Analysis of the risk factors related to the immune humoral anti-Anaplasma marginale in dairy cattle

Silva, Jenevaldo Barbosa da; Fonseca, Adivaldo Henrique da

doi:10.5433/1679-0359.2013v34n2p777

Cited by 2 publications

(2 citation statements)

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“…Dentre as doenças infecciosas, tem se destacado a anaplasmose, uma doença causada pela bactéria Anaplasma marginale, considerada o patógeno mais prevalente transmitido por carrapatos no mundo (Little, 2010;Silva & Fonseca, 2013). Está distribuído nos seis continentes, responsável por alta morbidade e mortalidade em bovinos nas regiões temperadas, subtropicais e tropicais, incluindo o Brasil e outras regiões da América Latina (Quinn et al, 2005).…”

Section: Introductionunclassified

“…A transmissão ocorre biologicamente por carrapatos ou mecanicamente por insetos hematófagos, fômites ou sangue contaminado (Joazeiro, 2012;Quinn et al, 2005). Sendo o carrapato Rhipicephalus (Boophilus) microplus o principal responsável pela transmissão vetorial de A. marginale na América do Sul e Central (Silva & Fonseca, 2013). A infecção causada por A. marginale, se caracteriza por estimular uma resposta imune, que acarreta na remoção de hemácias infectadas e não infectadas, podendo ocasionar diminuição do volume globular (Hostetler, 2017).…”

Section: Introductionunclassified

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Uso de enrofloxacina en un brote de anaplasmosis en ganado lechero en Ijuí-RS: informe del caso

Ulsenheimer¹,

Schvan²,

Shifer³

et al. 2020

Pubvet

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Anaplasmosis is a disease caused by the bacterium Anaplasma marginale, transmitted mainly by ticks in cattle herds around the world, in addition to transmission by hematophagous and iatrogenic insects. In this work, the objective was to describe an outbreak of anaplasmosis in six adult dairy cattle in the region of Ijuí-RS, showing success in the clinical resolution for patients treated with enrofloxacin-based antimicrobial therapy. According to the anamnesis, the animals that had died on the property, had shown clinical signs such as: loss of appetite, jaundiced mucous membranes and on the other day the clinical condition worsened, until death. The animal seen in a veterinary consultation, showed the same clinical signs and the clinical examination, apathy, dehydration, pallor, jaundiced ocular, oral, nasal and vulvar mucous membranes, dehydration and hypersalivation. The main complaint for the consultation was the reluctance to eat, weight loss and decreased milk production, considering that the animal had already been treated for bovine parasitic sadness 2 days ago, with diminazene diaceturate and oxytetracycline. However, the diagnosis was confirmed by blood smear and the necropsy findings performed on another animal that died on the same property, with jaundiced mucous and serous, with an excessive increase in the size of the liver, spleen and gallbladder, as well as the presence of blood with an aqueous aspect and by the blood smear which resulted in the presence of bacteria of the genus Anaplasma. Antimicrobial therapy based on enrofloxacin associated with lactated ringer fluid therapy, blood transfusion, vitamins and organic modifier was instituted for the treatment of bovine patients. Due to other cases already reported in the region, it is believed that there are some strains of the bacteria Anaplasma marginale, which are resistant to oxytetracycline, thus, enrofloxacin appears as a new treatment alternative for dairy cattle with anaplasmosis, refractory to the use of oxytetracycline.

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Section: Introductionunclassified

Uso de enrofloxacina en un brote de anaplasmosis en ganado lechero en Ijuí-RS: informe del caso

Ulsenheimer¹,

Schvan²,

Shifer³

et al. 2020

Pubvet

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Epidemiology and risk factors associated with Anaplasma marginale infection of cattle in Peninsular Malaysia

Ola-Fadunsin

Gimba

Abdullah

et al. 2018

Parasitology International

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Bovine anaplasmosis is a major concern to cattle farming in most parts of the world. Anaplasmosis negatively impacts the profitability of cattle farming by reducing the production, reproduction, and draft ability of cattle. Here, we report results from a one-year cross sectional study to determine the epidemiology and the risk factors for Anaplasma marginale infection of cattle in Peninsular Malaysia. Examination of one thousand and forty five blood samples of apparently healthy cattle from forty-three farms in all the states of Peninsular Malaysia by polymerase chain reaction (PCR) assay revealed an overall prevalence of A. marginale infection of cattle of 72.6%, showing high endemicity of this heamoprotozoan among cattle in the country. Cattle breeds, production type, herd owner, herd size, management system, farm size, farm age, prophylactic treatment against blood parasites, presence of ticks, frequency of deticking, zones, closeness to forest, closeness to waste area, closeness to human settlement and closeness to body of water were the risk factors significantly associated (P < 0.05) with the detection of A. marginale in cattle. Results of this first molecular study on the epidemiology and risk factors for A. marginale infection of cattle from all the states of Peninsular Malaysia suggest policies and strategies for the prevention and control of the parasite to improve profitability of cattle farming in the country.

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Analysis of the risk factors related to the immune humoral anti-Anaplasma marginale in dairy cattle

Cited by 2 publications

References 5 publications

Uso de enrofloxacina en un brote de anaplasmosis en ganado lechero en Ijuí-RS: informe del caso

Uso de enrofloxacina en un brote de anaplasmosis en ganado lechero en Ijuí-RS: informe del caso

Epidemiology and risk factors associated with Anaplasma marginale infection of cattle in Peninsular Malaysia

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