10th International Livestock Environment Symposium (ILES X), 25-27 September 2018, Omaha, Nebraska USA

  1. Modern sheep barns in cold climate - preference by shorn sheep for different types of slatted flooring
    Authors:   Grete H.M. Jørgensen, Juni R.E. Johanssen, Knut E. Bøe
    Keywords:   Floor materials, Slatted floors, Behavior, Resting, Preference.
    DOI:   10.13031/iles.18-002
    ( Free Abstract )    ( Download PDF )

  2. Sand Bedding for Dairy Cows: Benefits, Cubicles, and Manure Handling
    Authors:   Andrew W Wedel
    Keywords:   Bedding, cow comfort, cubicles, freestalls, sand bedding, sand-laden manure, sand-manure separation.
    DOI:   10.13031/iles.18-003
    ( Free Abstract )    ( Download PDF )

  3. Evaluating a LiDAR sensor and artificial neural network based-model to estimate cattle live weight
    Authors:   Rafael V. Sousa, Rubens A. Tabile, Ricardo Y. Inamasu, Luciane S. Martello
    Keywords:   Predictive model, Weight estimation, 3D scanner, Machine learning, Precision livestock farming.
    DOI:   10.13031/iles.18-004
    ( Free Abstract )    ( Download PDF )

  4. Computational Fluid Dynamics Model for Air Velocity through a Poultry Transport Trailer in a Holding Shed
    Authors:   Christian . L Heymsfield, Yi Liang, Thomas A. Costello
    Keywords:   CFD, Poultry Transportation, Poultry Welfare, Air Velocity
    DOI:   10.13031/iles.18-005
    ( Free Abstract )    ( Download PDF )

  5. Construction and Performance of a Self-Contained, Temperature-Controlled Heat Source to Quantify Thermal Load during Live Haul of Broilers
    Authors:   Kaushik Luthra, Yi Liang, James R Andress, Thomas A Costello, Susan E Watkins
    Keywords:   Broiler transport, Physiological stress, Thermal micro-environment, Thermoneutral zone
    DOI:   10.13031/iles.18-006
    ( Free Abstract )    ( Download PDF )

  6. Control algorithm development and simulation for comparing evaporative pads and sprinklers for grow-finish pigs
    Authors:   Brett C. Ramirez, Steven J. Hoff, Jay D. Harmon
    Keywords:   growth performance, heat stress, swine, temperature, ventilation.
    DOI:   10.13031/iles.18-007
    ( Free Abstract )    ( Download PDF )

  7. Behavioral and Production Responses of W-36 Chicks to Supplementary UVA Light
    Authors:   Kai Liu, Kailao Wang, Tao Fei, Lilong Chai, Hongwei Xin
    Keywords:   Computer vision, Growing performance, Light preference, Poultry lighting, UVA light
    DOI:   10.13031/iles.18-011
    ( Free Abstract )    ( Download PDF )

  8. Particulate Matter Suppression and Heat Stress Relief in a Cage-free Hen House
    Authors:   Lilong Chai, Hongwei Xin, Jofran Oliveira, Yu Wang, Kailao Wang, Yang Zhao
    Keywords:   Egg production; animal welfare; worker health; air quality; cooling.
    DOI:   10.13031/iles.18-012
    ( Free Abstract )    ( Download PDF )

  9. Responses of Laying Hens to Full vs. Partial Litter Access in Aviary Housing
    Authors:   Jofran L Oliveira, Hongwei Xin
    Keywords:   Air quality, animal welfare, floor eggs, food safety, poultry management
    DOI:   10.13031/iles.18-013
    ( Free Abstract )    ( Download PDF )

  10. The Emission of air pollutants in fattening pig houses
    Authors:   Shi hua Pu, Ding biao Long, hua zuo Liu
    Keywords:   fattening homes; ammonia; total suspended particulate; airborne microbial colonies; the emissions law of air pollutant
    DOI:   10.13031/iles.18-016
    ( Free Abstract )    ( Download PDF )

  11. An Image Acquisition System for Studying Behaviors of Sows and Piglets in Farrowing Barns
    Authors:   Suzanne M. Leonard, Hongwei Xin, Tami Brown-Brandl, Brett C. Ramirez
    Keywords:   animal welfare, computer vision, Kinect®, precision livestock farming, swine.
    DOI:   10.13031/iles.18-018
    ( Free Abstract )    ( Download PDF )

  12. Production of recycled manure solids used as bedding for dairy cows in Canada: analysis of solid-liquid separation and composting methods
    Authors:   Sébastien Fournel, Stéphane Godbout, Pierre Ruel, Annie Fortin, Mylène Généreux, Karine Duquette-Lozeau, Valérie Létourneau, Joanie Lemieux, Denis Potvin, Caroline Côté, Caroline Duchaine, Doris Pellerin
    Keywords:   Alternative bedding, Bacterial counts, Cattle slurry, Composted material, Gaseous emissions, Physico-chemical properties, Press, Rotating vessel, Separated manure, Windrow.
    DOI:   10.13031/iles.18-019
    ( Free Abstract )    ( Download PDF )

  13. Analysis of aerodynamic problems of domestic swine houses and development of educational VR simulator
    Authors:   Jun Gyu Kim, Rack woo Kim, In Bok Lee, Prof, Tae Hwan Ha
    Keywords:   CFD, Education, Livestock, Swine house, Virtual Reality
    DOI:   10.13031/iles.18-020
    ( Free Abstract )    ( Download PDF )

