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Abstract

A cross-sectional study of 127 dairy herds distributed across four regions of New Zealand (NZ) was conducted to estimate the regional herd-level prevalence of bovine digital dermatitis (BDD) and the prevalence of cows with BDD lesions within affected herds. Each herd was visited once during the...

Author(s)
Yang, D. A.; Johnson, W. O.; Müller, K. R.; Gates, M. C.; Laven, R. A.
Publisher
Elsevier B.V., Amsterdam, Netherlands
Citation
Preventive Veterinary Medicine, 2019, 165, pp 76-84
Abstract

Foot disorders are an important health problem in dairy cattle, in terms of economics and animal welfare. The incidence, severity, and duration of foot disorders account for their importance. Prevalence of both subclinical and clinical foot disorders is high. More insight into the economic...

Author(s)
Bruijnis, M. R. N.; Hogeveen, H.; Stassen, E. N.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2010, 93, 6, pp 2419-2432
Abstract

Bovine digital dermatitis (BDD) is an epidermitis which is a leading cause of infectious lameness. The only recognized diagnostic test is foot inspection, which is a labour-intensive procedure. There is no universally recognized, standardized lesion scoring system. As small lesions are easily...

Author(s)
Vink, W. D.; Jones, G.; Johnson, W. O.; Brown, J.; Demirkan, I.; Carter, S. D.; French, N. P.
Publisher
Elsevier, Amsterdam, Netherlands
Citation
Preventive Veterinary Medicine, 2009, 92, 3, pp 235-248
Abstract

A simple generic model of foot and mouth disease (FMD) is presented. The dynamics of FMD at the index site (the farm where the initial infection occurs) is represented. Spread of disease from the index site is simulated with a three-term radial function, the terms corresponding to natural...

Author(s)
Thornley, J. H. M.; France, J.
Publisher
Elsevier, Amsterdam, Netherlands
Citation
Preventive Veterinary Medicine, 2009, 89, 3/4, pp 139-154
Abstract

A survey of the methods used by different workers for controlling the innocuity and assessing the protective value of FMD vaccines in cattle, sheep, guineapigs and mice. Details are given of the official French procedures of vaccine preparation and control. For the interpretation and comparison of...

Author(s)
Fontaine, J.; Terre, J.
Citation
Revue de Medicine Veterinaire, 1971, 122, pp 289-322
Abstract

It is concluded that g.-pigs are suitable for assay provided they weigh about 500 g. each, are in good health, come from known breeding establishments and are kept under constant conditions of husbandry during experiments. A good immune response was elicited by i/m injection; antibody titres...

Author(s)
Roumiantzeff, M.; Fontaine, J.; Stellman, C.; Mackowiak, C.
Publisher
Institut de la Fièvre Aphteuse, Lyon.,
Citation
Revue de Medicine Veterinaire, 1965, 116, pp 597-607
Abstract

A method for assessing the cross-vaccinating dose 50 (CVD50) in g.pigs is described. By this technique it is possible to differentiate variants, which it is not possible to do in a statistically significant manner by the qualitative test in cattle. It is possible to express, by coefficients, the...

Author(s)
Fontaine, J.; Terre, J.; Roumiantzeff, M.; Dubouclard, C.; Bornarel, P.; Favre, H.
Publisher
Societe des Sciences Veterinaires de Lyon, Lyon, France
Citation
Bulletin de la Societe des Sciences Veterinaires de Lyon, 1966, 68, pp 161-172
Abstract

The method is based on the parallelism between the immune response to vaccines in guineapigs and in cattle. Vaccines were classed in two groups according to their protective index (C) for guineapigs: those whose protective index expressed as log. C, was higher than l.5 and those whose protective...

Author(s)
Lucam, F.; FéDida, M.; Dannacher, G.
Publisher
Ecole Nationale Veterinaire de Toulouse, Toulouse, France
Citation
Revue de Medecine Veterinaire, 1964, 115, pp 225-245
Abstract

SWINE FEVER: a trial of the Chinese strain of lapinized virus showed that it was safe to use as a vaccine in Belgium. Antibodies to porcine picorna-virus (SMEDI virus) were found in at least 59 of 194 serum samples; their incidence did not seem to be related to abortion and sterility. A comparison...

Publisher
INRV, 99 Groeselenberg, 1180 Bruxelles,
Citation
Institut National de Recherches Veterinaires, Uccle. Rapport d'activite 1969., 1970, pp 125 pp.
Abstract

The same techniques were used for the selection of cold mutants as those described for neuroîropic viruses. Type A, O and C were subcultured at 25° C. on calf kidney cells. From the three subcultures clonal selections were made by the plaque method. The viruses obtained did not cause vesicle...

Author(s)
Prunet, P.
Citation
Ann. Inst. Pasteur, 1964, 106, pp 18-28

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