Farm economic impacts of bovine Johne's disease in endemically infected Australian dairy herds

SHEPHARD, RW; Williams, S.; Beckett, SD

doi:10.1111/avj.12455

Cited by 19 publications

(22 citation statements)

References 11 publications

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“…Because MAP infection is associated with a lower body weight [25, 26], the slaughter value of infected cattle is reduced [4, 19, 20, 27, 28]. Costs after culling are the loss of unrealised future income by culling an individual [4, 29, 30].…”

Section: Introductionmentioning

confidence: 99%

“…The total annual economic losses per cow in infected USA dairy herds were estimated at US$21 to US$79 [20, 31–34] while those in infected Australian, Canadian, French, and UK dairy herds were estimated at A$45-A$88 [29, 35], CDN$49 [36, 37], €234 [38] and GBP27 [39], respectively. In ‘average’ Dutch dairy herds (both infected and uninfected), these losses were estimated at up to €67 per cow per year [32].…”

Section: Introductionmentioning

confidence: 99%

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Control of paratuberculosis: who, why and how. A review of 48 countries

et al. 2019

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Paratuberculosis, a chronic disease affecting ruminant livestock, is caused by Mycobacterium avium subsp. paratuberculosis (MAP). It has direct and indirect economic costs, impacts animal welfare and arouses public health concerns. In a survey of 48 countries we found paratuberculosis to be very common in livestock. In about half the countries more than 20% of herds and flocks were infected with MAP. Most countries had large ruminant populations (millions), several types of farmed ruminants, multiple husbandry systems and tens of thousands of individual farms, creating challenges for disease control. In addition, numerous species of free-living wildlife were infected. Paratuberculosis was notifiable in most countries, but formal control programs were present in only 22 countries. Generally, these were the more highly developed countries with advanced veterinary services. Of the countries without a formal control program for paratuberculosis, 76% were in South and Central America, Asia and Africa while 20% were in Europe. Control programs were justified most commonly on animal health grounds, but protecting market access and public health were other factors. Prevalence reduction was the major objective in most countries, but Norway and Sweden aimed to eradicate the disease, so surveillance and response were their major objectives. Government funding was involved in about two thirds of countries, but operations tended to be funded by farmers and their organizations and not by government alone. The majority of countries (60%) had voluntary control programs. Generally, programs were supported by incentives for joining, financial compensation and/or penalties for non-participation. Performance indicators, structure, leadership, practices and tools used in control programs are also presented. Securing funding for long-term control activities was a widespread problem. Control programs were reported to be successful in 16 (73%) of the 22 countries. Recommendations are made for future control programs, including a primary goal of establishing an international code for paratuberculosis, leading to universal acknowledgment of the principles and methods of control in relation to endemic and transboundary disease. An holistic approach across all ruminant livestock industries and long-term commitment is required for control of paratuberculosis. Electronic supplementary material The online version of this article (10.1186/s12917-019-1943-4) contains supplementary material, which is available to authorized users.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Control of paratuberculosis: who, why and how. A review of 48 countries

et al. 2019

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“…When assessing the impact of paratuberculosis, its potential for spreading and efficacy of different surveillance and control measures, the problems of the lack of empirical data and scarce resources can be overcome to a certain extent by the use of different mathematical and computational methods. In the case of paratuberculosis, these methods were used to study: the disease dynamics at the herd level (23)(24)(25), between-herd transmission and spread potential (11,26), evaluation of the surveillance systems and control measures (27)(28)(29), and assessment of economic consequences of the disease and control measures (30)(31)(32)(33)(34).…”

Section: Introductionmentioning

confidence: 99%

Implications of Cattle Trade for the Spread and Control of Infectious Diseases in Slovenia

et al. 2020

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“…A benefit–cost analysis of control methods of bovine Johne's disease (BJD) in Victorian dairy herds revealed that endemic BJD resulted in modest but persistent losses in typical infected herds. Cost‐effective control of this disease include using test‐and‐cull, vaccination or combined test‐and‐cull with vaccination …”

Section: Production Animalsmentioning

confidence: 99%

“…Cost-effective control of this disease include using test-and-cull, vaccination or combined test-and-cull with vaccination. 4 With a review of the management of JD underway, deregulation may put the onus of disease control on producers, which means that in order to make informed decisions dairy farmers need to know the effect of uncontrolled BJD in herds, as well as the expected effectiveness, timeliness and cost and benefits of control program options. Current control programs in Australia use individual animal testing to identify and cull infected animals.…”

Section: Production Animalsmentioning

confidence: 99%