  14. A real-time sow behavior analysis system to predict an optimal timing for insemination
    Authors:   Jacquelin Labrecque, Joël Rivest
    Keywords:   Animal behavior, Animal breeding, Behavior, Behavior analysis, Data analysis, Insemination management, Machine learning, Pig behavior, Pig breeding, Pig farming, Precision breeding, Precision livestock farming.
    DOI:   10.13031/iles.18-023
    ( Free Abstract )    ( Download PDF )

  15. A RFID-Based Monitoring System for Characterization of Perching Behaviors of Individual Poultry
    Authors:   Kailao Wang, Kai Liu, Hongwei Xin, Lilong Chai, Yu Wang, Tao Fei, Jofran Oliveira, Jinming Pan, Yibin Ying
    Keywords:   Load cell, Laying hen, Welfare, Precision livestock farming.
    DOI:   10.13031/iles.18-024
    ( Free Abstract )    ( Download PDF )

  16. Determining Environmental Benefits and Economic Costs of Different Manure Handling Strategies in Quebec’s Dairy Production using Farm Simulation
    Authors:   Sébastien Fournel, Édith Charbonneau, Simon Binggeli, Jean-Michel Dion, Doris Pellerin, Martin H. Chantigny, Stéphane Godbout
    Keywords:   Climate change, dairy cow, enclosed manure storage, farm-scale model, greenhouse gas emission, incorporation, manure management, mitigation, net income, nitrogen balance.
    DOI:   10.13031/iles.18-026
    ( Free Abstract )    ( Download PDF )

  17. Function of automatic manure scrapers
    Authors:   Lars Erik Ruud, Øyvind Froknestad
    Keywords:   Automatic manure removal, automatic manure scrapers, manure robots
    DOI:   10.13031/iles.18-029
    ( Free Abstract )    ( Download PDF )

  18. Fan Placement in Horse Stalls
    Authors:   Staci E McGill, Morgan Hayes, Robert Coleman
    Keywords:   Equine, Fans, Stall Environment, Ventilation, Indoor Air Quality.
    DOI:   10.13031/iles.18-031
    ( Free Abstract )    ( Download PDF )

  19. Simulation to improve temperature and airflow patterns in tunnel ventilation systems
    Authors:   Daniella Jorge Moura, Vilmar Rodrigues Sousa, Jr
    Keywords:   CFD, Airflow Pattern, Temperature Distribution
    DOI:   10.13031/iles.18-032
    ( Free Abstract )    ( Download PDF )

  20. Thermal Environment Evaluation of a Novel Positive Pressure Filtered Ventilation System in a Swine Breeding-Gestation Barn
    Authors:   Benjamin C. Smith, Blake J. Fonken, John P. Stinn, Steven J. Hoff, Jay D. Harmon
    Keywords:   Environmental control, positive pressure, swine, thermal environment, ventilation
    DOI:   10.13031/iles.18-033
    ( Free Abstract )    ( Download PDF )

  21. Automatic Identification of Broiler Mortality Using Image Processing Technology
    Authors:   Veera V. R. M. K. R. Muvva, Yang Zhao, Pratik Parajuli, Song Zhang, Tom Tabler, Joseph. Purswell
    Keywords:   Mortality identification, broiler, thermal equilibrium, image processing, body temperature
    DOI:   10.13031/iles.18-034
    ( Free Abstract )    ( Download PDF )

  22. Effects of sustained cold and heat stress on energy intake, growth and mitochondrial function of broiler chickens
    Authors:   Shuai Shao Zhang, Guang Hong Su, Ying Zhou, Mei Xiu Li, Hong Min Zhang, Dr, Hai Jing Feng, Dr
    Keywords:   Broiler chicken, Cytochrome c oxidase, Energy intake, Metabolizability, Cold stress, Heat stress.
    DOI:   10.13031/iles.18-035
    ( Free Abstract )    ( Download PDF )

  23. Herd-level production impacts of evaporative cooling of dairy cows on milk production in Slovakian lowlands
    Authors:   Jan Broucek, Stefan Ryba, Marta Dianova, Michael Uhrincat, Miloslav Soch, Anton Hanus, Lubos Zabransky
    Keywords:   Cooling, cows, environment, heat stress, milk.
    DOI:   10.13031/iles.18-039
    ( Free Abstract )    ( Download PDF )

  24. Effect of water delivery manner on dairy calf performance
    Authors:   Jan Broucek, Michael Uhrincat, Anton Hanus, Miloslav Soch, Peter Tongel, Lubos Zabransky
    Keywords:   Calf, drinking water, growth, health, environment.
    DOI:   10.13031/iles.18-040
    ( Free Abstract )    ( Download PDF )

  25. Development and Validation of a Low-Frequency RFID System for Monitoring Grow-Finish Pig Feeding and Drinking Behavior
    Authors:   T. M. Brown-Brandl, F. Adrion, E. Gallmann, R. Eigenberg
    Keywords:   Drinking behavior, feeding behavior, RFID, swine, validation.
    DOI:   10.13031/iles.18-041
    ( Free Abstract )    ( Download PDF )

  26. Identifying anomalous decreases in feeding time of grow-finish pigs
    Authors:   F. Adrion, T. M. Brown-Brandl, D. Jones, E. Gallmann
    Keywords:   Feeding behavior, growing-finishing pigs, illness detection, linear model, z-score.
    DOI:   10.13031/iles.18-042
    ( Free Abstract )    ( Download PDF )

