Characteristics of bovine pulmonary parasites in Bangladesh
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초록
In a cross-sectional abattoir survey of bovine pulmonary diseases in Mymensingh, during September 2001 to April 2002, subclinical Dictyocaulus viviparous infection was found in mesoendemic level in Bangladeshi adult zebu cattle. The number of mature lung worms varied from 1∼18 in individual lungs. One to five mature lung worms were most frequent (74.2%) followed by 6 to 10 (19.3%) and 11∼18 (6.5%). Of the total 123 mature worms collected from 31 lungs, there were 50 (40.7%) male and 73 (59.3%) female worms. The female lungworms(mean length 14.41mm) were significantly (P⁄0.01) larger than the male lungworms(mean length 11.28mm). The number of hydatid cysts varied from 1∼80 in individual lungs. One to five (1∼5) cysts were recorded most commonly(76.0%) followed by 11∼80 (20.0%) and 6∼10 (4%). The size(diameter) of the hydatid cysts ranged from 2∼12cm. Of the total 203 hydatid cysts collected from 31 lungs 45 (22.2%) cysts were fertile and 158 (77.8%) cyst were sterile.
Abstract
In a cross-sectional abattoir survey of bovine pulmonary diseases in Mymensingh, during September 2001 to April 2002, subclinical Dictyocaulus viviparous infection was found in mesoendemic level in Bangladeshi adult zebu cattle. The number of mature lung worms varied from 1∼18 in individual lungs. One to five mature lung worms were most frequent (74.2%) followed by 6 to 10 (19.3%) and 11∼18 (6.5%). Of the total 123 mature worms collected from 31 lungs, there were 50 (40.7%) male and 73 (59.3%) female worms. The female lungworms(mean length 14.41mm) were significantly (P⁄0.01) larger than the male lungworms(mean length 11.28mm). The number of hydatid cysts varied from 1∼80 in individual lungs. One to five (1∼5) cysts were recorded most commonly(76.0%) followed by 11∼80 (20.0%) and 6∼10 (4%). The size(diameter) of the hydatid cysts ranged from 2∼12cm. Of the total 203 hydatid cysts collected from 31 lungs 45 (22.2%) cysts were fertile and 158 (77.8%) cyst were sterile.
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