Avian Influenza
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Pathobiology of classical H7N1 and Gs/GD H5N8 highly pathogenic avian influenza viruses in different chicken breeds and role of Mx 2032 G/A polymorphism in infection outcome Kateri Bertran, IRTA, Centre de Recerca en Sanitat Animal (CReSA, IRTA-UAB)
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Vaccination Efficacy of Multivalent Recombinant Herpesvirus Turkey Vaccines Against Highly Pathogenic Avian Influenza Miria Criado, USDA
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Evaluation of protection of H5 vaccination regimes against early challenge with HPAI-H5N1 on commercial broiler chickens Wael Elfeil, Suez Canal University, Ismailia, Egypt CANCELED
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Development of next-generation live attenuated influenza vaccines with elite interferon-inducing capabilities Amir Ghorbani, The Ohio State University
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Evaluation of the cross-antigenicity of two H9N2 vaccine strains assessed by HI-test using sixteen distinct AIV H9N2 antigens Andreas Herrmann, MERIAL S.A.S.
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T Cell Epitope Engineering Strategy to Improve the Immunogenicity of Avian Influenza H7N9 Vaccine Hyesun Jang, University of Georgia
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Characterization of a Novel Avian Influenza Live Virus Vaccine Based on Disruption of M2/M42 Gene Expression That Protects Against Clade 0 and 2.3.4.4 Highly Pathogenic Avian Influenza Darrell Kapczynski, USDA-ARS-USNPRC
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Roles of the matrix and nucleoprotein genes on the virulence of H5N8 highly pathogenic avian influenza virus clade 2.3.4.4 Christina Leyson, Southeast Poultry Research Laboratory
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Evaluation of environmental sample collection devices and target sampling areas for Avian Influenza detection in layer cages Jongseo Mo, United States Department of Agriculture, Southeast Poultry Research Laboratory
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Infectivity and transmission in turkeys and chickens of low and highly pathogenic avian influenza viruses from the 2020 outbreak in turkey farms in North Carolina and South Carolina Mary Pantin-Jackwood, Southeast Poultry Research Lab, US National Poultry Research Center, US Dept. of Agriculture-Agricul
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Bacteriology/Antimicrobial
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Trends in antimicrobial use and antimicrobial resistance in broiler chickens; impact of industry-wide antimicrobial use reduction strategy Agnes Agunos, Public Health Agency of Canada
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Effects of the in ovo Administration of the 6/85 Mycoplasma gallisepticum Vaccine on Layer Chicken Embryo Livability and Post-Hatch Performance Abdulmohsen Alqhtani, Mississippi State University
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Use of AMN to prevent Clostridium perfringens induced necrotic enteritis in broilers David Diez Arias, Biovet, S.A.
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Evaluation of the Effectiveness of a Direct-fed Microbial with an AGP and an Ionophore Coccidiostat to Reduce Salmonella heidelberg in Broilers Charles Hofacre, Southern Poultry Research Group, Inc.
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Development of a Mass Administered Vaccine for Prevention of Necrotic Enteritis in Broilers Charles Hofacre, Southern Poultry Research Group, Inc.
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Characterization of bacterial chondronecrosis with osteomyelitis (BCO) in broilers in a commercial setting Elizabeth Kim, DuPont
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Detection of Necrotic Enteritis (NE) B-Like Toxin in Biological Samples of NE-Afflicted Chickens by Capture Enzyme-Linked Immunosorbent Assay Kyung-Woo Lee, ARS-USDA
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Necrotizing Hepatitis Associated with Clostridium perfringens in Broiler Chicks Valerie Marcano, University of Georgia
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Characterization and Antimicrobial Resistance Patterns of Pasteurella multocida Isolates from Chickens in Mississippi Eric Orozco, Mississippi State University PRDL
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Genomic Analysis of Avibacterium paragallinarum from 2019 infectious coryza cases in the United States Ha-Jung Roh, Ceva Animal Health
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Genomic landscape of Ornithobacterium rhinotracheale in commercial turkey production in the United States Emily Smith, University of Minnesota
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Risk Factors Associated with the Incidence of Turkey Clostridial Dermatitis in Big Toms Laura Tensa, Cargill Turkey & Cooked Meats
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Bacteriology/Antimicrobial: Salmonella and E. Coli
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Exploring the Fitness of Retail Poultry Escherichia coli to Cause Foodborne Urinary Tract Infections Ananta Arukha, University of Florida
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Colonization of Internal Organs by Salmonella Enteritidis and Salmonella Kentucky in Experimentally Infected Laying Hens in Indoor Cage-Free Housing Richard Gast, USDA
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Emergence of a Novel Salmonella enterica Serotype Reading Clone is Linked to its Expansion in Commercial Turkey Production Timothy Johnson, University of Minnesota
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Transmissible antibiotic resistance genes present in Escherichia coli and Salmonella from USA poultry Daniel Karunakaran, Arm and Hammer Animal Nutrition