  27. Using an artificial neural network to predict pig mass from depth images
    Authors:   Isabella C. F. S. Condotta, Tami M. Brown-Brandl, Rafael V. Sousa, Késia O. Silva-Miranda
    Keywords:   Image analysis, Kinect® sensor, Precision livestock farming, Swine, Mass prediction.
    DOI:   10.13031/iles.18-043
    ( Free Abstract )    ( Download PDF )

  28. Temporal variability of illuminance in commercial broiler houses
    Authors:   Joseph L. Purswell, John E. Linhoss
    Keywords:   Environmental control, lighting programs, poultry housing, production efficiency, ventilation
    DOI:   10.13031/iles.18-046
    ( Free Abstract )    ( Download PDF )

  29. Improving Air Quality in Swine Buildings by Using a Combination of Technologies - Pilot-Scale Tests
    Authors:   Ariane Lévesque, Matthieu Girard, Valérie Létourneau, Caroline Duchaine, Stéphane Godbout, Stéphane P. Lemay
    Keywords:   Ammonia, Bioaerosols, Contaminant Reduction Technologies, Dust, Odors, Swine Industry.
    DOI:   10.13031/iles.18-048
    ( Free Abstract )    ( Download PDF )

  30. Radio-frequency Identification (RFID) System for Monitoring Specific Behaviors of Group Housed Broilers
    Authors:   Guoming Li, Yang Zhao, Rhet Hailey, Nan Zhang, Yuanji Liang, Joseph L. Purswell
    Keywords:   Broiler, Feeding behaviors, Drinking behaviors, UHF-RFID system
    DOI:   10.13031/iles.18-051
    ( Free Abstract )    ( Download PDF )

  31. Ammonia and Size Fractioned Particulate Matter Emission Factors for a Cage-Free Layer Facility in Canada
    Authors:   Jaime E Anderson, Patrick K McGrath, Hanna A Ivankovic, Bill J Van Heyst
    Keywords:   Ammonia, cage-free, emission factor, layer, particulate matter
    DOI:   10.13031/iles.18-052
    ( Free Abstract )    ( Download PDF )

  32. Survey and future prospects in precision dairy farming
    Authors:   Hugo FM Milan, Kristen M Perano, Kifle G Gebremedhin
    Keywords:   Dairy cows, precision livestock farming, machine learning, computer vision.
    DOI:   10.13031/iles.18-053
    ( Free Abstract )    ( Download PDF )

  33. Development of a Rainwater Harvesting Model for Broiler Farms to Estimate On-farm Storage Needs
    Authors:   Carson M. Edge, Jeremiah D. Davis, Joseph L. Purswell, William D. Batchelor, Eugene H. Simpson
    Keywords:   Computer model, poultry water consumption, rainwater harvesting, water harvesting capacity.
    DOI:   10.13031/iles.18-055
    ( Free Abstract )    ( Download PDF )

  34. Identification of differentially expressed genes associated with breast meat yield of broilers in response to atmospheric ammonia using RNA sequencing
    Authors:   Bao Yi, Liang Chen, Ruqing Zhong, Hongfu Zhang
    Keywords:   Ammonia, Breast muscle, Broiler chickens, RNA sequencing
    DOI:   10.13031/iles.18-056
    ( Free Abstract )    ( Download PDF )

  35. Thermal environmental performance of a dairy barn cross-ventilated in warm weather and naturally ventilated in cool weather
    Authors:   K A Janni, J A Salfer, E L Cortus, J Knorr
    Keywords:   Cross-ventilation, Dairy barn temperatures, Dairy ventilation, Natural-ventilation
    DOI:   10.13031/iles.18-057
    ( Free Abstract )    ( Download PDF )

  36. Optimal Placement and Size of the Baffles to Direct Airflow in Mechanically Ventilated Dairy Housing
    Authors:   Bo Zhou, Xiaoshuai Wang, Mario R Mondaca, Christopher Y Choi
    Keywords:   baffle; computational fluid dynamics; dairy barn; mechanically-ventilated; porous medium.
    DOI:   10.13031/iles.18-058
    ( Free Abstract )    ( Download PDF )

  37. Continuous and Wireless Skin Contact and Ear Implant Temperature Measurements and Relations to the Core Body Temperature of Heat Stressed Dairy Cows
    Authors:   Hanwook Chung, Jingjie Li, Younghyun Kim, Dr., Christopher Y Choi, Dr.
    Keywords:   Dairy cow, heat stress, implant, physiological monitoring, skin temperature, telemetry, wearable, wireless
    DOI:   10.13031/iles.18-059
    ( Free Abstract )    ( Download PDF )

  38. Measurement of 3-D surface area of piglets
    Authors:   Hugo FM Milan, Gustavo AM Moura, Patric A Castro, Alex SC Maia, Kifle G Gebremedhin
    Keywords:   3D scan, geometry, piglets, surface area.
    DOI:   10.13031/iles.18-060
    ( Free Abstract )    ( Download PDF )

  39. Impact of Slatted Floor on Ammonia Emissions in Fattening Swine Housing
    Authors:   Joahnn H. Palacios, Stéphane Godbout, Sébastien Turcotte, Marie-Aude Ricard
    Keywords:   Air quality, airflow measurement, cohabitation, gas emission, slatted floor, solid floor
    DOI:   10.13031/iles.18-061
    ( Free Abstract )    ( Download PDF )

  40. Effects of Exposing Eggs to Various Green Light Intensities during Incubation on Hatch Performance, Post-Hatch Grow Performance, Fear and Stress Responses in Layer Chicks
    Authors:   Yue Yu, Zhanming Li, Jinming Pan
    Keywords:   Green light; Hatch performance; Post-hatch grow performance; Fear and stress responses.
    DOI:   10.13031/iles.18-062
    ( Free Abstract )    ( Download PDF )

