scholarly journals In vitro effect of extract of garlic's wood (Gallesia integrifolia Sprengel) Harms on engorged ticks and larvae of Ripicephalus Boophilus microplus

2018 ◽  
Vol 11 (5) ◽  
pp. 99-103
Author(s):  
A. S. Dias ◽  
A. M. Tanure ◽  
R. M. Bertonceli
Keyword(s):  
Herbal Medicine ◽  
Tick Control ◽  
Boophilus Microplus ◽  
Cattle Tick ◽  
Alcoholic Extract ◽  
Hydroalcoholic Extract ◽  
Tropical Area ◽  
Vitro Effect ◽  
Production Losses

The cattle tick Rhipicephalus Boophilus microplus is responsible for high losses in cattle stocking in tropical area, the losses related to parasitism of this agent represents up to 80% of production losses, represented by spoliation, damage to the leather, hematozoa transmission, among others. The problem of increased of resistance to chemical ectoparasiticids has led to the search for new alternatives, among them there is the herbal medicine, in that it is more accessible, less polluting, suspected delay the resistance phenomenon. In this study, it sought to evaluate the efficacy of alcoholic extract of Gallesia integrifolia (garlic's wood) on tick control R. B. microplus. The test was carried out on engorged ticks and on larvae in impregnated papers in vitro. It was found that the hydroalcoholic extract tested at concentrations of 100, 50, 25, 10, 5, 2.5 and 1% was effective on mortality of adult ticks on 100% concentration from about 5% and on larvae, in 10% concentrations. And at 2.5%, the action on the mortality of larvae was considered satisfactory by the official regulatory criteria. These in vitro results are presented favorable regarding the candidacy of G. integrifolia extract for control of R. B. microplus in cattle.

A comparison of cattle tick control by "conventional" acaricidal treatment, planned dipping, and pasture spelling

1964 ◽  
Vol 15 (5) ◽  
pp. 841 ◽  
Author(s):  
KLS Harley ◽  
PR Wilkinson
Keyword(s):  
Tick Infestation ◽  
Tick Control ◽  
Boophilus Microplus ◽  
Control Measures ◽  
Cattle Tick ◽  
Larval Population ◽  
Tropical Area ◽  
The Right ◽  
Tick Burden ◽  
Cattle Tick Control

Three comparable herds of cattle were grazed in a wet tropical area of north Queensland for the comparison of control measures against the cattle tick, Boophilus microplus. The cattle tick infestation of one herd was controlled by simulated "conventional" methods, the cattle receiving acaricidal treatment when the count of "standard" ticks (0.5 cm or more in length) on the right side averaged 20 or more per animal. The tick infestation of the second herd was controlled by dipping in acaricide at 21-day intervals, so that few of the tick larvae attaching to the cattle between dippings reached maturity. This was continued until the larval population in the pasture was greatly depleted. The procedure, for which the term planned dipping has been proposed, was repeated when the count of standard ticks on the right side averaged more than 20 per animal. The tick infestation of the third herd was controlled by grazing alternately in two adjacent paddocks, the interval between each transfer being sufficient to ensure that most of the ticks in the unstocked paddock had died. Acaricidal treatment was applied at times of paddock changes and also at other times if the tick count was more than 20 per animal. This procedure is known as pasture spelling. Over the 2 years of the experiment, planned dipping and pasture spelling resulted in increased efficiency in tick control. In comparison with the herd given conventional tick control, planned dipping resulted in no reduction in the number of acaricidal treatments, but the tick burden was reduced by 79%. Pasture spelling resulted in the number of acaricidal treatments being reduced by 60% and the tick burden by 64%.

scholarly journals Acaricide activity of leaves extracts of Sambucus australis Schltdl. (Caprifoliaceae) at 2% on engorged females of Rhipicephalus (Boophilus) microplus

2011 ◽  
Vol 41 (12) ◽  
pp. 2159-2163 ◽  
Author(s):  
Felipe da Silva Krawczak ◽  
Andréia Buzatti ◽  
Felipe Lamberti Pivoto ◽  
Luís Antônio Sangioni ◽  
Fernanda Silveira Flores Vogel ◽  
...  
Keyword(s):  
Folk Medicine ◽  
Ethanol Extract ◽  
Immersion Test ◽  
Tick Control ◽  
Boophilus Microplus ◽  
Economic Losses ◽  
Cattle Tick ◽  
Active Metabolites ◽  
Parasite Infections

Parasite infections caused by Rhipicephalus (Boophilus) microplus are responsible for the most of economic losses in producing-cattle countries in tropical and subtropical areas. Indiscriminate uses of chemical acaricides have contributed with the appearance of tick resistance to many drugs available in the marketplace, and it is a serious problem in the tick control. Flowers of Sambucus australis (South America), called "sabugueiro-from-Brazil", are used on infusions or decoctions forms in the folk medicine with diuretic, antipyretic, anti-inflammatory, and laxative purpose, also employed for treating respiratory diseases in human. The main goal of this study was to evaluate in vitro potential of S. australis leaves extracts as an acaricide agent. Ethanol extract at 70% has been dehydrated and a fraction was suspended in 70% ethanol or in distillated water at final concentration of 2% (0.2mg-1). Using the immersion test of engorged females the efficiency results were obtained in 34% and 66% with the leaves extract diluted in water and 70% ethanol, respectively. This study is the first report on acaricidal activity of S. australis against cattle tick. Further studies to determine the active metabolites in different stages of S. australis could aid to identify suitable extracts to be tested in the R. (B.) microplus control.

