Economic impact of Rhipicephalus (Boophilus) microplus: estimate of decreased milk production on a dairy farm

Rodrigues, Daniel Sobreira; Leite, Romário Cerqueira

doi:10.1590/s0102-09352013000500039

Cited by 43 publications

(25 citation statements)

References 6 publications

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“…Losses on milk production caused by the cattle ticks R. microplus, were recently estimated by Rodrigues and Leite (51) for the state of Minas Gerais, Brazil. These authors estimated that ticks were responsible for a reduction of 90.24 L of milk per cow per lactation period.…”

Section: Potential Impact Of Cattle Ticksmentioning

confidence: 99%

“…The economic impact is a consequence of direct losses like mortality, abortions, reduction in meat and milk yield, and indirect effects associated with the application of disease and tick control measures. In Argentina, 62 % and 38 % of the financial loss in dairy cattle affected by (51) SIAP-SAGARPA (7) Beef cattle* (56) .…”

Section: Potential Impact Of Cattle Ticksmentioning

confidence: 99%

See 1 more Smart Citation

Potential economic impact assessment for cattle parasites in Mexico. Review

Rodríguez-Vivas

Grisi

León

et al. 2017

Rev. Mex. Cienc. Pecu.

170

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Here, economic losses caused by cattle parasites in Mexico were estimated on an annual basis. The main factors taken into consideration for this assessment included the total number of animals at risk, potential detrimental effects of parasitism on milk production or weight gain, and records of condemnation on livestock byproducts. Estimates in US dollars (US$) were based on reported yield losses in untreated animals. These estimates reflect the major effects on cattle productivity of six parasites, or RESUMENLas pérdidas económicas causadas por parásitos del bovino en México se calcularon anualmente. Los principales factores considerados para esta evaluación incluyeron el número total de animales a riesgo, los posibles efectos dañinos del parasitismo sobre la producción de leche o ganancia de peso, y los decomisos de subproductos pecuarios. Las pérdidas económicas fueron estimadas en dólares americanos (US$) y se basaron en las pérdidas del rendimiento productivo de animales no tratados. Estas estimaciones reflejan los principales efectos de seis parásitos o grupos de parásitos sobre la producción bovina. El impacto económico potencial (millones de dólares) fue: nematodos gastrointestinales US$ 445.10; coccidias (Eim eria spp.) US$ 23.78; duelas del hígado (Fasciola hepatica) US$ 130.91; garrapatas (Rhipicephalus m icroplus) US$ 573.61; mosca de los cuernos (Haem atobia irritans) US$ 231.67; y mosca de los establos (Stom ox ys calcitrans) US$ 6.79. En general, las pérdidas anuales causadas por los seis principales parásitos del bovino en México se estimaron en US$ 1.41 mil millones. Considerando que la población bovina nacional en 2013 fue de 32.40 millones de bovinos, la pérdida anual estimada fue de US$ 43.57 por animal. Se hace mención de las limitaciones que tienen el uso de algunas referencias para las estimaciones, particularmente cuando se extrapolan situaciones locales a una escala nacional. Sin embargo, el resultado general obtenido en este estudio demuestra la magnitud e importancia del parasitismo en el ganado de México y los desafíos para maximizar la rentabilidad de la industria ganadera sin recurrir al uso de estrategias de control integrado sustentable de parásitos.

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Section: Potential Impact Of Cattle Ticksmentioning

confidence: 99%

Section: Potential Impact Of Cattle Ticksmentioning

confidence: 99%

Potential economic impact assessment for cattle parasites in Mexico. Review

Rodríguez-Vivas

Grisi

León

et al. 2017

Rev. Mex. Cienc. Pecu.

170

View full text Add to dashboard Cite

show abstract

“…The damage to milk production caused by cattle ticks was recently evaluated by Rodrigues and Leite (2013) in the state of Minas Gerais, where 24.2% of the country's dairy cows are concentrated. These authors estimated that ticks were responsible for a reduction of 90.24 L in milk production per cow per lactation, which, when extrapolated to the national dairy herd, amounted to about $922.36 million of losses to the national dairy herd.…”

Section: Introductionmentioning

confidence: 99%

Reassessment of the potential economic impact of cattle parasites in Brazil

Grisi

Leite

Martins

et al. 2014

Rev. Bras. Parasitol. Vet.

