Zobrazeno 1 - 10
of 24
pro vyhledávání: '"K. H. Christiansen"'
Autor:
K. H. Christiansen, L. C. Snow, Alasdair J. C. Cook, Robert Davies, J. L. O'Connor, Juan Carrique-Mas, Andrew Wales, S. J. Evans
Publikováno v:
Veterinary Record. 161:471-476
A survey of salmonella infection on 454 commercial layer flock holdings in the uk was carried out between October 2004 and September 2005. Fifty-four (11.7 per cent, 95 per cent confidence interval 9.3 to 14.0 per cent) were salmonella positive. The
Publikováno v:
Preventive Veterinary Medicine. 79:32-45
Escherichia coli O157:H7 persists in being a threat to food safety. The mechanisms behind the spread of E. coli O157:H7 on the farm are complex and poorly understood. The objective of this study was to apply a Monte Carlo model, constructed to simula
Publikováno v:
Epidemiology and Infection. 123:109-119
To investigate the feasibility of using information about the health and management of lambs on farms to predict the risk of gross abnormalities at post-mortem meat inspection, 6732 lambs from 30 different farms in Great Britain were followed through
Autor:
G. C. Pritchard, M. P. Cranwell, Stefan Alenius, Trevor W. Drew, D.J Paton, K. H. Christiansen
Publikováno v:
Veterinary Record. 142:385-391
Bulk tank milk samples from 1070 dairy herds in England and Wales were tested by ELISA for antibodies to bovine virus diarrhoea virus (BVDV). A subset of 341 herds was tested by ELISA for antibodies to bovine herpesvirus 1 (BHV-1), bovine respiratory
Autor:
K. H. Christiansen
Publikováno v:
The Aging Male. 1:103-112
The actions of dehydroepiandrosterone (DHEA) and dehydroepiandrosterone sulfate (DHEAS) on the central nervous system have been described as neurotropic, excitatory, and neuromodulator and may form the basis of various psychological effects in humans
Autor:
K. H. Christiansen, C. A. Featherstone, S. J. Evans, L. C. Snow, Juan Carrique-Mas, R. Reichel, Robert Davies
Publikováno v:
Epidemiology and infection. 138(10)
SUMMARYA cross-sectional study into risk factors for Salmonella was undertaken using data gathered from 252 fattening turkey flocks in the UK. The data was derived from the EU baseline survey conducted during 2006 and 2007, in addition to a voluntary
Autor:
K H, Christiansen, D W, Hird, K P, Snipes, C, Danaye-Elmi, C W, Palmer, M D, McBride, W W, Utterback
Publikováno v:
Avian diseases. 40(2)
A pilot project for a meat turkey National Animal Health Monitoring System was undertaken in California in 1988-89 to explore data gathering techniques and to estimate the frequency, magnitude, and variability of management, flock health (including a
Autor:
K. H. Christiansen, Robert Davies, S. J. Evans, Alasdair J. C. Cook, L. C. Snow, Juan Carrique-Mas
Publikováno v:
Veterinary Record. 169:493-493
A total of 29 breeding turkey holdings and 317 fattening turkey holdings were sampled between October 2006 and September 2007 in order to establish the baseline prevalence of Salmonella in turkeys in the UK. The weighted holding level Salmonella prev
Publikováno v:
Avian diseases. 36(2)
Three California turkey premises that had repeated outbreaks of fowl cholera were studied for periods of 2 to 4 years. Using biochemical, serologic, plasmid DNA, and restriction endonuclease analyses of isolates of Pasteurella multocida from turkeys
Publikováno v:
Avian diseases. 36(2)
Restriction endonuclease analysis (REA) of whole-cell DNA was used to determine possible sources of Pasteurella multocida for each outbreak of fowl cholera occurring in turkey flocks in eight commercial poultry companies in California from October 19