  41. Improving Air Quality and Effective Cowside Velocity (ECV) inside Modern Dairy Facilities
    Authors:   Michael J Wolf, John McBride
    Keywords:   Air quality, effective cowside velocity (ECV), heat stress, cooling
    DOI:   10.13031/iles.18-063
    ( Free Abstract )    ( Download PDF )

  42. Numerical Modelling of Negative Air Ionization for Removing Viral Bioaerosols in an Enclosed Space
    Authors:   Desmond Essien, Qiang Zhang, David Levin, Kevin Coombs
    Keywords:   . Bioaerosol, air ionization, reovirus
    DOI:   10.13031/iles.18-065
    ( Free Abstract )    ( Download PDF )

  43. Assessment of housing environment and its impact on dairy behavior and milk production in Northeastern China
    Authors:   Yujian Lu, Chaoyuan Wang, Haoxiang Zhao, Li Dong, Zhengxiang Shi, Baoming Li
    Keywords:   Behavior pattern, Building envelope, Heat stress, Milk yield, Ventilation
    DOI:   10.13031/iles.18-067
    ( Free Abstract )    ( Download PDF )

  44. Activity analysis to detect lameness in pigs with a UHF-RFID system
    Authors:   Anita Kapun, Felix Adrion, Eva Gallmann
    Keywords:   Behavior, fattening pigs, lameness, monitoring, UHF RFID
    DOI:   10.13031/iles.18-068
    ( Free Abstract )    ( Download PDF )

  45. Application of an Automated Early-Warning Leak Detector for Earthen Wastewater Holding Structures Using Non-invasive Geophysical Instrumentation
    Authors:   Bryan L. Woodbury, Roger Eigenberg
    Keywords:   Contaminant, Electrical conductivity, Groundwater, Manure management, Monitoring, Wastewater.
    DOI:   10.13031/iles.18-069
    ( Free Abstract )    ( Download PDF )

  46. Effectiveness of Negative Air Ionization in Removing Airborne Porcine Reproductive and Respiratory Syndrome Virus (PRRSV)
    Authors:   Amy La, Qiang Zhang, David Levin, Kevin Coombs
    Keywords:   Swine, Air quality, Airborne disease transmission, Air ionization
    DOI:   10.13031/iles.18-070
    ( Free Abstract )    ( Download PDF )

  47. Improving Air Quality for Animals and Humans with Renewable Energy and Nutrient Conservation
    Authors:   John A George, Richard P Mattocks, Mark Moser, John Paul Smith, Rick Thomas
    Keywords:   air quality, ammonia, anaerobic digestion, animal housing, animal welfare, carbon footprint, covered lagoon digesters, emissions, foam, hydrogen sulfide, manure storage, methane explosion, sustainability.
    DOI:   10.13031/iles.18-071
    ( Free Abstract )    ( Download PDF )

  48. Effect of Slatted Floor Configuration on Air Quality and Floor Cleanliness in a Sow Barn
    Authors:   Xiaojie Yan, Qiang Zhang, Laurie Connor
    Keywords:   Ammonia, Gestation sows, Manure, Slatted floor.
    DOI:   10.13031/iles.18-072
    ( Free Abstract )    ( Download PDF )

  49. Application of an early warning to detect enteropathies in intensive broiler farming
    Authors:   Emanuela Tullo, Federica Borgonovo, Guido Grilli, Alessandra Micheletti, Giacomo Aletti, Susanna Lolli, Valentina Ferrante, Marcella Guarino
    Keywords:   early warning system, health problem, intensive farming, PLF, poultry farming, volatile organic compounds
    DOI:   10.13031/iles.18-073
    ( Free Abstract )    ( Download PDF )

  50. High ambient temperature impacts semen quality in boars and potential molecular drug-targets and nutritional strategies for amelioration
    Authors:   Yansen Li, Zhaojian Li, Jiaqin Chen, Chunmei Li
    Keywords:   Boar; Heat stress; L-arginine; Nrf2; Semen quality
    DOI:   10.13031/iles.18-077
    ( Free Abstract )    ( Download PDF )

  51. Use of Aluminum Sulfate (Alum) to Reduce Ammonia Emissions from Cattle Bedded Manure Packs
    Authors:   Mindy J Spiehs
    Keywords:   Ammonia, Bedded barns, Beef, Carbon dioxide, Hydrogen sulfide, Methane, Nitrous oxide.
    DOI:   10.13031/iles.18-078
    ( Free Abstract )    ( Download PDF )

  52. Performance evaluation of high-efficiency fan shades in reduction of light leakage and spatial variation of illuminance in commercial broiler houses
    Authors:   John E Linhoss, Joseph L Purswell, John W. Lowe, Gary D Chesser, Jr.
    Keywords:   fan shades, light leakage, poultry lighting, spatial variation.
    DOI:   10.13031/iles.18-079
    ( Free Abstract )    ( Download PDF )

  53. Distribution of Particulate Matter in Poultry Layer Houses and In Vitro PM2.5-induced Damage on Human Alveolar Epithelial Cells
    Authors:   Dan Shen, Pengyuan Dai, Yansen Li, Chunmei Li
    Keywords:   A549 cell, cytotoxicity, inflammatory response, layer house, particulate matter.
    DOI:   10.13031/iles.18-081
    ( Free Abstract )    ( Download PDF )