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The Comparative Analysis of the Salmonella enterica subsp. enterica Serovar Infantis IncFIB Plasmid Genetic Sequence Would Aid to Identify Relevant Subtypes for Salmonella Control in Poultry Roxana Sanchez Ingunza, Private Consulting - Poultry
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Impact of E. coli vaccination on production performance of turkeys and E. coli ecology over time Katie Stumvoll, Jennie-O Turkey Store
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Autogenous Salmonella Vaccine Isolate Selection Process: Identifying Candidate Strains Francene Van Sambeek, Elanco Animal Health
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An Embryo Co-infection Model for Enterococcus faecalis and Avian Pathogenic E. coli Assesses Pathogenicity and Virulence of Polybacterial Infections Grayson Walker, North Carolina State University College of Veterinary Medicine
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Case Reports
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Diagnosing and managing Inclusion Body Hepatitis outbreak in primary broiler breeders Emma Castillo, Aviagen
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A Case Report of Erysipelothrix rhusiopathiae Infection in Turkey Breeder Hens Ana Paula Da Silva, UC Davis
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Case Report:Clinical and Histopathological Findings in First Reported Case of False Layer Syndrome in Georgia Karen Grogan, University of Georgia, PDRC
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Salmonella Bacterin Induced Hepatopathy in Broiler Breeder Pullets Eric Heskett, Case Farms
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An Interesting Case of Pasteurella multocida “Like” Clinical Signs with a Slew of Organisms Geoffrey Lossie, Purdue University College of Veterinary Medicine/Indiana Animal Disease Diagnostic Lab
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Acute Hypocalcemia in a Flock of Commercial Egg Laying Chickens Chase Miller, Elanco Animal Health
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On a Friday afternoon... Kayla Niel, Hy-Line International
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Case Report:A Unique Toxicity in Broiler Breeders Eric Shepherd, University of Georgia Poultry Diagnostic and Research Center
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Investigation of Increased Cases of Erysipelas in Commercial Turkeys Stephen Williams, Butterball
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Immunology/Vaccinology
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Replication of HVT Single (HVT-ILT) and Double (HVT-ND-ILT) Constructs and Efficacy against Challenge in SPF Birds. Ivan Alvarado, Merck Animal Health
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Nanoparticle-based co-delivery of IBV antigen and adjuvant induces protective mucosal immunity in chickens Hui-Wen Chen, National Taiwan University
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Salmonella Strains Displaying ENhanced Innate Immunity Response Activators (ENIIRA) to Stimulate Innate Immunity to Enhance Protective Immunity Roy Curtiss, University of Florida
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Protective Effects of a Modified Live E. Coli Vaccine Against Homologous And Heterologous Challenges In Laying Hens Manuel Da Costa, Zoetis
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The Effective Use of Siderophore Receptor Proteins (SRP) as Antigens in Poultry Vaccines. Dan Domingo, Epitopix LLC
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Efficacy of two commercial infectious coryza vaccines after challenge with a serotype C Avibacterium paragallinarum strain isolated from outbreaks in layers and broilers in California
Rodrigo Gallardo, University of California, Davis
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Alternative Approaches to Development of Vaccines against Food Safety Pathogens Kemal Karaca, Curtiss Healthcare CANCELED
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Histological Evaluation of the Effects of High Incubation Temperature on Embryonic Development of Thymus in Broiler Chickens ChangHee Lee, Poultry diagnostic and research center
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Development of Poultry Immune Reagents Hyun Lillehoj, Animal Biosciences and Biotechnology Laboratory, Beltsville Agricultural Research Center
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Protection by a Novel Dual Recombinant HVT ND-IBD Vaccine alone or in combination of an IBD 89/03 Live Attenuated Vaccine againsta Variant E Strain Challenge of Infectious Bursal Disease Alexandra Mendoza-Reilley, Merck Animal Health
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Parasitology/Enteric Health
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Avian Cryptosporidiosis: The Need for a Paradigm Shift. Hayet Abbassi, University of Minnesota and Pasteur Institute of Tunisia CANCELED
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Parasitological Surveillance in a Pastured Poultry Farm Maria Tereza Bethonico Terra, Auburn University
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Resistance to fenbendazole in Ascaridia dissimilis and its economic impact on the production of turkeys James Collins, University of Georgia, Dept. of Infectious Diseases
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Broiler Breeders: An Assessment of the Enteric Parasites Population Steve Fitz-Coy, Merck AH
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Dietary supplementation with Bacillus subtilis direct-fed microbials alters chicken intestinal metabolite levels Inkyung Park, USDA-ARS
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In vitro inhibitory effect of a new three-strains selected probiotic on several serovars of Salmonella John Schleifer, Chr. Hansen, Inc.
