Zobrazeno 1 - 10 of 10 pro vyhledávání: '"Niels Christian Feld"'
1
Single versus double testing of meat-juice samples for Salmonella antibodies, in the Danish pig-herd surveillance programme
Autor: Lars Ekeroth, Lis Alban, Niels Christian Feld
Publikováno v: Preventive Veterinary Medicine. 60:155-165
In Denmark, a national serological surveillance-and-control programme for Salmonella in pigs has been in operation since 1995. The programme is based on the Danish mix-ELISA and uses double testing (two ELISA-wells used per sample) of meat-juice samp
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7e13784c4ce3831585d557facabf5b7a
https://doi.org/10.1016/s0167-5877(03)00122-3
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2
The effects, costs and benefits of Salmonella control in the Danish table-egg sector
Autor: Niels Christian Feld, Tine Hald, J. Mygind, Mogens Madsen, Helle Korsgaard
Publikováno v: Epidemiology and infection. 137(6)
SUMMARYA public plan for eradicating Salmonella in Danish table-egg production was implemented in 1996. During 2002, the poultry industry took over the responsibility of the programme. The proportion of infected layer flocks was reduced from 13·4% i
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2a63aa0c8643229cbecf76719a773f02
https://pubmed.ncbi.nlm.nih.gov/18644168
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3
The serologic response to Salmonella enteritidis and Salmonella typhimurium in experimentally infected chickens, followed by an indirect lipopolysaccharide enzyme-linked immunosorbent assay and bacteriologic examinations through a one-year period
Autor: Mogens Madsen, M. N. Skov, Niels Christian Feld, B. Carstensen
Publikováno v: Avian diseases. 46(2)
Three groups of 100 individually marked salmonella-free chickens were followed for a period of 53 wk. The chickens were infected as day olds by crop instillation of 10(8) colony-forming units: one group with Salmonella enteritidis and a second group
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b6fe40696368190b4896d1de2fa894f2
https://pubmed.ncbi.nlm.nih.gov/12061634
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4
Evaluation of a serological Salmonella mix-ELISA for poultry used in a national surveillance programme
Autor: Susanne Kabell, Lars Ekeroth, Niels Christian Feld, Mogens Madsen, Kim Oren Gradel
Publikováno v: Epidemiology and infection. 125(2)
A Mix-ELISA using lipopolysaccharide antigens from Salmonella enterica serotype Enteritidis and Typhimurium was evaluated using samples collected over time in the Danish salmonella surveillance programme for poultry. Serological samples (n = 42813) t
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::aca50feaf5b78be857c1c602072bd509
https://pubmed.ncbi.nlm.nih.gov/11117948
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5
Mycoplasma hyopneumoniae infection in pigs: duration of the disease and evaluation of four diagnostic assays
Autor: Michael W. Pedersen, Vibeke Sørensen, Vivi Bille-Hansen, Niels Christian Feld, Kristen Barfod, Anne Avlund Feenstra, Niels Jensen, N.F. Friis, Peter Ahrens
Publikováno v: Veterinary microbiology. 54(1)
200 SPF pigs were infected by aerosol with Mycoplasma hyopneumoniae and the development of clinical signs, serological and pathological reactions were studied. Mean time to onset of coughing was 13 days. A mean delay of 9 days was observed from onset
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2d221a180c1ce0a2cb698440a48b1bbb
https://pubmed.ncbi.nlm.nih.gov/9050168
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6
A monoclonal blocking ELISA detecting serum antibodies to Mycoplasma hyopneumoniae
Autor: Anders Meyling, N.F. Friis, Peter Ahrens, Per Qvist, Niels Christian Feld
Publikováno v: Veterinary microbiology. 30(1)
A monoclonal blocking enzyme-linked immunosorbent assay (ELISA) for detection of antibodies to Mycoplasma hyopneumoniae in porcine serum has been developed. The monoclonal antibody (mAb) reacts with an M. hyopneumoniae specific epitope on a molecule
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7c68dd0ae59ed1b0da0151d298447488
https://pubmed.ncbi.nlm.nih.gov/1531562
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8
Serologic Reactions against Salmonella in Samples from Broiler Parent Stock with and without Preceding Colibacillosis: A Case-Control Study
Autor: Jens S. Andersen, Kim Oren Gradel, Niels Christian Feld
Publikováno v: Avian Diseases. 45:486
SUMMARY. In the Danish Salmonella Control Program, eggs from broiler parent flocks are surveyed by serologic analysis every 4 wk for antibodies against Salmonella lipopolysaccharide O-antigens 1, 4, 5, 9, and 12 (Mix-enzyme-linked immunosorbent assay
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7f2c28ba6a989513614ad0ce554826f2
https://doi.org/10.2307/1592993
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10
Monitoring porcine reproductive and respiratory syndrome virus infection status in swine herds based on analysis of antibodies in meat juice samples
Autor: Sten Mortensen, Preben Willeberg, Bertel Strandbygaard, Niels Christian Feld, Anette Bøtner
Publikováno v: Scopus-Elsevier
Veterinary Research
Veterinary Research, BioMed Central, 2001, 32 (5), pp.441-453. ⟨10.1051/vetres:2001136⟩
International audience; An indirect ELISA test was developed as a novel tool aimed at monitoring the herd infection status of swine herds. Meat juice samples from pig carcasses were analysed for the presence of antibodies against porcine reproductive
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a3f7cf50853e623f20ea69f37526342e
http://www.scopus.com/inward/record.url?eid=2-s2.0-0035460313&partnerID=MN8TOARS
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