607

282

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The profitability of livestock activities can be diminished significantly by the effects of parasites. Economic losses caused by cattle parasites in Brazil were estimated on an annual basis, considering the total number of animals at risk and the potential detrimental effects of parasitism on cattle productivity. Estimates in U.S. dollars (USD) were based on reported yield losses among untreated animals and reflected some of the effects of parasitic diseases. Relevant parasites that affect cattle productivity in Brazil, and their economic impact in USD billions include: gastrointestinal nematodes - $7.11; cattle tick (Rhipicephalus(Boophilus) microplus) - $3.24; horn fly (Haematobia irritans) - $2.56; cattle grub (Dermatobia hominis) - $0.38; New World screwworm fly (Cochliomyia hominivorax) - $0.34; and stable fly (Stomoxys calcitrans) - $0.34. The combined annual economic loss due to internal and external parasites of cattle in Brazil considered here was estimated to be at least USD 13.96 billion. These findings are discussed in the context of methodologies and research that are required in order to improve the accuracy of these economic impact assessments. This information needs to be taken into consideration when developing sustainable policies for mitigating the impact of parasitism on the profitability of Brazilian cattle producers.

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“…decoloratus [2][3][4]. Rhipicephalus microplus is vector of Babesia bovis and Babesia bigemina causing extensive production losses [5][6][7].…”

mentioning

confidence: 99%

Invasive cattle ticks in East Africa: morphological and molecular confirmation of the presence of Rhipicephalus microplus in south-eastern Uganda

Muhanguzi

Byaruhanga

Amanyire

et al. 2020

Preprint

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Background: Rhipicephalus microplus, an invasive tick species of Asian origin and the main vector of Babesia species, is considered one of the most widespread ectoparasites of livestock. The tick has spread from its native habitats on translocated livestock to large parts of the tropical world, where it has replaced some of the local populations of Rhipicephalus decoloratus ticks. Although the tick was reported in Uganda 70 years ago, it has not been found in any subsequent surveys. This study was carried out to update the national tick species distribution on livestock in Uganda as a basis for tick and tick-borne disease control, with particular reference to R. microplus. Methods:The study was carried out in Kadungulu, Serere district, south-eastern Uganda, which is dominated by small scale livestock producers. All the ticks collected from 240 cattle from six villages were identified microscopically. Five R. microplus specimens were further processed for phylogenetic analysis and species confirmation. Results:The predominant tick species found on cattle was Rhipicephalus appendiculatus (86.9 %; n = 16,509). Other species found were Amblyomma variegatum (7.2 %; n = 1377), Rhipicephalus evertsi (2.3 %; n = 434) and R. microplus (3.6 %; n = 687). Phylogenetic analysis of the 12S rRNA, 16S rRNA and ITS2 gene sequences of R. microplus confirmed the morphological identification. Conclusions:It is concluded that R. microplus has replaced R. decoloratus in the sampled villages in Kadungulu sub-county, since the latter was not any longer found in this area. There is currently no livestock movement policy in force in Uganda, which could possibly limit the further spread of R. microplus ticks. Future surveys, but also retrospective surveys of museum specimens, will reveal the extent of distribution of R. microplus in Uganda and also for how long this tick has been present on livestock without being noticed. BackgroundThe Asian blue tick, Rhipicephalus (Boophilus) microplus (Canestrini, 1888), is one of the most important tick species infesting livestock in many parts of the world [1]. Rhipicephalus microplus has extended its distribution through the translocation of tick-infested cattle. In some regions in Africa, R. microplus has successfully competed and replaced the close related African blue tick, RhipicephalusThe authors wish to acknowledge the District Veterinary Officer of Serere District, Dr Amonya Collins for his help during tick collection. We also acknowledge the cattle owners and local council leaders of the six villages where this study was carried out for offering their cattle and helping with their restraint in this study. We are very grateful to for their help during tick collection and field tick identification to genus level. Ethics approval and consent to participateWritten informed consent was obtained from cattle owners. Cattle restraint, tick collection, 11 preservation, morphological and molecular analyses followed highest veterinary care and scientific standards as approved (SBLS/REC/16/136) by the

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Economic impact of Rhipicephalus (Boophilus) microplus: estimate of decreased milk production on a dairy farm

Cited by 43 publications

References 6 publications

Potential economic impact assessment for cattle parasites in Mexico. Review

Potential economic impact assessment for cattle parasites in Mexico. Review

Reassessment of the potential economic impact of cattle parasites in Brazil

Invasive cattle ticks in East Africa: morphological and molecular confirmation of the presence of Rhipicephalus microplus in south-eastern Uganda

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