Efficacy of abamectin against nematodes in cattle

Heinze-Mutz, E. M.; Pitt, S.R.; Bairden, K; Baggott, D.G.; Armour, J.; Barth, D.; Cramer, LG

doi:10.1136/vr.132.2.35

Cited by 9 publications

(2 citation statements)

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“…For routine purposes, infective Cooperia species larvae cannot be identified to a species level and therefore the exact composition of the mixture of Cooperia larvae was not known. The composition of the burden of Cooperia species observed in both trials was similar to that observed after the use of the same isolates in previous studies (Heinze‐Mutz and others 1993, Pitt and others 1996, B. N. Kunkle, unpublished observations). The infection rates varied between the species.…”

Section: Resultssupporting

confidence: 86%

Evaluation of the persistence of the effect of ivermectin and abamectin against gastrointestinal and pulmonary nematodes in cattle

et al. 1997

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The persistence of the effect of ivermectin and abamectin against gastrointestinal nematodes and lungworm in cattle was evaluated in two trials, each involving 28 animals. Groups of seven cattle either remained untreated, or were treated topically with ivermectin at 500 micrograms/kg bodyweight or subcutaneously with either ivermectin or abamectin at 200 micrograms/kg bodyweight. Starting on the day of treatment the cattle were given daily trickle infections with various infective nematode larvae for two weeks (Haemonchus species, Trichostrongylus axei and Cooperia species), three weeks (Ostertagia ostertagi and Oesophagostomum radiatum) and four weeks (Dictyocaulus viviparus). The cattle were killed 49 to 51 days after treatment and their worm burdens measured. An efficacy of > 99 per cent was recorded in all the groups demonstrating that the products controlled Haemonchus species, T axei, C oncophora, C punctata and C surnabada for at least two weeks, O ostertagi and O radiatum for at least three weeks and D viviparus for at least four weeks.

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Section: Resultssupporting

confidence: 86%

Evaluation of the persistence of the effect of ivermectin and abamectin against gastrointestinal and pulmonary nematodes in cattle

et al. 1997

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“…Sua eficácia já foi demonstrada para o controle de ectoparasitos e nematoides de bovinos e sua eficácia é superior a 90% durante em média 28 dias (Abridi et al, 1992;Cruz et al, 1993;Heinze-Mutz et al, 1993a, 1993bGuglielmone et al, 1999).…”

Section: Discussionunclassified

Eficácia carrapaticida e preventiva sobre Rhipicephalus microplus da associação de abamectina com fluazuron em bovinos artificialmente infestados

Coelho¹,

Campos²,

Avelar³

et al. 2017

Braz. J. Vet. Med.