  54. Comparison of Airborne Particulate Matter and Ammonia Concentrations from Nursery and Fattening Stables in Large Semi-Enclosed Swine House
    Authors:   Zhaojian Li, None, Sheng Wu, None, Dan Shen, None
    Keywords:   Ammonia; Particulate Matter, Swine House
    DOI:   10.13031/iles.18-082
    ( Free Abstract )    ( Download PDF )

  55. Egg laying pattern of hens in a modified aviary system
    Authors:   Xuanyang Li, Liu Yang, Xiaocui Wang, Zhengxiang Shi, Baoming Li, Qin Tong
    Keywords:   Aviary system, animal welfare, egg laying, light intensity, nest preference
    DOI:   10.13031/iles.18-086
    ( Free Abstract )    ( Download PDF )

  56. Air quality at low outdoor temperatures in Norwegian horse stables
    Authors:   Knut E. Bøe, Guro Dragsund, Grete H.J. Jørgensen, Eileen Fabian-Wheeler
    Keywords:   Air quality, horse stables, ventilation
    DOI:   10.13031/iles.18-087
    ( Free Abstract )    ( Download PDF )

  57. Space allowance and flooring in pregnant ewes
    Authors:   Knut Egil Bøe, Stine Grønmo Kischel
    Keywords:   Behavior, ewes, slatted flooring, space allowance, straw bedding.
    DOI:   10.13031/iles.18-089
    ( Free Abstract )    ( Download PDF )

  58. The influence of microclimate on the development of foot pad dermatitis in broilers
    Authors:   Emanuela Tullo, Giacomo Aletti, Alessandra Micheletti, Giovanni Naldi, Alberto Peña Fernandez, Erik Vranken, Daniel Berckmans, Marcella Guarino
    Keywords:   early warning system, health problem, intensive farming, PLF, poultry farming, foot pad dermatitis
    DOI:   10.13031/iles.18-090
    ( Free Abstract )    ( Download PDF )

  59. Concentrations and Distributions of Airborne Bacteria in a Growing Swine Building in China
    Authors:   Xiuping Tao, Bin Shang, Hongmin Dong, Yongxing Chen
    Keywords:   Bioaerosol, emission, microorganism, swine barn.
    DOI:   10.13031/iles.18-091
    ( Free Abstract )    ( Download PDF )

  60. Enteric and Simulated Pen Surface Emissions of Nitrous Oxide from Beef Cattle Feedyards
    Authors:   David B Parker, Kenneth D Casey, Heidi M Waldrip, Jenny Jennings, Kristin Hales, Richard Todd
    Keywords:   Air quality, animal feeding, beef cattle, emissions, feedlot, feedyard, global warming, greenhouse gas
    DOI:   10.13031/iles.18-093
    ( Free Abstract )    ( Download PDF )

  61. Spatial variation of PM concentration and particle size distribution of a perchery system with large cage aviary unit for laying hens
    Authors:   Zongyang Li, Chaoyuan Wang, Baoming Li, Zhengxiang Shi, Weichao Zheng, Guanghui Teng
    Keywords:   Concentration, Particle size distribution, Particulate matter, Perchery system, TSP.
    DOI:   10.13031/iles.18-094
    ( Free Abstract )    ( Download PDF )

  62. Farrowing pen design and pen floor cleanliness
    Authors:   Knut E. Bøe, Evelyn J.S, Hall, Greg M. Cronin
    Keywords:   Farrowing pen design, pen cleanliness
    DOI:   10.13031/iles.18-097
    ( Free Abstract )    ( Download PDF )

  63. Impact of Shade on Performance, Body Temperature, and Heat Stress of Finishing Cattle in Eastern Nebraska
    Authors:   Brett A Melton, Thomas M Winders, Bradley M Boyd, Casey N Macken, Andrea K Watson, James C MacDonald, Galen E Erickson
    Keywords:   Beef cattle, Biometric sensing, Feedyard, Heat stress, Shade
    DOI:   10.13031/iles.18-098
    ( Free Abstract )    ( Download PDF )

  64. Enteric methane emissions of beef cows grazing tallgrass prairie pasture on the southern Great Plains
    Authors:   Richard W. Todd, Corey Moffet, James P.S. Neel, Kenneth E. Turner, Jean L. Steiner, N. Andy Cole
    Keywords:   beef cows, enteric methane, grazing, tallgrass prairie.
    DOI:   10.13031/iles.18-102
    ( Free Abstract )    ( Download PDF )

  65. Floor cleanliness in dairy freestall barns
    Authors:   Geir Næss, Knut Egil Bøe, Lars Erik Ruud
    Keywords:   Alley flooring, Bacterial count, Cleanliness, Dairy cows
    DOI:   10.13031/iles.18-103
    ( Free Abstract )    ( Download PDF )

  66. USDA-NRCS Opportunities for Assisting Producers in Addressing Air Emissions
    Authors:   Gregory W. Zwicke, Gregory L. Johnson
    Keywords:   Air, air quality, ammonia, conservation, dust, emissions, gases, odors, particulate matter, PM, USDA.
    DOI:   10.13031/iles.18-104
    ( Free Abstract )    ( Download PDF )

  67. Behavioral responses of laying hens to atmospheric ammonia in an environmental preference chamber
    Authors:   Christina M Tucker, Angela R Green-Miller, Richard S Gates, San Myint, Janeen Salak-Johnson
    DOI:   10.13031/iles.18-106
    ( Free Abstract )    ( Download PDF )

