Institutions: stronger veterinary services for better governance.

Veterinary Services (VS) as defined by the World Organisation for Animal Health (OIE) are institutions that can have varied structures, from the centralised to the completely decentralised, with ranges in between these two extremes. The VS include a broad range of public and civil society organisations and actors whose shared purpose is to deliver animal health services, and the interactions of these actors are governed by a range of formal and informal rules. The range of essential services to be carried out by the VS is laid out in the OIE Terrestrial Animal Health Code, which also provides certain key definitions. To provide these services, there must be strong institutions, as these are key elements of good governance. This, in turn, enhances the efficient provision of global public goods and services to the citizens. Therefore, the VS must be properly resourced and structured to carry out all their tasks. This paper highlights some important factors that can help achieve this goal and discusses possible VS administrative structures, human and financial resources, and national systems for the early detection and notification of disease events as well as those for disease prevention. These are essential elements of the public good functions of VS and they warrant prioritisation by OIE Member Countries.

Preparedness for major OIE-listed epidemics: implementation of simulation exercises.

Large-scale outbreaks of animal disease cause mass death of animals, a devastating economic impact on livestock industries and communities and furthermore often great distress for owners and keepers of animals. Such large-scale outbreaks have, during the last decade, been experienced by certain EU Member States in pigs caused by classical swine fever outbreaks, in ruminants and pigs due to foot and mouth disease and in poultry as a result of infections by avian influenza virus. With the aim of preventing introduction of the OIE former list A diseases and enhance disease preparedness most European countries have in recent years adopted contingency plans and conducted simulation exercises. Simulation exercises will, in this paper, be discussed with special references to: objectives, scope of exercises, preparation of scenarios, tasks to be performed by participants, the need for facilities, management of exercises and the work of the supervisory team.

Contingency planning: preparation of contingency plans.

Outbreaks of infectious animal diseases such as foot-and-mouth disease, classical swine fever, Newcastle disease and avian influenza may have a devastating impact, not only on the livestock sector and the rural community in the directly affected areas, but also beyond agriculture and nation wide. The risk of introducing disease pathogens into a country and the spread of the agent within a country depends on a number of factors including import controls, movement of animals and animal products and the biosecurity applied by livestock producers. An adequate contingency plan is an important instrument in the preparation for and the handling of an epidemic. The legislation of the European Union requires that all Member States draw up a contingency plan which specifies the national measures required to maintain a high level of awareness and preparedness and is to be implemented in the event of disease outbreak. This paper describes the main elements to be included in the contingency plans submitted by Member States to the European Commission for approval.

A foot and mouth disease simulation exercise involving the five Nordic countries.

Simulation exercises are considered a very valuable tool for testing contingency plans established for the control and eradication of rapid spreading animal diseases such as foot and mouth disease, classical swine fever and avian influenza. An inter-Nordic simulation exercise was conducted in 2005 with the objective of testing the national foot and mouth disease contingency plans adopted respectively by Denmark, Finland, Iceland, Norway and Sweden. The Central Veterinary Administrations of the five countries jointly prepared a scenario which involved about 40 livestock holdings, 4 reindeer flocks, 6 slaughterhouses and approximately 500 people. An Excel spreadsheet with information on the events to take place and the timetable to follow during the exercise was a valuable tool for ensuring that the exercise was kept on track. The evaluation of the exercise dealt both with inter-Nordic activities and the activities of individual countries.

Measures applied in Denmark to control the rabies epizootic in 1977-1980.

Rabies reappeared in Denmark close to its southern border during the autumn of 1977 after having been absent since 1970. A combat area adjacent to the border was immediately established. Measures applied within the area to control the disease included compulsory vaccination of all dogs and a reduction of the fox population by gassing with cyanide, strychnine poisoning and shooting. A total of 371 laboratory confirmed cases of rabies have been recorded during 1977-1980; in 1977 (6), 1978 (163), 1979 (165) and in 1980 (37). Rabies has been reported in the following species: fox (306), cattle (40), marten (18), sheep (5), horse (1) and deer (1). There has been no human, canine nor feline rabies during the epizootic.

Effect of dry versus wet bowl environment on pet turtles.

Recently hatched, certified Salmonella-free, red-eared slider turtles (Pseudemys scripta elegans) were obtained from a commercial breeder. Half of the turtles were kept in a traditional wet-bowl environment, whereas the other half lived in individual dry-bowl environments, except for 30 minutes each day when they were immersed in water and were fed. Both groups were fed commercial turtle food. During the 26 weeks of the study, individual weight and general observations were recorded for each turtle. Neither Salmonella nor Arizona bacteria were recovered from the turtles, their food, or their bowen environments. Histologic observations were completed on organs of both groups. Turtles maintained in the dry-bowl environment ate poorly, were considerably less active and less developed histologically, and lost significantly more weight than those turtles living in the wet bowl environment. Neither the environment nor the feeding program were found to be satisfactory for prolonged household maintenance of pet turtles.

Bdellovibrio and the intestinal flora of vertebrates.

Bdellovibrio strain MS7 force-fed to fish and frogs via an intragastric tube did not become an integral component of the intestinal microflora. Strain MS7 fed to mice in drinking water was not recovered from the intestinal tract of mice. However, in vitro, the organism multiplied in intestinal contents of frogs and mice. Bdellovibrio inoculated into rabbit ileal loops was greatly reduced in number within 24 h. It was concluded that strains MS7 could be considered nonpathogenic to animals, at least when introduced into the digestive tract, and that it is not feasible at the present time to lyse pathogenic, gram-negative bacteria in the alimentary tract with Bdellovibrio.

Antigenicity of bdellovibrios.

Antigenic relationships between 12 locally isolated bdellovibrios and 3 established reference strains (109D, 6-5-S, and UKi2) were investigated. Antigenicity of the strains was examined by use of the micro-complement fixation test, the serum and complement bactericidal test, and the immunodiffusion test. Antisera were prepared against one of the local strains (MS7) and against one of the established reference strains (UKi2). The complement fixation titers suggest a close relationship among all strains. Immunodiffusion tests produced lines of identity between the homologous strain MS7 and all other strains. It is suggested on the basis of these results that bdellovibrio may possess a common antigen.