Newcastle disease (ND) is one of the most important poultry diseases worldwide and can lead to annual losses of up to 80% of backyard chickens in Africa. All bird species are considered susceptible to ND virus (NDV) infection but little is known about the role that wild birds play in the epidemiology of the virus. We present a long-term monitoring of 9000 wild birds in four African countries. O...

In late 2014, a H5N8 highly pathogenic avian influenza (HPAI) virus, clade 2.3.4.4, spread by migratory waterfowl into North America reassorting with low pathogenicity AI viruses to produce a H5N2 HPAI virus. Since domestic waterfowl are common backyard poultry frequently in contact with wild waterfowl, the infectivity, transmissibility, and pathogenicity of the United States H5 HPAI index viru...

H5N1, highly pathogenic avian influenza, continues to pose a public health risk in the countries of southeast Asia where it has become endemic. However, in Thailand, which experienced two of the largest recorded epidemics in 2004-2005, the disease has been successfully reduced to very low levels. We fitted a spatio-temporal model of the spread of infection to outbreak data collected during the ...

Few data are available about the prevalence of Salmonella enterica serovar Enteritidis (S.E.) and Typhimurium (S.T.) in ornamental poultry Italy. The aim this study was to investigate seroprevalence for S.E. S.T. using serological tests spp. eggs by culture methods. For purpose, 240 serum samples 216 were sampled from asymptomatic unvaccinated hens reared 24 farms, located 8 different Italian r...

Major implications on a country's economy, food source, and public health. With recent concern over the highly pathogenic avian influenza outbreaks around the world, government agencies are carefully monitoring and inspecting live bird markets, commercial flocks, and migratory bird populations. However, there remains limited surveillance of non-commercial poultry. Therefore, a cross-sectional s...

Productive and reproductive performances in terms of body weight, age at first egg, egg production, fertility, hatchability mortality Vanaraja, Rainbow Rooster, Kamruapa Desi chicken Assam were studied under traditional backyard system rearing. The Rooster birds given to rear the frontline demonstration programmes Krishi Vigyan Kendra, Dhemaji women farmers district during 2020-21. data on bird...