scholarly journals In vitro activity of the hydroalcoholic extract of Chenopodium ambrosioides against engorged females of Rhipicephalus (Boophilus) microplus

2018 ◽  
Vol 84 (0) ◽  
Author(s):  
Eduardo Oliveira ◽  
Manoela da Silva ◽  
Lew Sprenger ◽  
Daniela Pedrassani
Keyword(s):  
High Efficiency ◽  
Boophilus Microplus ◽  
Vitro Activity ◽  
Economic Losses ◽  
Cattle Tick ◽  
Distilled Water ◽  
In Vitro Activity ◽  
Chenopodium Ambrosioides ◽  
Cattle Ticks

ABSTRACT: Rhipicephalus (Boophilus) microplus, known as the cattle tick, is a cause of great economic losses for dairy cattle farming because of its high frequency of occurrence and the difficulty in controlling it. The aim of this study was to evaluate the in vitro activity of Chenopodium ambrosioides extract on R. (B.) microplus. For this purpose, 125 females were selected and classified into five groups according to their weight, in order to ensure that the females used presented homogeneous weight. The treatments comprised 40 and 60% extracts of Chenopodium ambrosioides, distilled water, ethanol (70ºGL) and 12.5% amitraz. The extracts of C. ambrosioides (40 and 60%) showed effectiveness of 99.7 and 100% and higher percentages of dead females than the other treatments: 64 and 96%, respectively (p<0.001). In the groups exposed to distilled water and ethanol (70º GL), 92 and 88% of the females maintained oviposition. In the females exposed to 40 and 60% extracts, oviposition of 36 and 4% occurred, respectively. It was concluded that the extract of Chenopodium ambrosioides, at both concentration evaluated, had high efficiency against engorged females of cattle ticks.

scholarly journals Chemical Composition and Acaricidal Activity of Nemuaron vieillardii Essential Oil against the Cattle Tick Rhipicephalus (Boophilus) microplus

2016 ◽  
Vol 11 (12) ◽  
pp. 1934578X1601101
Author(s):  
Nicolas Lebouvier ◽  
Thomas Hue ◽  
Joseph Brophy ◽  
Edouard Hnawia ◽  
Mohammed Nour
Keyword(s):  
Gas Chromatography ◽  
Chemical Composition ◽  
Essential Oil ◽  
Tick Control ◽  
Acaricidal Activity ◽  
Boophilus Microplus ◽  
Gas Chromatography Mass Spectrometry ◽  
Cattle Tick ◽  
Caryophyllene Oxide ◽  
Human Carcinogen

Essential oil from leaves of Nemuaron vieillardii (Baill.) Baill., a shrub used in the kanak pharmacopeia, was analyzed by gas chromatography and combined gas chromatography-mass spectrometry. The main compounds identified were safrole (49.7%), linalool (8.0%), δ-cadinene (5.1%), caryophyllene oxide (4%) and α-copaene (2.4%). This chemical composition is consistent with leaf oils of the Atherospermataceae family and demonstrates the proximity of the two genera Nemuaron and Atherosperma as regards to their essential oil compositions. The modified Larval Packet Test (LPT) was used to assess acaricidal effect of N. vieillardii essential oil on larvae of the cattle tick Rhipicephalus (Boophilus) microplus and LC50 was then calculated to 14.67%. High content of safrole in this oil which is suspected of being a human carcinogen, poses the problem of the use of this oil in a perspective of development of alternative tick control strategy and in the traditional medicinal consumption of Nemuaron vieillardii.

In vitro diagnosis of resistance of the cattle tick Rhipicephalus (Boophilus) microplus to fipronil in Argentina

2020 ◽  
Vol 82 (3) ◽  
pp. 397-403
Author(s):  
Jorgelina Torrents ◽  
Nicolás Morel ◽  
Maria V. Rossner ◽  
Norberto C. Martínez ◽  
José R. Toffaletti ◽  
...  
Keyword(s):  
Boophilus Microplus ◽  
Cattle Tick ◽  
In Vitro Diagnosis

A ten-year review of commercial vaccine performance for control of tick infestations on cattle

2007 ◽  
Vol 8 (1) ◽  
pp. 23-28 ◽  
Author(s):  
José de la Fuente ◽  
Consuelo Almazán ◽  
Mario Canales ◽  
José Manuel Pérez de la Lastra ◽  
Katherine M. Kocan ◽  
...  
Keyword(s):  
Latin American ◽  
Control Method ◽  
Cost Effective ◽  
Tick Control ◽  
Boophilus Microplus ◽  
Cattle Tick ◽  
Antigen Discovery ◽  
Tick Vaccine ◽  
Latin American Countries ◽  
Selection Of

