Nematode control in ‘green’ ruminant production systems

Waller, P.J.; Thamsborg, Stig Milan

doi:10.1016/j.pt.2004.07.012

Cited by 139 publications

(97 citation statements)

References 43 publications

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“…The biological control with nematophagous fungi are well documented all over the world. The fungus Duddingtonia flagrans is relatively easy to culture and can be released in the environment against the targeted parasites in a controlled fashion (FAO 2002;Waller and Thamsborg 2004). So, it is widely used to control gastro-intestinal parasites of grazing animals by reducing pasture load (Waller et al 2006;Sanyal et al 2008).…”

Section: Biological Controlmentioning

confidence: 99%

Internal parasite management in grazing livestock

et al. 2012

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It is a challenging task to control internal parasites in grazing livestock even by applying multi label and multi directional approach. It is impossible to draw general recommendations to control parasitic diseases due to varied geo-climatic conditions and methods adopted for rearing the livestock in the country like India. In view of increasing incidence of anti-parasitic drug resistance in animals, there is an urgent need to design sustainable parasite control strategy which must include on the host as well as off the host control measures to harvest the maximum productivity from the animal for an indefinite period.

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Section: Biological Controlmentioning

confidence: 99%

Internal parasite management in grazing livestock

et al. 2012

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“…Pilarczyk et al (2008) have shown that the prevalence of gastrointestinal nematode infections in conventional operations is more than twice as high as in intensive farming (79.0 % vs. 30.6 %, respectively). There are a few other methods of parasite control currently used in organic production systems, such as rational pasture management (Cabaret et al, 2002;Torres-Acosta & Hoste, 2008), exploitation of intrinsic/genetic resistance of sheep (Nowosad et al, 2003), or nutritional modulation of the host's immune responses and gut environment (Waller & Thamsborg, 2004). The latter refers to controlled grazing on bioactive forages or feeding condensed tannins as nutraceuticals (Min & Hart, 2003;Tzamaloukas et al, 2005;Torres-Acosta & Hoste, 2008;Houdijk et al, 2012), although controversy regarding the use of tannins is constantly rising as their excessive consumption has been associated with the reduction in food intake and digestibility as well as impaired rumen metabolism (Athanasiadou et al, 2007).…”

Section: Resultsmentioning

confidence: 99%

“…The prophylaxis of gastrointestinal helminthiases in sheep typically entails the use of injectable anti-helminthic drugs. However, the incidents of drug-resistant populations of worms along with the emerging trend to limit the application of chemical agents, especially in organic farming, has prompted the development of alternative approaches to anti-parasitic therapies (Cabaret et al, 2002;Waller & Thamsborg, 2004;Torres-Acosta & Hoste, 2008). A broad range of ethnoveterinary therapeutic products, most of them utilizing various medicinal plants with anti-parasitic effects, are currently being evaluated (Akhtar et al, 2000;Waller et al, 2001;Githiori et al, 2006;Athanasiadou et al, 2007).…”

Section: Introductionmentioning

confidence: 99%

Assessing the usefulness of mineral licks containing herbal extracts with anti-parasitic properties for the control of gastrointestinal helminths in grazing sheep – a field trial

et al. 2016

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SummaryOne of the alternative methods of parasite control, of particular importance in sustainable farming, is the use of medicinal plants. The specifi c aim of the present fi eld trial was to assess the anti-parasitic effects of herbal extracts contained in a commercially available lick formulation for sheep. At the outset of this study conducted during the grazing season, all animals were de-wormed and then randomly assigned to one of the two separately kept groups (treatment and control), each consisting of 25 animals (11 ewes and 14 lambs). The treatment group received mineral licks containing the extracts of the plants with anti-parasitic properties, while control animals received standard mineral licks ad libitum. Rectal fecal samples were collected monthly from all animals for the McMaster analyses. There were no signifi cant differences in the prevalence and intensity of helminth infections between the treatment and control groups. Thus, we were not able to ascertain the effi cacy of the commercial herbal de-wormer tested for the control of gastrointestinal helminths in grazing ewes and their lambs.

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“…Fato relevante devido ao surgimento de parasitos resistentes aos antiparasitários e aos seus onerosos custos, bem como, pela crescente busca humana por uma vida saudável, usufruindo de alimentação segura e de qualidade, provinda de um sistema de agricultura sustentável (Waller & Thamsborg 2004).…”

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Resistência contra ectoparasitas em bovinos da raça Crioula Lageana e meio-sangue Angus avaliada em condições naturais

et al. 2014

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Pesq. Vet. Bras. 34(2):141-146, fevereiro 2014 141 RESUMO.-Este trabalho foi desenvolvido com o objetivo de avaliar a resistência aos ectoparasitas em bovinos jovens da raça Crioula Lageana e meio-sangue Angus em condições naturais. Foram utilizados 10 machos castrados em cada grupo, recém desmamados (6-8 meses) e mantidos sob as mesmas condições de manejo, em pastagens cultivadas de inverno e verão, no município de Monte Castelo -SC, sofrendo infestação natural por ectoparasitas. A cada 28 dias, fêmeas de carrapatos (Rhipicephalus (Boophilus) microplus) com tamanho acima de 4 mm foram quantificadas nos dois lados do corpo de cada animal, bem como os nódulos com larvas de Dermatobia hominis. A espessura da capa do pelame foi também avaliada a cada coleta e os animais foram classificados quanto à coloração do pelame. Os animais da raça Crioula Lageana foram mais resistentes às infestações por D. hominis e R. microplus. Não houve diferença entre a disposição de carrapatos e bernes conforme os lados direito e esquerdo dos animais. Os animais de pelagem escura albergaram a maior porcentagem de ectoparasitas nos grupos avaliados. This study was carried out to evaluate the breed resistance against ectoparasites infestations in Crioula Lageana and crossbred Angus male calves under natural condition. Ten weaned and neutered male calves (6-8 months) of each group were kept together in winter and summer pastures in Monte Castelo, Santa Catarina State. Every 28 days, female ticks (Rhipicephalus (Boophilus) microplus) more than 4 mm long were counted on the right and left side of the body of each animal, as well as the D. hominis nodules. Coat thickness also was measured at each sampling and all animals were classified according coat color. Crioula Lageana group was less infested by D. hominis than crossbred Angus in five times and by ticks in the infestation peak (P<0.05). There were no differences in the distribution of the ticks and grubs between animal body sides. Dark-haired animal in both groups were the most susceptible.

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Nematode control in ‘green’ ruminant production systems

Cited by 139 publications

References 43 publications

Internal parasite management in grazing livestock

Internal parasite management in grazing livestock

Assessing the usefulness of mineral licks containing herbal extracts with anti-parasitic properties for the control of gastrointestinal helminths in grazing sheep – a field trial

Resistência contra ectoparasitas em bovinos da raça Crioula Lageana e meio-sangue Angus avaliada em condições naturais

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