Results 21 to 30 of about 59,871 (246)

Mass Depopulation of Swine during COVID-19: An Exploration of Swine Veterinarians’ Perspectives

open access: yesVeterinary Sciences, 2022
This qualitative study (n = 25) was created to better understand the mental health of U.S. swine veterinarians who were involved in the mass depopulation events related to COVID-19.
Cori Bussolari   +4 more
doaj   +1 more source

Ultrafast photocurrents at the surface of the three-dimensional topological insulator $\mathrm{Bi}_2\mathrm{Se}_3$ [PDF]

open access: yes, 2015
Topological insulators constitute a new and fascinating class of matter with insulating bulk yet metallic surfaces that host highly mobile charge carriers with spin-momentum locking.
Braun, Lukas   +8 more
core   +3 more sources

The Impact of PRRS Eradication Program on the Production Parameters of the Hungarian Swine Sector

open access: yesAnimals, 2023
Background: The Hungarian national eradication program of PRRS was successfully completed between 2014 and 2022. There were doubts about the efficiency of the eradication program in Hungary from the beginning to the tune that it might only be carried out
István Szabó   +7 more
doaj   +1 more source

Factors associated with the introduction of classical swine fever virus into pig herds in the central area of the 1997/98 epidemic in the Netherlands [PDF]

open access: yes, 2001
A matched case-control study of 135 infected and 99 uninfected pig herds from the central area of the 1997 to 1998 epidemic of classical swine fever (CSF) in The Netherlands was undertaken to identify factors associated with the introduction of the virus.
Elbers, A.R.W.   +2 more
core   +2 more sources

DEPOPULATION IN PERIPHERAL REGIONS OF EASTERN POLAND – DETERMINANTS AND CONSEQUENCES [PDF]

open access: yesAnnals of the Polish Association of Agricultural and Agribusiness Economists, 2021
The study examines demographic processes and the resulting challenges for the development of areas at risk of depopulation. The research covered regions defined as NUTS 2 in European Union nomenclature and classified as the Eastern Poland Macroregion in ...
Grzegorz Ślusarz
doaj   +1 more source

Estimation of the Production Economic Consequences of Stopping Partial Depopulation in Broiler Production

open access: yesAnimals, 2022
Partial depopulation is the removal and slaughter of part of a flock prior to the final slaughter age, and this practice allows broiler producers to optimize stocking density in broiler houses.
Nunzio Sarnino   +3 more
doaj   +1 more source

Population and Depopulation [PDF]

open access: yesNature, 1929
AT the World Population Conference held at Geneva in 1927, one might observe a contrast in viewpoint of the very greatest interest. The delegates from the United States were much concerned with the imminence of the dangers of over-population, while the majority of European speakers, at least those who spoke with authority on their own national ...
openaire   +1 more source

Doppler-Free Spectroscopy of Weak Transitions: An Analytical Model Applied to Formaldehyde [PDF]

open access: yes, 2007
Experimental observation of Doppler-free signals for weak transitions can be greatly facilitated by an estimate for their expected amplitudes. We derive an analytical model which allows the Doppler-free amplitude to be estimated for small Doppler-free ...
A. Szöke   +18 more
core   +1 more source

A Systematic Literature Review on Depopulation Methods for Swine

open access: yesAnimals, 2020
Swine mass depopulation refers to the destruction of large numbers of pigs and may include not only animals affected with a disease but also healthy pigs in a facility or surrounding areas.
Andréia G. Arruda   +5 more
doaj   +1 more source

Assessment of a reconfiguration of the InterSpread Plus US national FMD model as a potential tool to analyze a foot-and-mouth disease outbreak on a single large cattle feedlot in the United States

open access: yesFrontiers in Veterinary Science, 2023
IntroductionAn incursion of foot-and-mouth disease (FMD) into the United States remains a concern of high importance and would have devastating socioeconomic impacts to the livestock and associated industries.
Sarah R. Mielke   +6 more
doaj   +1 more source

Home - About - Disclaimer - Privacy