一些农药和兽药的ADI值

介绍了澳大利亚国家健康与医药研究和药物管理局的前农药与农用化学品专家委员会推荐使用的农用化学品和兽药的ADI值.     

Mechanisms of resistance to chemicals in arthropod parasites of veterinary importance

This review evaluates the significance, for ectoparasites, of the four resistance mechanisms that have emerged in arthropods as defence against chemicals used for their control. In particular the contrast of the relative importance of each mechanism in each of the major ectoparasitic pests of economic importance (sheep blowflies, mosquitoes and ticks) is discussed. Use is made of the experience gained in attempting to overcome these mechanisms to assess the consequences of resistance, and the chances for prolonging the useful life of pesticides, by suppressing the mechanisms, as an alternative to seeking replacement compounds.     

Rural veterinary services in Western Australia: Part A. Government veterinary services

OBJECTIVE: To determine the status of rural veterinary services in Western Australia. PROCEDURE: Two questionnaires were mailed to eligible, registered veterinary surgeons in Western Australia in 2006. The first was mailed to government veterinarians and the second to private practitioners in rural practice. Part A presents the replies from government veterinary officers and Part B the replies from rural practitioners. Replies were transferred to Microsoft Excel for analysis. RESULTS: Sixty-seven per cent of government veterinary officers responded to the questionnaire. Eighty per cent of these had been in the service for 20 years or more and their average age was 54. Work with sheep and beef cattle occupied 75% of their time, with dairy cattle receiving 10% and pigs and poultry less than 10%. The majority of respondents reported changes in the attitude of farmers to the service as a result of rural recessions and the decision to make a direct charge for government veterinary services. Although most respondents thought that the government veterinary service would continue in the future there were differences of opinion as to what form that would take. CONCLUSION: Government veterinary services in Western Australia are undergoing major changes, with the service decreasing in size and scope. Recently the Department of Agriculture has been renamed the Department of Agriculture and Food and it is likely that the role of its veterinary officers will change accordingly.     

Snake bites recorded by veterinary practices in Australia

Objective To determine the extent of the snake bite problem in domestic animals, its regional significance and the effects of antivenom treatment.
Design A questionnaire was designed seeking information on the number and type of domestic animals referred, whether treated or untreated, type of snakes and management of the bite.
Procedure The survey form was sent to 10% of veterinary surgeons, selected at random throughout Australia.
Results The response of 106 veterinary surgeons revealed that snake bite in domestic animals is frequent, with an estimated 6200 cases reported annually. Bites were more prominent in rural (78%) than urban areas (22%) with brown, tiger and black snakes accounting for 76%, 13% and 6% of cases, respectively. Cats and dogs were the most frequently reported victims. Ninety-one percent of cats and 75% of dogs survived following the administration of antivenom whereas 66% of cats and 31% of dogs survived without antivenom. Overall, in 33% of cases antivenom was not used, and venom detection kits were used in only 1% of cases. A number of drugs were used in various combinations with or without antivenom and intravenous fluids in the treatment of animals with snake bite, but their role in reducing the severity of envenomations was not assessed.
Clinical implications Antivenom significantly improves the chances of survival of domestic animals bitten by snakes.     

Accreditation of veterinary schools in Australia and New Zealand

Veterinary schools in Australia and New Zealand are assessed for accreditation purposes every six years by the Veterinary Schools Accreditation Advisory Committee (VSAAC), which is a standing committee of the Australasian Veterinary Boards Council (AVBC).1 Prior to undertaking an assessment, VSAAC requests a Self Evaluation Report from the school and subsequently spends a week on site to collect additional information. The committee also takes into consideration other quality assurance procedures within the university and aims for a process that complements other evaluation activities. Internal evaluation procedures within VSAAC are designed to reflect the process and outcomes of each visit and lead to annual revisions of the publication Policies, Procedures and Guidelines publication. The committee has close links with the Royal College of Veterinary Surgeons (RCVS), and there is a routine exchange of observers on all visits in the United Kingdom and Australasia. In recent years VSAAC has become increasingly interested in looking at ways to place greater emphasis on the outcomes of veterinary education and, eventually, to reduce our reliance on input measures. There has been good progress in identifying desirable attributes for veterinary graduates, but further work is needed to establish the reliability of assessment procedures. The Australasian accreditation system is very supportive of recent moves to achieve greater compatibility of veterinary accreditation systems in different parts of the world because we believe it has the potential to assist globalization of animal disease control and veterinary education.     

Analysis of the costs of veterinary education and factors associated with financial stress among veterinary students in Australia

Objective

To investigate the course‐related and other costs involved in obtaining a veterinary education in Australia and how these costs are met. The study also aimed to identify sociodemographic and course‐related factors associated with increased financial stress.

