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Pathologic Characterization of Coinfection with Histomonas meleagridis, Marek's Disease Virus, and Subtype J Avian Leukosis Virus in Chickens

期刊: AVIAN DISEASES, 2021; 65 (2)

Histomonas meleagridis is a trichomonad protozoan parasite that can cause an important poultry disease known as histomoniasis; Marek's disease virus (......

Duck Complement Factor H Binds to Outer Membrane Protein Omp24 of Riemerella anatipestifer

期刊: AVIAN DISEASES, 2021; 65 (2)

The resistance to serum complement-mediated killing is a vital virulence property of microbial pathogens. Complement factor H (FH) is a key negative r......

Establishment of Duplex SYBR Green I-based Real-time PCR Assay for Simultaneous Detection of Duck Hepatitis A Virus-1 and Duck Astrovirus-3

期刊: AVIAN DISEASES, 2021; 65 (2)

Duck viral hepatitis (DVH) mainly affects ducklings under 1 month of age, causes liver necrosis, enlargement, and hemorrhage, and is highly lethal, se......

Antibody Response of an H9 Subtype Avian Influenza Poultry Vaccine on Three Kinds of Wild Birds in Shanghai Zoo

期刊: AVIAN DISEASES, 2021; 65 (1)

A semiannual immunization with a commercial inactivated H9 subtype avian influenza virus (AIV) vaccine developed for poultry has been used to prevent ......

Fowl Adenovirus Serotype 4 Influences Arginine Metabolism to Benefit Replication

期刊: AVIAN DISEASES, 2020; 64 (1)

Hydropericardium syndrome (HPS) is caused by fowl adenovirus serotype 4 (FAdV-4). HPS has caused outbreaks in Chinese populations of broiler chickens ......

Molecular Phylogeny of an Avipoxvirus Isolated from Red-Flanked Blue Robin in China

期刊: AVIAN DISEASES, 2020; 64 (1)

We first report avipoxvirus (APV) infection and an isolate named APV/03/2016 from a red-flanked blue robin (Tarsiger cyanurus) captured at Songhua Lak......

Genetic, Antigenic, and Pathogenic Characteristics of Infectious Bronchitis Virus GI-7/TW-II in China

期刊: AVIAN DISEASES, 2020; 64 (2)

Nine infectious bronchitis virus (IBV) strains belonging to the GI-7 lineage were isolated between 2009 and 2017 in China. Phylogenetic analysis and c......

Influence of Eimeria spp. Infection on Chicken Jejunal Microbiota and the Efficacy of Two Alternative Products Against the Infection

期刊: AVIAN DISEASES, 2020; 64 (2)

Eimeria spp. are important intestinal pathogens of chickens (Gallus gallus domesticus). Anticoccidial feed additives, chemicals, and ionophores have t......

Role of the Hemagglutinin Residue 227 in Immunogenicity of H5 and H7 Subtype Avian Influenza Vaccines in Chickens

期刊: AVIAN DISEASES, 2020; 64 (4)

Many H5 and H7 subtype avian influenza vaccines are poorly immunogenic in terms of inducing hemagglutination-inhibition (HI) antibody titers. Residue ......

Effects of Replacing In-feed Antibiotics with Synergistic Organic Acids on Growth Performance, Health, Carcass, and Immune and Oxidative Statuses of Broiler Chickens Under Clostridium perfringens Type A Challenge

期刊: AVIAN DISEASES, 2020; 64 (3)

This study was conducted to investigate the effects of replacing in-feed antibiotics with synergistic organic acids on growth performance, health, car......

Comparison of the Pathogenicity of Five Clostridium perfringens Isolates Using an Eimeria maxima Coinfection Necrotic Enteritis Disease Model in Commercial Broiler Chickens

期刊: AVIAN DISEASES, 2020; 64 (3)

Clostridium perfringens (CP) is the etiologic agent of necrotic enteritis (NE) in broiler chickens that is responsible for massive economic losses in ......

Pathogenicity and Immune Responses in Specific-Pathogen-Free Chickens During Fowl Adenovirus Serotype 4 Infection

期刊: AVIAN DISEASES, 2020; 64 (3)

Hydropericardium-hepatitis syndrome, a recently emerged disease of chickens, is caused by some strains of fowl adenovirus serotype 4 (FAdV-4). However......

Morphologic Study on Lymphocyte Homing in Duck Tembusu Virus-Infected Duck Spleen

期刊: AVIAN DISEASES, 2020; 64 (3)

The present study was designed to analyze the histologic and cytologic changes of lymphocyte homing in noninfected and duck Tembusu virus (DTMUV)-infe......

Mucosal Delivery of a Self-destructing Salmonella-Based Vaccine Inducing Immunity Against Eimeria

期刊: AVIAN DISEASES, 2020; 64 (3)

A programmed self-destructive Salmonella vaccine delivery system was developed to facilitate efficient colonization in host tissues that allows releas......

Single Immunization with Newcastle Disease Virus-Vectored H7N9 Vaccine Confers a Complete Protection Against Challenge with Highly Pathogenic Avian Influenza H7N9 Virus

期刊: AVIAN DISEASES, 2019; 63 (1)

In the fifth wave of the H7N9 avian influenza epidemic, highly pathogenic avian influenza (HPAI) A (H7N9) viruses have emerged and pose a great challe......

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