  68. Validation of radio frequency identification with a current transducer to quantify the use of an automatic grooming brush in pre-weaned dairy calves.
    Authors:   Morgan L Falk, Melissa C Cantor, Joao Costa, Morgan Hayes, Joshua Jackson
    Keywords:   transducer, calves, grooming brush, radiofrequency identification, precision technology
    DOI:   10.13031/iles.18-107
    ( Free Abstract )    ( Download PDF )

  69. Emissions of Hydrogen Sulfide from the Pen Area of a Beef Cattle Feedyard in the Texas High Plains
    Authors:   Kenneth D Casey, Richard W Todd, Marty B Rhoades, David B Parker
    Keywords:   air quality, animal feeding, beef cattle, emissions, feedlot, feedyard, hydrogen sulfide.
    DOI:   10.13031/iles.18-108
    ( Free Abstract )    ( Download PDF )

  70. Air conditioning for naturally ventilated dairy barns
    Authors:   Joseph M Zulovich, Ryan K. Milhollin, Joe L. Horner, Joseph P. Harner, Teng Teeh Lim
    Keywords:   Heat abatement, economic feasibility
    DOI:   10.13031/iles.18-109
    ( Free Abstract )    ( Download PDF )

  71. Air conditioning for mechanically ventilated LPCV dairy barns
    Authors:   Joseph M Zulovich, Ryan K. Milhollin, Joe L. Horner, Joseph P. Harner, Teng Teeh Lim
    Keywords:   Economic feasibility, heat abatement
    DOI:   10.13031/iles.18-110
    ( Free Abstract )    ( Download PDF )

  72. Robotic Rotary Parlor Systems for Dairy Operations
    Authors:   Joseph M Zulovich, Ryan K. Milhollin, Joseph P. Harner, Joe L. Horner
    Keywords:   Economic feasibility, dairy equipment, milking robots
    DOI:   10.13031/iles.18-111
    ( Free Abstract )    ( Download PDF )

  73. Automated Milking Systems for Dairy Operations
    Authors:   Joseph M Zulovich, Ryan K. Milhollin, Joseph P. Harner, Joe L. Horner
    Keywords:   Economic feasibility, dairy equipment, milking robots
    DOI:   10.13031/iles.18-112
    ( Free Abstract )    ( Download PDF )

  74. Effect of Ferric Sulfate Application on Clostridium spp in Poultry Litter
    Authors:   Hong Li, Amy Biddle
    Keywords:   Poultry, litter, acid, clostridia, ammonia
    DOI:   10.13031/iles.18-114
    ( Free Abstract )    ( Download PDF )

  75. Determination of Activation of Litter Amendment on Ammonia Control for Broiler Litter under Winter Conditions
    Authors:   Hong Li
    Keywords:   Poultry, litter amendment, activation, winter, ammonia
    DOI:   10.13031/iles.18-115
    ( Free Abstract )    ( Download PDF )

  76. Practical test and evaluation of optimized UHF ear tags for behavior monitoring of fattening pigs
    Authors:   Adrian Foerschner, Felix Adrion, Eva Gallmann
    Keywords:   Keywords. ,Ear tag, electronic animal identification, pig, transponder, UHF-RFID.
    DOI:   10.13031/iles.18-116
    ( Free Abstract )    ( Download PDF )

  77. Aerosols and Bacteria Concentration in Different Types of Japanese Dairy Milking Houses
    Authors:   Md. Aminul Islam, Atsuo Ikeguchi, Takanori Naide
    Keywords:   Aerosols, Aerobic bacteria, Air flow, Escherichia coli, Housing types, Staphylococcus aureus.
    DOI:   10.13031/iles.18-117
    ( Free Abstract )    ( Download PDF )

  78. Relationship between aerosol concentration and airborne microbe including porcine sapelovirus concentration in Japanese weaning swine houses
    Authors:   Takanori Naide, Atsuo Ikeguchi, MD Aminul Islam, Ken Katsuda, Kenji Kawashima, Ryoh Nakakubo, Ayako Miyazaki
    Keywords:   Aerosols, Animal housing, Airborne, Bacteria
    DOI:   10.13031/iles.18-118
    ( Free Abstract )    ( Download PDF )

  79. A 3D Computer Vision System for Automatic Detection of Sheep Standing and Lying Behaviour
    Authors:   Keni Ren, Grete H.M. Jørgensen, Inger Hansen, Johannes Karlsson
    Keywords:   Computer vision, Behaviour detection, Depth camera, Infrared camera, Floor material.
    DOI:   10.13031/iles.18-119
    ( Free Abstract )    ( Download PDF )

  80. Estimation of THI index to evaluate thermal stress of animal occupied zone in a broiler house using BES method
    Authors:   Kyeong-seok Kwon, Taehwan Ha, Hee-chul Choi, Jong-bok Kim, Jung-hwan Jeon, Saemee Woo, Ka-young Yang, In-bok Lee
    Keywords:   BES, Broiler house, cooling load, thermal stress, THI
    DOI:   10.13031/iles.18-120
    ( Free Abstract )    ( Download PDF )

  81. Optimal sensor placement for temperature monitoring inside broiler houses
    Authors:   Sang-yeon Lee, Gwan-young Park, In Bok Lee, Prof.
    Keywords:   broiler house, internal environment, monitoring, optimization, sensor placement
    DOI:   10.13031/iles.18-121
    ( Free Abstract )    ( Download PDF )

