the prevalence of mycobacterium paratuberculosis infection in ileocecal valve of cattle slaughtered in ahvaz abattoir, southern iran

Authors

m. r. haji hajikolaei

m. ghorbanpoor

m. solaymani

abstract

to investigate the prevalence of mycobacterium paratuberculosis (m. avium subsp. paratuberculosis)infection among cattle slaughtered in ahvaz abattoir, samples were taken from 250 cattle. before slaughter,sex and age were assessed. thereafter, samples were taken from ileocecal valve, rectum mucosa, ileocecallymph node and stool. all smears which taken from these samples were stained by ziehl-neelsen method and examined by light microscopy. at first, ileocecal samples were examined; other samples were examinedwhen ileocecal sample was positive. out of the 250 cattle, 5 (2%) were positive. with the exception of onesample in which the organism was observed in both ileocecal valve and ileocecal lymph node, in otherpositive samples the bacteria was observed in only ileocecal valve smear.

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Journal title:
iranian journal of veterinary research

Publisher: shiraz university

ISSN 1728-1997

volume 7

issue 2 2006

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