Detection of IgM antibodies against Babesia bovis in cattle

Gonçalves, Patrícia Macêdo; Passos, Lygia Maria Friche; Ribeiro, Múcio Flávio Barbosa

doi:10.1016/s0304-4017(98)00254-4

Cited by 7 publications

(4 citation statements)

References 12 publications

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“…Tick parasitism is one of the most detrimental environmental factors affecting cattle production and performance because it causes immunosuppression in the affected cattle (Jonsson, 2006). In both beef and dairy herds the main damage caused by cattle ticks are the costs involved with chemical products and equipment used for parasite control along with losses in fertility, body weight and milk production, although other important losses include leather depreciation due to tick puncture marks and the transmission of infectious diseases, principally Anaplasma and Babesia (Seifert et al, 1968;Gugliemone, 1995;Wambura et al, 1998;Gonçalves et. al., 1999).…”

Section: Introductionmentioning

confidence: 99%

Artificial infestation of Boophilus microplus in beef cattle heifers of four genetic groups

et al. 2007

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Resistance of beef cattle heifers to the cattle tick Boophilus microplus was evaluated by artificial infestation of 66 beef cattle heifers of the following genetic groups: 16 Nelore (NE), 18 Canchim x Nelore (CN), 16 Angus x Nelore (AN) and 16 Simmental x Nelore (SN). The animals, with a mean age of 16.5 months, were maintained with no chemical tick control in a Brachiaria decumbens pasture. Four artificial infestations with 20,000 B. microplus larvae were carried out 14 days apart and from day 18 to day 22 of each infestation the number of engorged female ticks (≥ 4.5 mm) was counted on the left side of each heifer. Data were analyzed as the percentage of return (PR = percentage of ticks counted relative to the number infested), transformed to (PR) 1/4 , and as log 10 (C ij + 1), in which C ij is the number of ticks in each infestation, using the least squares method with a model that included the effects of genetic group (GG), animal within GG (error a), infestation number (I), GG x I and the residual (error b). Results indicated a significant GG x I interaction, because AN and SN heifers had a higher percentage of return than CN and NE heifers, while CN heifers showed a higher percentage of return than the NE heifers only in infestations 3 and 4. Transformed percentages of return were NE = 0.35 ± 0.06, AN = 0.89 ± 0.06, CN = 0.54 ± 0.05 and SN = 0.85 ± 0.06.

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Section: Introductionmentioning

confidence: 99%

Artificial infestation of Boophilus microplus in beef cattle heifers of four genetic groups

et al. 2007

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“…Such test has a potential use as diagnostic tool in detecting early seroconvertion of infected animals, as described for B. bovis (Gonçalves et al 1999).…”

Section: Discussionmentioning

confidence: 99%

Development of an enzyme-linked immunosorbent assay for detection of IgM antibodies to Babesia bigemina in cattle

Ruiz

Passos

Machado³

et al. 2001

Mem. Inst. Oswaldo Cruz

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“…O B. microplus acarreta diversos danos econômicos [34], tornando-se o principal alvo de programas de controle e erradicação nos rebanhos da América do Sul [52], pois um carrapato bovino suga, em média, de 2 a 3mL de sangue do seu hospedeiro [26], o que se reflete em grandes perdas na produção de leite e carne [71] e danos no couro causados por reações inflamatórias nos locais de fixação do carrapato [67]. Também, o carrapato pode atuar como vetor de doenças, como a tristeza parasitária bovina, causada por protozoários do gênero Babesia e pela rickétsia do gênero Anaplasma [49,78]. Além disso, existem diversos prejuízos relacionados à mão-de-obra necessária para o controle desse parasita, despesas com instalações, compra de equipamentos adequados para aplicação de carrapaticida nos rebanhos e aquisição de carrapaticidas [9].…”

Section: Introductionunclassified

Perspectivas para o controle do carrapato bovino

Leal¹,

Freitas²,

Vaz

2018

Acta Scientiae. Vet.

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RESUMOO carrapato Boophilus microplus é um ectoparasita de bovinos, presente em áreas tropicais e subtropicais na América, África, Ásia e Austrália. O método atual para o controle do carrapato bovino Boophilus microplus é o uso de acaricidas. Porém, este método é caro devido aos custos das drogas e aos da mão de obra exigida para a sua aplicação. Também, existem relatos de carrapatos resistentes a diversos acaricidas. Além disso, os resíduos químicos na alimentação e a poluição ambiental são uma grande preocupação a ser considerada. Para superar estes problemas, métodos alternativos não-químicos incluem o uso de animais geneticamente resistentes, o desenvolvimento de vacinas, o gerenciamento de pastagem com alternância de espécies e o controle biológico. Neste momento, a proteção induzida por vacinas não é suficiente para permitir o controle do B. microplus. Entretanto, os resultados sugerem ser possível o uso combinado destes métodos para o controle do carrapato a fim de reduzir o uso de acaricidas químicos. ABSTRACTThe tick Boophilus microplus is an ectoparasite of bovine, present in tropical and subtropical areas, as America, Asia, Africa and Australia. The current method for the control of the cattle tick B. microplus is the use of chemicals. However, this method is expensive due to the costs of both drugs and to the labor required to apply treatment. Moreover, there are observations of tick isolates resistant to the acaricides. In addition, chemical residues in food and environmental pollution are a major concern nowadays. To overcome these problems alternative non-chemical methods to control the cattle tick are under development. The non-chemical methods include the use of genetically resistant cattle, the development of vaccines, pasture management, alternate grazing of different species of hosts and biological control. In this moment, the protection induced by vaccination is not enough to permit the control of the B. microplus. However, the results suggest that it is possible to envisage the combined use of these methods for the control of cattle tick in order to reduce the use of chemical acaricides.

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Detection of IgM antibodies against Babesia bovis in cattle

Cited by 7 publications

References 12 publications

Artificial infestation of Boophilus microplus in beef cattle heifers of four genetic groups

Artificial infestation of Boophilus microplus in beef cattle heifers of four genetic groups

Development of an enzyme-linked immunosorbent assay for detection of IgM antibodies to Babesia bigemina in cattle

Perspectivas para o controle do carrapato bovino

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