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Mostrando ítems 401-410 de 422
Digestive microbiota is different in pigs receiving antimicrobials or a feed additive during the nursery period
(Public Library of Science, 2018-05-25)
Antimicrobials have been used in a prophylactic way to decrease the incidence of digestive disorders during the piglet post-weaning period. Nowadays, it is urgent to reduce their consumption in livestock ...
Interaction of Type 1 Porcine Reproductive and Respiratory Syndrome Virus With In Vitro Derived Conventional Dendritic Cells
(Frontiers Media, 2021-06-02)
The present study delineates the interaction of a typical PRRSV1.1 isolate 3267 (moderate virulence) with in vitro derived pig conventional dendritic cells, cDC1, cDC2, and a CD14+ population (designated ...
Ecological Factors Driving Avian Influenza Virus Dynamics in Spanish Wetland Ecosystems
(Public Library of Science, 2012-11-12)
Studies exploring the ecological interactions between avian influenza viruses (AIV), natural hosts and the environment are
scarce. Most work has focused on viral survival and transmission under laboratory ...
Exploratory field study on the effects of porcine circovirus 2 (PCV-2) sow vaccination at different physiological stages mimicking blanket vaccination
(BMC, 2021-04-26)
Background: The objective of the present study was to explore the benefits of Porcine circovirus 2 (PCV-2) blanket vaccination in a sow herd on productive parameters, PCV-2 infection and immune status ...
Modeling the impact of surveillance activities combined with physical distancing interventions on COVID-19 epidemics at a local level
(KeAi Communications, 2022-11-17)
Physical distancing and contact tracing are two key components in controlling the COVID-
19 epidemics. Understanding their interaction at local level is important for policymakers.
We propose a flexible ...
Assessing the role of livestock and sympatric wild ruminants in spreading antimicrobial resistant Campylobacter and Salmonella in alpine ecosystems
(BMC, 2021-02-15)
Background: Livestock play an important role as reservoir of enteric pathogens and antimicrobial resistance (AMR), a health and economic concern worldwide. However, little is known regarding the ...
Differences in skin test reactions to official and defined antigens in guinea pigs exposed to non-tuberculous and tuberculous bacteria
(Nature Research, 2023-02-20)
The single and comparative intradermal tuberculin tests (SITT and CITT) are official in vivo tests for bovine tuberculosis (TB) diagnosis using bovine and avian purified protein derivatives (PPD-B and ...
A transcriptome analysis: Various reasons of adverse pregnancy outcomes caused by acute Toxoplasma gondii Infection
(Frontiers Media, 2020-02-19)
Background: Toxoplasma gondii (T. gondii) is an obligate intracellular parasite, which can affect the pregnancy outcomes in infected females by damaging the uterus, and the intrauterine environment as ...
Detection of West Nile virus lineage 2 in North‐Eastern Spain (Catalonia)
(Wiley, 2018-12-01)
In September 2017, West Nile virus (WNV) lineage 2 was detected in Catalonia (Northern Spain) in northern goshawks by passive surveillance. The phylogenetic analyses showed that it was related to the ...
Culex flavivirus infection in a Culex pipiens mosquito colony and its effects on vector competence for Rift Valley fever phlebovirus
(BioMed Central, 2018-05-23)
Background
Rift Valley fever is a mosquito-borne zoonotic disease that affects domestic ruminants and humans. Culex flavivirus is an insect-specific flavivirus that naturally exists in field mosquito ...