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Alterações hematológicas em bovinos submetidos ao envenenamento crotálico

Authors: P. M. Ferreira; M. M. Melo; L. A. Lago; E J. Facury Filho;

Alterações hematológicas em bovinos submetidos ao envenenamento crotálico

Abstract

RESUMO: O quadro clínico observado ao exame do animal acidentado pela cascavél sul americana (Crotalus durissus terrificus ), portadora de veneno contendo quantidades significativas da toxina crotamina, é de difícil diferenciação clínica com outras doenças. Com o objetivo de se estabelecer alterações hematológicas que auxiliem o diagnóstico desta condição mórbida, cinco fêmeas bovinas mestiças, com idade variando entre dois e três anos, foram inoculadas com veneno crotálico do tipo crotamina positivo, utilizando a dose de 0,03 mg por quilo de pêso vivo, na região glútea, por via intramuscular. Colheu-se amostras de sangue para realizar os exames laboratoriais antes e a cada duas horas após a inoculação, até a morte dos animais. Verificou-se que: o número de hemácias, o volume corpuscular médio ( VCM ), a hemoglobina corpuscular média ( HCM ), os números de leucócitos totais, de linfócitos, de neutrófilos e de monócitos, tiveram aumentos significativos e que os números de leucócitos totais apresentaram comportamento atípico, caracterizado por leucocitoses com valores atingindo até 60.000 celulas/mm,3 a cada seis horas, alternadas por quedas para em torno de 13.000 células/mm3. Pelo exposto, concluiu-se que a observação destas alterações poderá auxiliar o estabelecimento do diagnóstico desta afecção nos bovinos. PALAVRAS CHAVE: Envenenamento crotálico; hemograma; bovinos. SUMMARY: The clinical findings observed at examination of an animal attacked by South American rattle snake (Crotalus durissus terrificus ), that has poison containing significative crotamine toxin quantites are difficult to distinguish from other diseases. With the aim of establishing haematological parameters of diagnostic value for this condition diagnosis, five crossbred female cattle, from two to three years old, were inoculated with positive crotalic - crotamine poison, using 0.03 mg/kg of body weight, IM, in gluteous region. Blood samples were collected for lab exams each two hours until animalâs death. It was observed that: erythrocyte count, mean corpuscular volume, mean haemoglobin corpuscular, total leukocyte count, linphocytes, neutrophils and monocytes numbers showed few changes; and leukocytes presented atypical behavior verifyed by leukocytosis reaching absolute values around 60000 cell /mm3 every six hours, intercalary by decreasing values of about 13.000 cell /mm3 every two hours. According to these findings, it is concluded that, associating them to clinical signs observed, allows the practioner establish a safer diagnosis of cattle crotalic poisoning. KEYWORDS : Crotalic poisoning; hemogram; cattle.

Keywords

bovinos, Aquaculture. Fisheries. Angling, SH1-691, hemograma, SF1-1100, Envenenamento crotálico, Animal culture

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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