatched chicks, predisposing them for respiratory infection. Alternatives for formaldehyde fumigation must be identified and …
Evaluation Of Essential Oil Products On Performance, Intestinal Permeability, Bone Mineralization, And Oxidative Stress Parameters On Broiler Chickens Under Heat Stress Conditions, Jared Ruff
Poultry Science Undergraduate Honors Theses
The goal of this study was to show how dietary supplementation of three different formulations of essential oils (EO) affected the performance of broiler chickens during heat stress (HS). Day-of-hatch Cobb 500 chicks (n = 500) were randomly divided into four groups: 1. HS control + control diets; 2. HS + control meals supplemented with 37 ppm EO of Lippia origanoides (LO); 3. HS + control diets supplemented with 45 ppm LO + 45 ppm EO of Rosmarinus officinalis (RO) + 300 ppm red beetroot; 4. HS + 45 ppm LO + 45 ppm RO + 300 ppm natural betaine. …
Genome-Wide Analyses Of Genomic Variation Regulating Differential Stress Responses In Japanese Quail, Steven Anthony Shumaker
Genome-Wide Analyses Of Genomic Variation Regulating Differential Stress Responses In Japanese Quail, Steven Anthony Shumaker
Graduate Theses and Dissertations
As consumer demands for poultry grow, producers work to improve bird productivity in both meat and egg production. This endeavor is multifaceted, as many different factors play a part in influencing the productivity of birds, including environmental conditions, overall health, and genetic potential. One aspect controlled for in all aspects of poultry production optimization is stress management. Mitigation of stress is of primary concern to producers, as improper stress management can have many deleterious effects on chickens. Stress management requires an understanding of poultry stress responses and their physiological mechanisms, which can be more deeply understood through genomic analysis. Chapter …
Divergent Selection For Water Conversion Ratio In Broiler Populations, Joseph Hiltz
Divergent Selection For Water Conversion Ratio In Broiler Populations, Joseph Hiltz
Graduate Theses and Dissertations
Water scarcity is a global reality and with the anticipated population growth, freshwater resources will be further strained to meet both human needs and agriculture applications. To ensure a water sustainable and food secure future, all aspects of agriculture must become more efficient. Two strategies were explored. The potential of improving water efficiency in broilers was examined. The first strategy was to develop a more efficient and accurate method for measuring water consumption/inputs in agriculture. To date, water measuring technology has lacked the necessary sophistication to assure accuracy and repeatability of low flow water usage.
After establishing a low flow …
Efficacy Of Spirulina (Arthrospira Platensis) Utilization In Broiler Diets, Garrett James Mullenix
Efficacy Of Spirulina (Arthrospira Platensis) Utilization In Broiler Diets, Garrett James Mullenix
Graduate Theses and Dissertations
Spirulina (Arthrospira platensis) is a cyanobacteria microalgae that has potential as an animal feed ingredient. Five experiments were conducted to further assess its ability to serve as a protein source in broiler diets. Experiment 1 consisted of an amino acid digestibility and apparent metabolizable energy assay. The results indicated that the standardized ileal amino acid levels of spirulina are comparable with typical soybean meal. Experiment 2 assessed the performance and processing parameters of broilers fed 10% spirulina in low crude protein diets, using published digestibility coefficients. Spirulina inclusion improved footpad quality and increased redness and yellowness of the breast, skin …
Investigation Of Histomoniasis Prevention In Poultry, Lesleigh Beer
Investigation Of Histomoniasis Prevention In Poultry, Lesleigh Beer
Graduate Theses and Dissertations
Histomonas meleagridis is the etiological agent of histomoniasis, also commonly known as blackhead disease. This protozoal disease of poultry is detrimental to turkeys with flock mortalities often reaching 80-100%, although other gallinaceous birds are susceptible. Since the voluntary removal of nitarsone in 2015, the poultry industry is suffering with no approved prophylactics, therapeutics, or vaccines for this disease. The objectives of this dissertation were to evaluate multiple methods for prevention or control of histomoniasis, including dietary chemoprophylaxis and vaccination. Specifically, this research evaluated quinine as a chemoprophylactic candidate (Chapter 3) or live-attenuated H. meleagridis as vaccine candidates (Chapter 4) in …
Reducing Dietary Crude Protein: Characterization Of Branched-Chain Amino Acid Antagonism In Modern Broiler Chickens, Craig William Maynard
Reducing Dietary Crude Protein: Characterization Of Branched-Chain Amino Acid Antagonism In Modern Broiler Chickens, Craig William Maynard
Graduate Theses and Dissertations