  82. Annual electrical energy requirements of five cooling strategies for lactating dairy confined housing in the eastern United States
    Authors:   Ted L Funk, Curt A Gooch, Richard R Stowell, Jiangong Li
    Keywords:   Cooling, dairy heat stress, temperature-humidity index.
    DOI:   10.13031/iles.18-125
    ( Free Abstract )    ( Download PDF )

  83. Computational program to evaluate thermal comfort in animal production facilities
    Authors:   Carlos G. S. Teles Junior, Richard S. Gates, Ilda F F Tinoco, Cecilia F Souza, Monique O Vilela
    Keywords:   animal environment ; computational tool; precision livestock farming
    DOI:   10.13031/iles.18-127
    ( Free Abstract )    ( Download PDF )

  84. Neonatal Piglet Core Body Temperature Model from Surface Temperature and Environment Measurements
    Authors:   Yijie Xiong, Richard S Gates, Naomi C Cooper, Michael Ellis
    Keywords:   Pig, pre-weaning, animal welfare, thermal imaging
    DOI:   10.13031/iles.18-128
    ( Free Abstract )    ( Download PDF )

  85. Thermal performance of perforated pen panels for on-farm nutritional test trials
    Authors:   Kelly E Goneke, Jeremiah D Davis, Joseph L Purswell, Gary D Chesser, Carson M Edge, Jesse C Campbell
    Keywords:   Air Velocity, Broiler, Nutritional Test Pen, Convective Heat Transfer, Surface Temperature, Wind Tunnel
    DOI:   10.13031/iles.18-130
    ( Free Abstract )    ( Download PDF )

  86. Real-time monitoring of indoor particulate matter concentration in a commercial broiler house
    Authors:   Alberto Peña Fernández, Theo Demmers, Q. Tong, Ali Youssef, Tomas Norton, Daniel Berckmans
    Keywords:   Activity, dust, poultry, ventilation rate, precision livestock farming
    DOI:   10.13031/iles.18-132
    ( Free Abstract )    ( Download PDF )

  87. Real-time grower-finisher pigs’ growth monitored and forecasted using a dynamic linear regression model
    Authors:   Alberto Peña Fernández, Tomas Norton, Erik Vranken, Daniel Berckmans
    Keywords:   Fatteners, feed, forecasting, weight
    DOI:   10.13031/iles.18-133
    ( Free Abstract )    ( Download PDF )

  88. Virtual Farm Website for Dairy Climate Change and Sustainability Information
    Authors:   Eileen Fabian-Wheeler, Daniel Hofstetter, Rebecca Larson, Horacio Aguirre-Villegas, Carolyn Rumery Betz
    Keywords:   Climate Change, Dairy, Data, Website, Extension, Greenhouse Gas, Life Cycle Assessment.
    DOI:   10.13031/iles.18-134
    ( Free Abstract )    ( Download PDF )

  89. Conductive Cooling of Group-Housed Grow-Finish Pigs: Year 1
    Authors:   Erin L Cortus, Joseph Darrington, Robert C Thaler
    Keywords:   Pigs, floor cooling, performance, conduction, animal housing
    DOI:   10.13031/iles.18-135
    ( Free Abstract )    ( Download PDF )

  90. Mitigating Hydrogen Sulfide Safety Risk and Odor for Dairy Farms Using Gypsum Bedding
    Authors:   Eileen Fabian-Wheeler, Long Chen, Michael Hile, Michael Pate
    Keywords:   Dairy, Gypsum bedding, Hydrogen sulfide, Iron oxide, Manure, Safety, Odor, Storage.
    DOI:   10.13031/iles.18-136
    ( Free Abstract )    ( Download PDF )

  91. Unintended Impacts on Animal Welfare and Environment of Combined Farm Animal Housing with Manure Storage
    Authors:   Eileen Fabian-Wheeler
    Keywords:   Air quality, animal housing, animal welfare, emissions, facilities, management, manure storage.
    DOI:   10.13031/iles.18-137
    ( Free Abstract )    ( Download PDF )

  92. Comparison of Outside Air and Sol-air Design Temperatures for Estimating Insulation Needs
    Authors:   Gary Daniel Chesser, Jr., Joseph L. Purswell, Jeremiah D. Davis, Jason K Ward, Thomas Tabler
    Keywords:   Broiler house, design temperature, heat transfer, poultry, insulation, solar radiation, sol-air temperature, thermal envelope.
    DOI:   10.13031/iles.18-138
    ( Free Abstract )    ( Download PDF )

  93. Evaluation of Environmental Temperature in Pullet Weight Gain and Uniformity
    Authors:   Márcia Gabrielle Lima Cândido, Ilda de Fátima Ferreira Tinôco, Rafaella Resende Andrade, Isabella Theresa de Almeida Martins, Leticia Cibele da Silva Ramos Freitas, Richard S Gates
    Keywords:   Environment, heat stress, poultry, thermal comfort
    DOI:   10.13031/iles.18-140
    ( Free Abstract )    ( Download PDF )

  94. Spatial and Diurnal Variations of Particulate Matter Concentration of a Pilot-Scale Aviary Layer House in Winter
    Authors:   Yu Wang, Dapeng Li, Suzanne M Leonard, Zhengxiang Shi, Hongwei Xin, Lilong Chai, Baoming Li
    Keywords:   Air quality; aviary cage-free hen housing; PM concentration; worker health;
    DOI:   10.13031/iles.18-141
    ( Free Abstract )    ( Download PDF )