AbstractTicks are important ectoparasites of domestic and wild animals, and tick infestations economically impact cattle production worldwide. Control of cattle tick infestations has been primarily by application of acaricides which has resulted in selection of resistant ticks and environmental pollution. Herein we discuss data from tick vaccine application in Australia, Cuba, Mexico and other Latin American countries. Commercial tick vaccines for cattle based on the Boophilus microplus Bm86 gut antigen have proven to be a feasible tick control method that offers a cost-effective, environmentally friendly alternative to the use of acaricides. Commercial tick vaccines reduced tick infestations on cattle and the intensity of acaricide usage, as well as increasing animal production and reducing transmission of some tick-borne pathogens. Although commercialization of tick vaccines has been difficult owing to previous constraints of antigen discovery, the expense of testing vaccines in cattle, and company restructuring, the success of these vaccines over the past decade has clearly demonstrated their potential as an improved method of tick control for cattle. Development of improved vaccines in the future will be greatly enhanced by new and efficient molecular technologies for antigen discovery and the urgent need for a tick control method to reduce or replace the use of acaricides, especially in regions where extensive tick resistance has occurred.

A new in vitro test to evaluate the resistance level against acaricides of the cattle tick, Rhipicephalus (Boophilus) microplus

2011 ◽  
Vol 182 (2-4) ◽  
pp. 269-280 ◽  
Author(s):  
L. Lovis ◽  
J.-L. Perret ◽  
J. Bouvier ◽  
J.-M. Fellay ◽  
R. Kaminsky ◽  
...  
Keyword(s):  
Boophilus Microplus ◽  
Cattle Tick ◽  
In Vitro Test ◽  
Resistance Level ◽  
Vitro Test

In vitro and in vivo acaricide action of juvenoid analogs produced from the chemical modification of Cymbopogon spp. and Corymbia citriodora essential oil on the cattle tick Rhipicephalus (Boophilus) microplus

2014 ◽  
Vol 205 (1-2) ◽  
pp. 277-284 ◽  
Author(s):  
Ana Carolina S. Chagas ◽  
Luciana F. Domingues ◽  
Rafaela R. Fantatto ◽  
Rodrigo Giglioti ◽  
Márcia C.S. Oliveira ◽  
...  
Keyword(s):  
Essential Oil ◽  
Chemical Modification ◽  
Boophilus Microplus ◽  
Cattle Tick ◽  
Corymbia Citriodora

Boophilus microplus: the effect of histamine on the attachment of cattle-tick larvae–studies in vivo and in vitro

Parasitology ◽  
1980 ◽  
Vol 80 (3) ◽  
pp. 487-496 ◽  
Author(s):  
D. H. Kemp ◽  
A. Bourne
Keyword(s):  
Prostaglandin E2 ◽  
Host Resistance ◽  
Host Response ◽  
Attachment Site ◽  
Boophilus Microplus ◽  
Circumstantial Evidence ◽  
Cattle Tick ◽  
Larval Behaviour

SummaryCircumstantial evidence suggests that the earlier detachment of Boophilus microplus larvae from highly resistant cattle follows the release of histamine at the attachment site. In vivo and in vitro experiments show that a proportion of the larvae will detach following injection or infusion of histamine. Other mediators such as bradykinin, prostaglandin E2, 5-hydroxytryptamine and dopamine have little or no effect on tick behaviour in vivo. Sensitivity to histamine declines as larval attachments stabilize, and repeated injections have no effect on the weight of larvae after 3 days on the host. Response to histamine is discussed in relation to host resistance, histology of the feeding lesion and larval behaviour.

The spelling of pasture in cattle tick control

1957 ◽  
Vol 8 (4) ◽  
pp. 414 ◽  
Author(s):  
PR Wilkinson
Keyword(s):  
Field Trial ◽  
Tick Infestation ◽  
Tick Control ◽  
Boophilus Microplus ◽  
Cattle Tick ◽  
Frequent Use ◽  
Cattle Tick Control

When two comparable herds of cattle were kept continuously in adjoining paddocks, frequent acaricidal treatment was necessary to control ticks (Boophilus microplus (Canestrini) ). Thereafter, one of the two herds was grazed alternately in its own and an adjacent paddock, the intervals between each transfer being sufficient to ensure that most of the ticks in the unoccupied paddock had died. Tick infestations on this herd were greatly reduced, and less frequent use of acaricides was necessary. The herd remaining in the continuously stocked pasture continued to need acaricidal treatment for recurring tick infestation. In a field trial with 350–400 cattle moved a t intervals to each of three formerly heavily infested paddocks, tick infestations remained very light, although the herd was dipped only In January, September, and the following January. A control herd on continuously stocked pasture, treated at the owner's discretion, required eight dippings in this period. This procedure of "pasture spelling" seems likely to be widely applicable in central Queensland.

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