Reducing the crude protein content of broiler diets while maintaining performance has been a primary research area in nutrition. During the late 20th century, the bulk of this research has involved supplementing broiler diets with feed-grade amino acids and proving the economic benefits of their additions. To date, widespread adoption of feed-grade amino acids is limited to methionine, lysine, threonine, and to some extent valine. With valine and isoleucine gaining prevalence in commercial formulation, classic data on the antagonisms associated with the branched-chain amino acids has returned to the forefront of practical broiler nutrition research. Therefore, a series of 23 …
Summer Field Report, June-July 2021, W. Ross Silcock
Summer Field Report, June-July 2021, W. Ross Silcock
Nebraska Bird Review
Last summer my opening sentences were: “Overall, this was a fairly routine summer although birders in Nebraska know that ‘routine’ still holds promise of a few happenings out of the ordinary. The summer season primarily examines new breeding records, range expansions, and changes in numbers, up or down.” This summer was also rather routine but had its share of startling events. Foremost among these were only the second colony breeding of American White Pelicans, involving 1200 on nests; two, possibly the same, male Evening Grosbeaks in the southeast; record late by about a month Townsend’s Solitaire; two Lincoln’s Sparrows together …
A Brown-Capped Black-Capped Chickadee (Poecile Atricapillus) In Sarpy County, Nebraska, W. Ross Silcock, Phil Swanson
A Brown-Capped Black-Capped Chickadee (Poecile Atricapillus) In Sarpy County, Nebraska, W. Ross Silcock, Phil Swanson
Nebraska Bird Review
Beginning 31 May 2021, Phil Swanson captured a series of videos and photos of an apparent family group of Black-capped Chickadees (BCCH). Five birds were seen together through 2 June, 2-4 through 6 June, and 2-3 through 9 June, during which all sightings included begging. Thereafter 1-2 birds per day were seen but without interactions between them. One of the family group had a brown cap (Figures 1, 2), and was presumably a juvenile based on its propensity for begging for food and partial replacement of its greater coverts (Pyle 1997). This condition has been described as “rare” (Sibley 2011), …
Black-Throated Gray Warbler In Knox County, Nebraska, Mark A. Brogie
Black-Throated Gray Warbler In Knox County, Nebraska, Mark A. Brogie
Nebraska Bird Review
The Nebraska Ornithologists’ Union Records Committee (NOURC) considers Black-throated Gray Warbler (Setophaga nigrescens) to be Accidental in Nebraska (NOURC 2017). Silcock and Jorgensen (2020) list a total of seven accepted records with only two occurring in fall: an adult male at the Hyannis Cemetery, Grant Co., 01 Sep 2002 (Brogie 2003) and a female at Oliver Reservoir, Kimball Co., 07 Sep 2001 (Silcock 2001). The following documents the third Nebraska fall record for Black-throated Gray Warbler, the third record east of the Nebraska Panhandle, the first for northeast Nebraska, and the only NOURC accepted record (#2338) in the last decade.
Reckless Parenting With A Purpose, Walter H. Piper, Linda Grenzer
Reckless Parenting With A Purpose, Walter H. Piper, Linda Grenzer
Biology, Chemistry, and Environmental Sciences Faculty Articles and Research
No abstract provided.
2020 (32nd) Report Of The Nou Records Committee, Mark A. Brogie
2020 (32nd) Report Of The Nou Records Committee, Mark A. Brogie
Nebraska Bird Review
ebraska: 2017” (NOURC 2017).
Nebraska State List: The following includes all revisions made by the American Ornithological Society (Chesser et al. 2020) in 2020 including scientific name changes and taxonomic realignment that affect the current published “Official List of the Birds of Nebraska: 2017” (NOURC 2017, wwwNOUbirds.org). This report includes all accounts submitted during the 2020 calendar year covering 29 records with accession numbers 2258 – 2286.
2020 Additions/Deletions to the “Official List of the Birds of Nebraska”: Two new species were added in 2020.: Black Phoebe (Sayornis nigricans) 1. A single bird was photographed (Class 1-P, TL) 26 April …
Diminishing Returns: Results Of Black Rail Surveys In Nebraska, Joel G. Jorgensen, Lauren Greenwalt, Nancy E. Drilling, Caleb Strand, Stephen J. Brenner
Diminishing Returns: Results Of Black Rail Surveys In Nebraska, Joel G. Jorgensen, Lauren Greenwalt, Nancy E. Drilling, Caleb Strand, Stephen J. Brenner
Nebraska Bird Review
The uncertain status of the Black Rail in Nebraska is problematic. Different authors have interpreted existing reports differently resulting in varying conclusions about the species’ status. The exercise of deciphering the limited details of existing reports and litigating their credibility is of little value. The Black Rail is now a threatened species and there is almost no published information on whether it occurs regularly in Nebraska. Furthermore, the species has not been searched for in any consistent form or systematic manner. Without information and understanding about the species’ occurrence, taking actions to benefit and protect this species will undoubtedly be …
The Nebraska Bird Review, Volume 89 September 2021 Number 3
The Nebraska Bird Review, Volume 89 September 2021 Number 3
Nebraska Bird Review
Summer Field Report, June - July 2021 by W. Ross Silcock 106