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Copyright Rocha et al. Este é um artigo publicado em acesso aberto (Open Access) sob a licença Creative Commons Attribution Non-Commercial, que permite uso, distribuição e reprodução em qualquer meio, sem restrições desde que sem fins comerciais e que o trabalho original seja corretamente citado.Eficácia carrapaticida e preventiva sobre Rhipicephalus microplus da associação de abamectina com fluazuron em bovinos artificialmente infestados resumo O objetivo deste trabalho foi avaliar a eficácia carrapaticida e preventiva da associação de abamectina 0,6% com fluazuron 3,0% em bovinos artificialmente infestados. Foram selecionados 12 bovinos, mantidos estabulados, mestiços das raças Gir x Holandês, machos, compondo seis animais por grupo. Os animais do grupo controle não receberam nenhum tipo de tratamento, enquanto que os animais do grupo tratado receberam a formulação da associação na dose única de 600 mcg de abamectina com 3 mg de fluazuron por quilo de peso corporal, por meio de via "pour-on". As infestações, dos grupos controle e tratado, foram realizadas com 2.500 larvas de Rhipicephalus microplus, nos dias -23, -21, -19, -17, -15, -13, -11, -9, -7, -5, -3, -2, -1 e a coleta de teleóginas foi realizada diariamente, dos dias -3 ao +91. Para a avaliação da eficácia preventiva, as infestações prosseguiram nos dias +7, +14, +21,+28, +35, +42, +49, +56, +63, +70 e a coleta de teleóginas seguiu diariamente até o dia +94. A eficácia contra a reinfestação foi calculada nos dias +7, +14, +21, +28, +35, +42 +49, +56, +63 e +70. A análise estatística entre as médias de teleóginas recuperadas entre os grupos controle e tratado demonstrou que ocorreu diferença significativa (p≤0,05) para todas as tomadas de tempo posteriores ao tratamento. O produto em teste apresentou resultados de eficácia carrapaticida de 0,00%; 6,81%; 62, 64%; 85,11%; 98,38%; 97,38%; 96,84%; 97,63%; 98,14%; 97,32%; 97,54%; 98,11%; 99,22%; 97,93%; 98,13%; 96,78%; 96,17%; 99,05%; 98,57%; 98,59%; 97,23%; 96,10%; 99,31% respectivamente para os dias experimentais +1, +2, +3, +4, +5, +6, +7, +8, +9, +10, +11, +12, +13, +14, +15, +16, +17, +18, +19, +20, +21, +22, +23 para o grupo tratado. A média da eficácia ao longo dos 23 dias após o tratamento foi de 97,8%. O resultado da eficácia preventiva foi de 98,12%; 98,68%; 98,36%; 97,88%; 96,76%; 96,45%; 96,84%; 97,03%; 95,36% e 87,07% respectivamente para os dias experimentais +7, +14, +21, +28, +35, +42, +49, +56, +63, +70. A associação de abamectina 0.6% com fluazuron 3.0% foi eficaz na prevenção contra a reinfestação por larvas de R. microplus por até 60 dias pós-tratamento.Palavras-chave: controle, Rhipicephalus microplus, ruminantes. AbstractThe purpose of the research was to evaluate the acaricide and preventive efficacy of association abamectina 0.6% and fluazuron 3.0% in control of Rhipicephalus microplus in artificial infestations cattle.Were selected 12 cattle, that were kept stabled, crossbreeds Gir x Dutch, males, composing six animals per group. The control group animals received no treatment, whi...

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Effect of abamectin on haemolymph and ovarian proteins during the reproductive cycle of female Argas (Persicargas) arboreus (Acari: Argasidae)

Abotaleb,

Shanbaky,

Helmy

et al. 2024

J.Umm Al-Qura Univ. Appll. Sci.

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The avian tick Argas (Persicargas) arboreus is a vector of pathogens infecting the nestlings of the agriculturally beneficial bird, the buff-backed heron in Egypt. The topical treatment of the fed-mated (engorged) female A. (P.) arboreus with a sublethal dose of abamectin (10 µl 10 ppm/female) on the 3rd day after feeding (daf), reduced the concentration of total protein in the haemolymph (HL) by 13–66%, in the ovary by 30–54%, and in freshly deposited eggs by 11–16%, compared to untreated females during vitellogenesis and oviposition. However, the treatment did not prevent vitellogenesis and oviposition but reduced the number of mature oocytes (stages III–V) and deposited eggs. Additionally, it delayed the onset and slowed the progress of each process in the treated females. The application of abamectin at the onset of vitellogenesis (on the 3rd daf) in normal female and the prominent decrease inHL total protein concentration in treated female on the 4th daf pointed to a probable interference of abamectin with the release of the vitellogenesis-inducing factor (VIF) and/or other subsequent hormone(s) known to regulate vitellogenesis in this argasid tick species. Graphical abstract

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Efficacy of abamectin against nematodes in cattle

Cited by 9 publications

References 0 publications

Evaluation of the persistence of the effect of ivermectin and abamectin against gastrointestinal and pulmonary nematodes in cattle

Evaluation of the persistence of the effect of ivermectin and abamectin against gastrointestinal and pulmonary nematodes in cattle

Eficácia carrapaticida e preventiva sobre Rhipicephalus microplus da associação de abamectina com fluazuron em bovinos artificialmente infestados

Effect of abamectin on haemolymph and ovarian proteins during the reproductive cycle of female Argas (Persicargas) arboreus (Acari: Argasidae)

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