Modelling the impact of targeted anthelmintic treatment of cattle on dung fauna

Cooke, Andrew S.; Morgan, Eric R.; Dungait, Jennifer A. J.

doi:10.1016/j.etap.2017.07.012

Cited by 22 publications

(8 citation statements)

References 32 publications

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“…Side-effects of anthelmintics as a consequence of 'leakage' into the environment, such as on non-target fauna [30] and onward impacts on their ecology and ecosystem service provision [31] need to be better understood and balanced against the beneficial impacts of treatment. The direct costs of anthelmintic resistance include the cost of the ineffective drug, the labour wastage in administering the ineffective drug, and the failure of adequate control leading to reduced production of meat and milk on a per hectare and per animal basis.…”

Section: Costing Environmental Impacts Of Drugs and Drug Resistancementioning

confidence: 99%

100 Questions in Livestock Helminthology Research

Morgan

Aziz

Blanchard³

et al. 2019

Trends in Parasitology

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An elicitation exercise was conducted to collect and identify pressing questions concerning the study of helminths in livestock, to help guide research priorities. Questions were invited from the research community in an inclusive way. Of 385 questions submitted, 100 were chosen by online vote, with priority given to open questions in important areas that are specific enough to permit investigation within a focused project or programme of research. The final list of questions was divided into ten themes. We present the questions and set them briefly in the context of the current state of knowledge. Although subjective, results provide a snapshot of current concerns and perceived priorities in the field of livestock helminthology, and we hope will stimulate ongoing or new research efforts.

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Section: Costing Environmental Impacts Of Drugs and Drug Resistancementioning

confidence: 99%

100 Questions in Livestock Helminthology Research

Morgan

Aziz

Blanchard³

et al. 2019

Trends in Parasitology

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“…The effect of helminth control on water use remains to be assessed but is likely to be beneficial, given the vast water requirements for maintenance and production (Ridoutt and Hodges, 2017) and the negative impact of helminths on input–output conversion (van der Voort et al 2014). On the other hand, there are undesired side-effects of helminth control such as labour input, AR development and leakage of anthelmintic residues in the environment (Cooke et al 2017) or food products (Kang et al 2017).…”

Section: Rational Integration For Future Control Practicesmentioning

confidence: 99%

“…An anticipated benefit of a change from preventive to therapeutic or highly targeted treatments is that AR will develop less quickly against new anthelmintics, thus preserving a longer period of efficacy. Environmental impacts of treatment are also likely to reduce (Cooke et al 2017).…”

Section: The Use Of Anthelmintics By 2030mentioning

confidence: 99%

Control of helminth ruminant infections by 2030

Charlier²,

et al. 2018

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Helminth infections have large negative impacts on production efficiency in ruminant farming systems worldwide, and their effective management is essential if livestock production is to increase to meet future human needs for dietary protein. The control of helminths relies heavily on routine use of chemotherapeutics, but this approach is unsustainable as resistance to anthelmintic drugs is widespread and increasing. At the same time, infection patterns are being altered by changes in climate, land-use and farming practices. Future farms will need to adopt more efficient, robust and sustainable control methods, integrating ongoing scientific advances. Here, we present a vision of helminth control in farmed ruminants by 2030, bringing to bear progress in: (1) diagnostic tools, (2) innovative control approaches based on vaccines and selective breeding, (3) anthelmintics, by sustainable use of existing products and potentially new compounds, and (4) rational integration of future control practices. In this review, we identify the technical advances that we believe will place new tools in the hands of animal health decision makers in 2030, to enhance their options for control and allow them to achieve a more integrated and sustainable approach to helminth control in support of animal welfare and production.

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“…In the control of PGE, the concept of treating only individuals that would benefit most from anthelmintic treatment is becoming established as an approach that can mitigate the potential risk not only of anthelmintic resistance (Kenyon et al, 2013), but also environmental impact (Cooke et al, 2017), by enhancing the size of the refugia. Amongst domestic ruminants, most work on TST has been conducted in youngstock and the most promising marker is not in fact a parasitological measure, but daily live weight gain (Busin et al, 2014;Jackson et al, 2017), which has been shown to be a good surrogate for adverse effects of PGE in both lambs and young cattle.…”

Section: Targeted Selective Treatment (Tst)mentioning

confidence: 99%

Lungworm in cattle: treatment and control

Forbes

2018

Livestock

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Treatment options for clinical parasitic bronchitis (PB) are largely based on anthelmintics, with supportive therapy including non-steroidal anti-inflammatories (NSAIDs) and antibiotics, when indicated. Macrocyclic lactones (MLs), benzimidazoles and levamisole are all effective against adult and larval lungworms, so the choice of product depends on other criteria, including duration of action and ease of administration, which can be important in dyspnoeic animals. Control of PB in youngstock can be accomplished through the use of anthelmintics in early-season strategies designed to limit pasture D. viviparus larval populations, but are not easy to implement in herds other than on autumn-calving dairy farms. Likewise, though vaccination provides predictable control of PB in youngstock, it is best suited to calves from autumn calving herds, however, it can also be used pre-turnout as a 'booster' in previously exposed, older cattle. Grazing management has a limited role to play in the control of PB both because of unreliability and because some of the recommendations run counter to recommended grassland management practices. Veterinary clinicians need to familiarise themselves with all possible options and outcomes for the control of PB and tailor their recommendations to the individual farm and farmer.

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Modelling the impact of targeted anthelmintic treatment of cattle on dung fauna

Cited by 22 publications

References 32 publications

100 Questions in Livestock Helminthology Research

100 Questions in Livestock Helminthology Research

Control of helminth ruminant infections by 2030

Lungworm in cattle: treatment and control

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