Methods

Students from seven Australian veterinary schools were surveyed using an online questionnaire. A total of 443 students participated (response rate 17%). Responses to survey items relating to finances, employment and course‐related costs were compared with sociodemographic factors and prior research in the area of student financial stress.

Results

Respondents reported spending a median of A$300 per week on living costs and a median of A$2,000 per year on course‐related expenses. Over half of respondents received the majority of their income from their parents or Youth Allowance (56%). A similar proportion (55%) reported that they needed to work to meet basic living expenses. Circumstances and sociodemographic factors linked to perceived financial stress included requiring additional finances to meet unexpected costs during the course; sourcing additional finances from external loans; an expected tuition debt at graduation over A$40,000; being 22 years or older; working more than 12 hours per week; living costs above A$300 per week; and being female.

Conclusion

The costs involved in obtaining a veterinary education in Australia are high and over half of respondents are reliant on parental or Government income support. Respondents with certain sociodemographic profiles are more prone to financial stress. These findings may have implications for the psychological health, diversity and career plans of veterinary students in Australia.     

Rural veterinary services in Western Australia: Part B. Rural practice

OBJECTIVE: To determine the current status of rural veterinary services in Western Australia. PROCEDURE: A questionnaire was sent to all eligible rural practitioners registered in 2006 and the replies were transferred to Microsoft Excel for analysis. RESULTS: Of the rural practitioners invited to participate in the survey replies were received from 67%. There were equal numbers of females and males. Their mean age was 44 years. Ninety per cent of respondents considered knowledge gained as an undergraduate was sufficient to equip them for practice, but only 60% considered their practical skills adequate. Thirteen per cent of those in rural practices in 2005 had left by 2006. Eighty-nine per cent of respondents were in mixed practice, the balance in specific species practice, such as equine, large animal and production animal consultancy. The majority of rural practitioners relied on servicing companion animals for their viability; 7% earned their income from servicing production animals only. Seventy per cent utilised merchandising and the sale of pet foods to supplement the income received from the traditional veterinary services and 34% found it necessary to earn an independent income. A quarter considered that rural practice did not have a future. CONCLUSION: The majority of rural practitioners in Western Australia depend on companion animals, not production animals, to remain viable, with very few operating production animal services. Poor remuneration is a major reason why veterinarians leave rural practice, and many find it necessary to supplement their income or develop an independent income.     

Training in animal handling for veterinary students at Charles Sturt University, Australia

Charles Sturt University in New South Wales, Australia, is responding to a national need for veterinarians with the skills and attributes to fulfill roles in rural practice and the large-animal industries. Rural practitioners must competently and confidently handle a range of large animals if they are to build a relationship of mutual trust with clients and deliver effective animal-health services. Training in animal handling begins in the first year of the course with highly structured small-group practical classes involving cattle, horses, sheep, dogs, cats, pigs, poultry, and laboratory animals (rats and mice). Other experiences with animals in the first three years build on basic animal-handling skills while performing other veterinary activities. Students who provide documented evidence of prior animal-handling experiences are admitted, and learning and teaching strategies aim to enhance skills and knowledge. Rigorous examinations use a competency-based approach prior to extramural placements on farms and in veterinary practices. A continuing process of evaluation, review, and refinement will ensure continual improvement and graduate veterinarians with strong skills in animal handling.     

From horse doctor to cow leech to veterinary manager. Regulation of the market for veterinary services in historical perspective

In the course of the last two centuries veterinarians succeeded in gaining a monopoly with respect to a number of specific tasks within society under the motto "to the benefit of man and animal alike". Today, a veterinary infrastructure exists in the western world, which is usually taken for granted by society. Before the responsibility for maintaining animal resources and protecting both animal and human health were entrusted to veterinarians, both the process of scientific progress and professionalization of veterinary medicine were necessary. In this paper the regulation of the market for veterinary services in The Netherlands is decribed. Until World War II, the military and the colonies represented a major demand for veterinary services. A healthly livestock has always been considered as a main concern by the Dutch government with respect to the domestic food supply as well as exports. State intervention concerning veterinary medicine therefore focused on the organized campaigns against livestock diseases. Early national veterinary legislation originated from this concern, as is still the case today within the EU framework. The protection of human health only became part of the veterinary professional domain at a relatively late stage. Due to a strong economic growth from the 1960s onwards, veterinary practice was extended with the care for an increasing number of companion animals. The veterinary profession and its employment are subject to changes in society, such as the number of animals and the significance that is paid to the different species. In 1900 there were 4 million production animals in The Netherlands, while the human population counted 5 million. One century later, not less than approximately 130 million farm animals and 30 million companion animals are living in this country, which now has about 16 million inhabitants. Consquently, the total number of active vets increased from about 250 to 4,000 in the same period, while the number of group and solo practices both increased.