Diminishing Returns: Results of Black Rail Surveys in Nebraska by Joel G. Jorgensen, Lauren Greenwalt, Nancy E. Drilling, Caleb Strand and Stephen J. Brenner 128
A Brown-capped Black-capped Chickadee (Poecile atricapillus) in Sarpy County, Nebraska by W. Ross Silcock and Phil Swanson 136
2020 (32nd) Report of the NOU Records Committee by Mark A. Brogie 139
Black-throated Gray Warbler in Knox County, Nebraska by Mark A. Brogie 146
Subscription and Organization Information 147
Understanding Corn Variability, Edgar O. Oviedo-Rondón
Understanding Corn Variability, Edgar O. Oviedo-Rondón
Proceedings of the Arkansas Nutrition Conference
Corn is the most common feed ingredient used in poultry nutrition. Maize contributes with up to 65% of the metabolizable energy and 20% of crude protein in poultry diets (Gehring et al., 2013; Dei, 2017). Its average nutritional value is well-known, but it is accepted that the variability in its composition and energy value is a very common issue with great impact on poultry performance and health (Cowieson, 2005; Gehring et al., 2013; Latham et al., 2016; Montanhini-Neto et al., 2017). Corn variability affects growth, feed conversion, flock uniformity, digestibility, AMEn, digesta viscosity, gut microbiota composition, …
Assessing Dietary Branched-Chain Amino Acids To Achieve Linear Programming Goals Through Model Extrapolation And Empirical Research, Craig W. Maynard, Ed E. Gbur, Vinh-Loi Ly, Minh-Duc Le, Thi H. Ngan Le Jr, Justina Caldas, Michael T. Kidd
Assessing Dietary Branched-Chain Amino Acids To Achieve Linear Programming Goals Through Model Extrapolation And Empirical Research, Craig W. Maynard, Ed E. Gbur, Vinh-Loi Ly, Minh-Duc Le, Thi H. Ngan Le Jr, Justina Caldas, Michael T. Kidd
Proceedings of the Arkansas Nutrition Conference
Renewed interest, especially in the United States, has sparked in assessing branched-chain amino acid interactions in practical diets for broilers. Indeed, as L-valine enters formulation bird nitrogen excesses are reduced as diet protein falls to the new first limiting amino acid (e.g., isoleucine, arginine, or tryptophan). For a United States based example, the result is less oilseeds and more gains, which typically result in increased inclusions in corn or corn by-products, coupled with a concomitant increase in dietary leucine. The proceedings outline the foundations of the branched-chain amino acid early research, antagonism studies, and a meta-analysis conducted on publications with …
Sustaining Competitiveness In Times Of Uncertainty And Volatility: A Latin American Perspective, Antonio Kalinowski
Sustaining Competitiveness In Times Of Uncertainty And Volatility: A Latin American Perspective, Antonio Kalinowski
Proceedings of the Arkansas Nutrition Conference
The poultry industry has dominated the dynamic livestock sector in Latin America during the last decades, doubling production in the last 20 years (Williams and Anderson, 2019). In the future, poultry production in the region is expected to grow at almost twice the annual global rate: 2.5% and 4.0%, respectively. The rapid expansion of the industry has been fueled by the growing consumer demand for chicken meat and eggs, given its price competitiveness and culinary preference in most Latin American countries. Per capita chicken consumption is among the highest in the world (on average ca. 30 kg/person/year), and represents above …
Amino Acid Responses In Conventional And Slow Growing Broilers, Alex Corzo, Marcelo Silva
Amino Acid Responses In Conventional And Slow Growing Broilers, Alex Corzo, Marcelo Silva
Proceedings of the Arkansas Nutrition Conference
Conventional and slow-growing broilers are both quite responsive to dietary amino acids. However, when reducing dietary balanced protein (BP), the change in rate of gain on the slower-growing broilers results in a growth curve that is not as steep as it would be if using the current conventional broiler. Amino acid supply and balance, in combination with manipulation of dietary energy density, could enable customers to achieve the desired rate of gain when using slow-growing broilers, depending on the Global Animal Partnership or other certification level the integrator is aiming for.
Heat Damage, Maillard Reactions, And Measurement Of Reactive Lysine In Feed Ingredients And Diets, Maryane S. F. Oliveira, Charmaine D. Espinosa, Hans H. Stein
Heat Damage, Maillard Reactions, And Measurement Of Reactive Lysine In Feed Ingredients And Diets, Maryane S. F. Oliveira, Charmaine D. Espinosa, Hans H. Stein
Proceedings of the Arkansas Nutrition Conference
Feed cost represents 70% of the total cost of poultry and pork production (Patience et al., 2015); therefore, a number of processing techniques have been developed to maximize utilization of nutrients in feed ingredients and diets for optimum animal growth performance. Oilseed meals are commonly exposed to varying degrees of heat to remove solvents used during oil extraction, increase nutrient digestibility, improve storage life, and to reduce anti-nutritional factors (Liener, 1994; Rehman and Shah, 2005; Goebel and Stein, 2011). Heat is also applied in the production of distillers dried grains with solubles (DDGS) from dry grind ethanol facilities …