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Parasitology/Enteric Health: Coccidia
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A new method for Eimeria Speciation and Quantification Using Flow Cytometry Daniel Adams, North Carolina State University
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Coccidiosis Vaccine Trial in Turkey Poults Zachary Adams, Iowa State University College of Veterinary Medicine
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Typing Eimeria maxima isolates from Alabama broiler flocks using a multi-locus sequence typing (MLST) scheme Miranda Carrisosa, Auburn University
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Zoamix: A Blast from the Past Timothy Cummings, Zoetis
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Experiences Vaccinating with a Novel Coccidiosis Vaccine in Long Lived Chickens in the United States Kelli Jones, Ceva
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Lessons learned changing coccidiosis vaccines in grandparent broiler breeders Christina Lindsey, Aviagen
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The Potential Impact Of Three Phytogenic Feed Additives On Chicken Eimeria from Coccidiosis Vaccine. Chad Malinak, Merck Animal Health
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Effects of Coccidiosis Vaccination With or Without the Use of a Phytogenic Feed Additive in Broilers Marcos Rostagno, Phytobiotics North America
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Identifying and Quantifying Eimeria Species in Mixed Samples with Molecular-Based Technologies Ryan Snyder, University of Guelph
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Applying Metagenomics to Characterize the Eimeria species Composition in Litter from Commercial Broiler Farms Kate Worthing, ARS-USDA
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Virology
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MinION- and MiSeq-based Sequencing of Total RNA for Detection of Chicken Respiratory Pathogens in Clinical Swabs Salman Latif Butt, University of Agriculture Faisalabad
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Comparison of the monitoring methods for following the take of immune-complex vaccine against Gumboro disease in commercial layers Claudia Carranza, Ceva Animal Health
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Viral Hepatitis in Turkey Poults Megan Lighty, Jennie-O Turkey Store
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Isolation of Egg Drop Syndrome (EDS) Adenovirus from Brown Layers in Pennsylvania Milos Markis, AviServe LLC
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Comparison Of Antibody Response Against Infectious Bursal Disease In Broiler Breeders Injected Subcutaneously In The Back Of The Neck, Inguinal Fold And Intramuscular In The Thigh Or Breast Enrique Montiel, Boehringer Ingelheim
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Virulence assessment of chicken astrovirus (CAstV) isolated from outbreaks of White Chicken Syndrome (WCS) in Western Canada Victor Palomino-Tapia, University of Calgary
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Effect of antibiotic growth promoter administration on the intestinal microbiota and virus shedding post avian influenza virus infection in chickens Brittany Seibert, University of Georgia
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SARS-CoV-2 and MERS-CoV are unable to replicate in common poultry species and embryonating chicken eggs Erica Spackman, SEPRL-USDA-ARS
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The Economics of Neoplastic Disease Guillermo Zavala, Avian Health International, LLC
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Virology: ILT and IBV
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Validation of Day of Age Infectious Bronchitis Vaccination Matilde Alfonso, Ceva Animal Health
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Molecular characterization of field isolates of infectious bronchitis virus in Mississippi from 2013 to 2019 Alejandro Banda, Mississippi State University
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Genotyping of Infectious Laryngotracheitis virus (ILTV) isolates from Western Canada based on partial open reading frame (ORF) a and b Catalina Barboza Solis, University of Calgary
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Infectious Bronchitis Challenge Studies in Broilers—a Comparison of IB Vaccine “Takes” and Protection Kalen Cookson, Zoetis
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Evaluation of host genetic resistance against infectious laryngotracheitis John Dunn, USDA-ARS-USNPRC
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Infectious Laryngotracheitis Sequence Typing Directly from Clinical Samples Mohamed El-Gazzar, Iowa State University
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Efficacy Studies of a Variant Infectious Bronchitis Virus Vaccine Brianna Ford, CEVA Animal Health
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False layer syndrome IBV, pathogenicity insights and surveillance in layer flocks
Rodrigo Gallardo, University of California, Davis
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Pathogenesis of the Canadian Delmarva (DMV/1639) Infectious Bronchitis Virus (IBV) Infection in Layers Mohamed S. H. Hassan, University of Calgary
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DMV/1639 type IBV transmits from vaccinated chickens to other vaccinated chickens after challenge Brian Jordan, The University of Georgia
