Results 21 to 30 of about 76,067 (260)

The prevalence of Infectious Bronchitis (IB) outbreaks in some chicken farms: II. Molecular characterization of field isolates of IB virus [PDF]

Journal of Veterinary Medical Research, 2010
Twenty five isolates of IBV were isolated from 36 broiler and layer chicken farms collected from 13 governorates during 2 years started from January 2003. All the examined farms were vaccinated using the commercial live IB-H120 vaccine in addition to the
K. M. Kamel, A. Khafagy, A. A. Bassiouni, M. A. Afify, N. S. Rabie   +4 more
doaj   +2 more sources

Gulls as a host for both gamma and deltacoronaviruses

Scientific Reports, 2023
The coronaviruses (CoV) are ubiquitous pathogens found in wide variety of hosts that constantly pose a threat to human and animal health as a result of their enormous capacity to generate genetic changes.
Katarzyna Domańska-Blicharz, Justyna Miłek-Krupa, Anna Pikuła   +2 more
doaj   +1 more source

Low pathogenic avian influenza virus isolates with different levels of defective genome segments vary in pathogenicity and transmission efficiency

Veterinary Research, 2020
Defective interfering particles (DIPs) of influenza virus are generated through incorporation of highly truncated forms of genome segments, mostly those coding polymerase complex proteins (PB2, PB1, PA).
Edyta Świętoń, Karolina Tarasiuk, Krzysztof Śmietanka   +2 more
doaj   +1 more source

Cross-sectional survey of selected enteric viruses in Polish turkey flocks between 2008 and 2011

BMC Veterinary Research, 2017
Background Enteric diseases are an important health problem for the intensive poultry industry, resulting in considerable economic losses. Apart from such microbiological agents associated with enteritis as bacteria and parasites, a lot of research has ...
K. Domańska-Blicharz, Ł. Bocian, A. Lisowska, A. Jacukowicz, A. Pikuła, Z. Minta   +5 more
doaj   +1 more source

Highly pathogenic avian influenza H5N8 in Poland in 2019–2020

Journal of Veterinary Research, 2020
Repeated incursions of highly pathogenic avian influenza virus (HPAIV) H5 subtype of Gs/GD lineage pose a serious threat to poultry worldwide. We provide a detailed analysis of the spatio-temporal spread and genetic characteristics of HPAIV Gs/GD H5N8 ...
Śmietanka Krzysztof, Świętoń Edyta, Kozak Edyta, Wyrostek Krzysztof, Tarasiuk Karolina, Tomczyk Grzegorz, Konopka Bogdan, Welz Mirosław, Domańska-Blicharz Katarzyna, Niemczuk Krzysztof   +9 more
doaj   +1 more source

Sustainable Productivity Growth in Agriculture: The Role of Shifts in R&D Investments and Technology

Applied Economic Perspectives and Policy, EarlyView.
ABSTRACT The objective of the paper is to evaluate the long‐term prospects of sustainable productivity growth linked to plausible assumptions on public agricultural R&D investments as the key productivity driver. Second, it investigates the role of changing R&D focus from yield maximization to input saving technologies (fertilizers and pesticides). The
Zuzana Smeets Křístková, Michiel van Dijk, Robert M'Barek, Hans van Meijl, Tomas Ratinger   +4 more
wiley   +1 more source

Studies on maternal antibodies to avian influenza H9N2 vaccine [PDF]

Journal of Veterinary Medical Research, 2010
Broiler breeder Lohmann chickens aged 39 weeks received 3 doses each 0.2 ml of the inactivated oil emulsion AI- H9N2 vaccine, at the 2nd, 7th and 15th weeks of age by subcutaneous injection.
M. M. Amer, A. S. Hamouda, K. M. EL-Bayomi   +2 more
doaj   +2 more sources

Field Investigation and Molecular Detection of Pigeon Paramyxovirus-1 (PPMV-1) in Domestic Pigeons (Columba livia) From Selected Egyptian Governorates

Veterinary Medicine International
Pigeon paramyxovirus-1 (PPMV-1) is a pigeon-host variant of avian paramyxovirus type 1 (APMV-1) associated with neurological, enteric, and respiratory disease in pigeons.
Muhammadtaher Abdulrazaq Abdulrasol, Wafaa A. Abd El-Ghany, Harith Abdulla Najem   +2 more
doaj   +1 more source

Understanding Egg Price Volatility and Policy Implications in the U.S. With Machine Learning

Applied Economic Perspectives and Policy, EarlyView.
ABSTRACT Eggs are an inexpensive and sustainable source of proteins, but volatility in the U.S. egg prices has intensified in recent years, raising concerns over food affordability and market stability. This study examines the drivers of U.S. egg price dynamics over 2004–2025 using a two‐stage framework that combines LASSO‐based variable selection with
Xuemei Zhao, Simon Meister, Lucie Maruejols, Xiaohua Yu   +3 more
wiley   +1 more source

The Cost of a Nutritious Diet in Cafeterias: Evidence From US Military Dining Facilities

Applied Economic Perspectives and Policy, EarlyView.
ABSTRACT Providing nutritious meals in institutional settings with financial constraints, such as military dining facilities, is challenging. The US Department of War (DoW) and US Department of Agriculture (USDA) collaborated to modernize the Basic Daily Food Allowance (BDFA) using an optimization model that incorporates service members' consumption ...
Linlin Fan, Yiwen Zhao, Andrea Carlson, Parke Wilde, Joanna Reagan, Julianna Jayne, Starr Seip, Denise Laursen, Matthew P. Rabbitt   +8 more
wiley   +1 more source