  95. Comparative evaluation of poultry avoidance distances to human vs. robotic vehicle
    Authors:   Pratik Parajuli, Yanbo Huang, Yang Zhao, Tom Tabler, Joseph L. Purswell
    DOI:   10.13031/iles.18-142
    ( Free Abstract )    ( Download PDF )

  96. Evaluation of a Low Cost Thermographic Camera for Poultry Temperature
    Authors:   Márcia Gabrielle Lima Cândido, Ilda de Fátima Ferreira Tinôco, Lucas P Herker, Talissa F. P. Ireno, Rafaella Resende Andrade, Richard S Gates
    Keywords:   image analysis, poultry, temperature, thermographic camera
    DOI:   10.13031/iles.18-143
    ( Free Abstract )    ( Download PDF )

  97. Feasibility Study of Environmental Control of Dairy Barns using Air Conditioning or Evaporative Cooling
    Authors:   Jiangong Li, Xuejin Shen, Ted L Funk, Xinlei Wang
    Keywords:   Air conditioning, controlled environment, dairy equipment, economic analysis.
    DOI:   10.13031/iles.18-144
    ( Free Abstract )    ( Download PDF )

  98. Modeling Hen House Ventilation Options for Cage-free Environment: Two-Dimensional Case
    Authors:   Eileen Fabian, Long Chen, Dan Hofstetter, Paul Patterson, John Cimbala
    Keywords:   Poultry, Housing, Ventilation, Cage-free, Modeling, Computational Fluid Dynamics, CFD
    DOI:   10.13031/iles.18-145
    ( Free Abstract )    ( Download PDF )

  99. Evaluation of Methane Production Manipulated by Level of Intake in Growing Cattle and Corn Oil in Finishing Cattle
    Authors:   T. M. Winders, B. M. Boyd, F. H. Hilscher, R S. Stowell, S. C. Fernando, G. E. Erickson
    Keywords:   beef cattle, intake, methane, nutrition, oil.
    DOI:   10.13031/iles.18-146
    ( Free Abstract )    ( Download PDF )

  100. Evaluating the Effect of Feeding Biochar to Cattle on Methane Production and Diet Digestibility
    Authors:   Tommy M. Winders, M. L. Jolly-Breithaupt, C. B. Freeman, B. M. Mark, G. E. Erickson, A. K. Watson
    Keywords:   beef cattle, biochar, methane, nutrition
    DOI:   10.13031/iles.18-148
    ( Free Abstract )    ( Download PDF )

  101. Light intensity, egg weight and egg size in a vertical aviary of naturally ventilated laying hens
    Keywords:   Environment, Lighting, Egg quality.
    DOI:   10.13031/iles.18-149
    ( Free Abstract )    ( Download PDF )

  102. Heat Production of Jersey Dairy Cows Measured via Indirect Calorimetry
    Authors:   D. L. Morris, R. R. Stowell, T. M. Brown-Brandl, P. J. Kononoff
    Keywords:   Dairy cow, heat production, indirect calorimetry.
    DOI:   10.13031/iles.18-150
    ( Free Abstract )    ( Download PDF )

  103. Effect of different levels of air velocity at 35°C on Japanese quail behavior at start of lay
    Keywords:   Air velocity, Egg production, Environment, Environmental variables.
    DOI:   10.13031/iles.18-151
    ( Free Abstract )    ( Download PDF )

  104. Effect of different levels of air velocity and temperature on Japanese quail performance at start of lay
    Keywords:   Air velocity, Egg production, Environment, Environmental variables.
    DOI:   10.13031/iles.18-152
    ( Free Abstract )    ( Download PDF )

  105. Impact of Brazilian pig farm construction and environmental management practices on nursery pig performance – A case study
    Authors:   Eliene Justino, Fausto Pires Maluf, Kenneth D Casey
    Keywords:   Nursery, weaners, environmental management, weight gain, temperature, relative humidity.
    DOI:   10.13031/iles.18-153
    ( Free Abstract )    ( Download PDF )

  106. Thermocline Design for Thermal Preference Testing in Piglets
    Authors:   Lindsey Robbins, Angela R Green-Miller, Jay S Johnson, Christopher Gonzales, Brianna N Gaskill
    Keywords:   Cold stress, heat stress, pigs, swine, thermoneutral zone, thermoregulation.
    DOI:   10.13031/iles.18-154
    ( Free Abstract )    ( Download PDF )

  107. Utilizing Comprehensive Nutrient Management Plans (CNMP) to Improve Livestock Operations Performance
    Authors:   Jeffrey P. Porter, Sandra L. Means
    Keywords:   Air Quality, Animal Feeding Operation (AFO), Comprehensive Nutrient Management Plan (CNMP), Concentrate Animal Feed Operation (CAFO), Conservation Planning, Livestock, Resource Concerns, Soil Erosion, Water Quality
    DOI:   10.13031/iles.18-155
    ( Free Abstract )    ( Download PDF )

  108. Development and application of animal building environmental control system
    Authors:   Yiguang Zhao, Xuemei Nan, Xiangfang Tang, Liang Yang, Benhai Xiong
    Keywords:   animal house, control, environment, sensor, single-chip microcomputer.
    DOI:   10.13031/iles.18-156
    ( Free Abstract )    ( Download PDF )

  109. Performance of pregnant West African Dwarf ewes fed diets supplemented with varying levels of fossil shell flour
    Authors:   Chibuisi Henry Emeruwa, Ngozi Felicia Anurudu
    Keywords:   Fossil shell flour, performance and West African Dwarf ewes.
    DOI:   10.13031/iles.18-158
    ( Free Abstract )    ( Download PDF )