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Safety and Protection Efficacy of a Cell Line Adapted Infectious Laryngotracheitis Virus (ILTV) BDORFC Strain Following In ovo and/or Spray Vaccination with and without rHVT-LT Vaccine Daniel Maekawa Maeda, University of Georgia
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Investigating the role of Infectious Bronchitis Virus variant DMV/1639 in incidence of False Layer Syndrome Adrea Mueller, University of Georgia
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Virology: Marek’s Disease and Reovirus
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Pathogenic and Immunogenic Evaluation of Avian Reovirus Variant Strains Isolated from Clinical Cases Sofia Egana, University of California, Davis
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Review of a New Generation Marek’S Vaccine, RN1250 Strain, in Combination with Herpesvirus of Turkey (HVT) Vectored Vaccines Used in Various Types of Birds Worldwide Stephane Lemiere, Boehringer Ingelheim
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Protection Against 9109-Like Variant IBDV Using Dual Recombinant HVT-ND-IBD Vaccine Alone Andres Montoya, Merck Animal Health
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Differential Pathogenesis of Turkey Reoviruses associated with Arthritis, Enteritis and Hepatitis Sunil Mor, University of Minnesota
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Dual ND-IBD HVT Construct Vaccines:Efficacy and Onset of Immunity When Challenged with IBD Variant Strains Linnea Newman, Merck Animal Health
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Turkey Breeders Perspective : How to Achieve Reovirus Maternal Antibodies in Poults through Vaccination of Parents Cynthia Philippe, Hendrix Genetics Ltd
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Evaluation of Attenuated Variant Reoviruses as Modified Live Vaccines Holly Sellers, Poultry Diagnostic & Research Center, University of Georgia
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Evaluation of Antibody Response to Autogenous Reovirus and Infectious Bursal Disease Virus Vaccines Katharine Shamoun, Poultry Diagnostic & Research Center, University of Georgia
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Turkey Reovirus Hepatitis: An Emerging Disease from a Known Etiological Agent. Andrew Smith, Butterball
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Case Report: Runting and Stunting Syndrome in a Flock of Commercial Brown Layers Jim Stockam, Merck Animal Health
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Wealth of Knowledge 1
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2020 Research Priorities of the American Association of Avian Pathologists Natalie Armour, Mississippi State University, CVM, DPPM
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Post Vaccination Monitoring and Respiratory Disease Monitoring in Broiler Flock by On-Side Fully Automated POCKIT Central PCR system Keat Fu, Aviagen Inc.
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Using geospatial methods to produce a Georgia risk map for avian influenza Louise Dufour-Zavala, GPLN
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Analytical epidemiology of Spotty Liver Disease Yuanshuo Karen Gao, University of Sydney
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Egg Layer Biosecurity in 2020 – An Assessment of Daybreak Foods, Inc. Biosecurity Program Rosemary Marusak, Daybreak Foods, Inc
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Common Misconceptions in Assuming a Product is a Viable Alternative to an Antibiotic Greg Mathis, Southern Poultry Research, Inc.
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New Features of 14th Edition of Diseases of Poultry David Swayne, USDA/ARS/SEPRL
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Wealth of Knowledge 2
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Technical and Analytical Considerations Performing Retrospective and Prospective Studies Using Clostridial Dermatitis in Turkeys as a Model Dave Fernandez, FSTAATS Agri-Business Solutions
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What Happens When You Feed Layer Ration to Chickens From 8 to 14 Weeks of Age. Richard Fulton, Michigan State University
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Development And Validation Of Two Diagnostic Real-Time PCR (TaqMan) Assays For The Detection Of Bordetella Avium From Clinical Samples Amro Hashish, IOWA State University
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Comparison of Selected Blood Biochemistry Values in Meat-Type Chickens and Turkeys at Critical Ages using the i-STAT and VetScan2 Fernando Jimenez, North Carolina State University, College of Veterinary Medicine
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Comparison of Turkey Biochemical Test Results Between a Handheld Blood Analyzer and a Conventional Laboratory Blood Analyzer Hannah Sather, North Carolina State University College of Veterinary Medicine
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Is Aspirin a Useful Adjunct in the Management of Vaccine Reactions and Respiratory Disease in Broilers? John Smith, Alectryon LLC
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Evaluation of Factors Correlated with the Development of Hemorrhagic Hepatopathy in Broiler Breeder Pullets Linnea Tracy, University of Georgia Poultry Diagnostic and Research Center
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The Mission and Goals of AAAP’s Diversity and Inclusion Taskforce Valerie Marcano, University of Georgia
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