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The disease-induced herd immunity level for Covid-19 is substantially lower than the classical herd immunity level [PDF]
medRxiv, 2020 Most countries are suffering severely from the ongoing covid-19 pandemic despite various levels of preventive measures. A common question is if and when a country or region will reach herd immunity h. The classical herd immunity level hC is defined as hC=
T. Britton, F. Ball, Pieter Trapman
semanticscholar +1 more source
The Effect of Farming System Type on Piglet Production
Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 2020 Reproductive performance of sows is the main factor influencing the profitability of piglet production, and simultaneously it is a basic indicator of farm management quality.
Kamila Pokorná +5 more
doaj +1 more source
BMJ Open, 2023 Objective To assess the readiness of public and private health facilities (HFs) in delivering services related to non-communicable diseases (NCDs) in Nepal.Methods We analysed data from nationally representative Nepal Health Facility Survey 2021 to ...
Achyut Raj Pandey +7 more
doaj +1 more source
Statistical interaction modeling of bovine herd behaviors [PDF]
, 2011 While there has been interest in modeling the group behavior of herds or flocks, much of this work has focused on simulating their collective spatial motion patterns which have not accounted for individuality in the herd and instead assume a homogenized ...
Andonovic, I. +7 more
core +1 more source
Herd protection or herding cats? [PDF]
Thorax, 2019 In this issue of Thorax , Hanquet et al 1 present results of surveillance for invasive pneumococcal disease (IPD) among adults aged 65 years and older in 10 European countries during the 5 years 2011–2015 following introduction of second-generation pneumococcal conjugate vaccines for infants that covered 10 (PCV10) or 13 (PCV13) of the more than 90 ...
Mark van der Linden, Cynthia G Whitney
openaire +2 more sources
Dynamics of Population Immunity Due to the Herd Effect in the COVID-19 Pandemic
Vaccines, 2020 The novel Coronavirus 2 Severe Acute Respiratory Syndrome (SARS-Cov-2) has led to the Coronavirus Disease 2019 (COVID-19) pandemic, which has surprised health authorities around the world, quickly producing a global health crisis.
V. J. Clemente-Suárez +8 more
semanticscholar +1 more source
Proposed modifications to porcine reproductive and respiratory syndrome virus herd classification
Journal of swine health and production, 2021 A standardized system for classifying the porcine reproductive and respiratory syndrome virus (PRRSV) status of swine herds is necessary for communication between veterinarians and producers.
D. Holtkamp +14 more
semanticscholar +1 more source
Evaluation of milk yield losses associated with Salmonella antibodies in bulk-tank milk in bovine dairy herds [PDF]
, 2012 The effect of Salmonella on milk production is not well established in cattle. The objective of this study was to investigate whether introduction of Salmonella into dairy cattle herds was associated with reduced milk yield and the duration of any effect.
A.B. Kudahl +31 more
core +2 more sources
Optimal hjordsammansättning - ett systemanalytisk problem
Rangifer, 1984 Optimal hjordsammansättning - ett systemanalytisk problem.
Öje Danell
doaj +1 more source
Immunogenetic indicators in Simmental cattle breeding
Аграрная наука Евро-Северо-Востока, 2019 Immunogenic analysis allows to identify the genetic effect of individuals on the total gene pool of the herd and the formation of the allele pool in certain groups of animals.
E. I. Anisimova
doaj +1 more source