Caracterización de cepas de Escherichia coli aisladas de terneros afectados de diarrea neonatal / [Characterization of strains of Escherichia coli isolated from calves with neonatal diarrhea]
Rev. argent. microbiol
;
17(4): 203-8, 1985.
Article
in Spanish
|
LILACS-Express
| LILACS, BINACIS
| ID: biblio-1171533
ABSTRACT
Thirty fecal samples of diarrheic calves from a beef herd with previous history of neonatal diarrhea were cultured for isolation of Escherichia coli K99 (+) and for enterotoxigenic tests. The age distribution of sampled calves was 1 animal less than 6 days old, 21 between 7-15 days old and 8 between 16-30 days old. Although most strains were classified as Isaacson et al (16) biotype four, they were negative for detection of K99 antigen by slide agglutination test. The assay for heat-stable (ST) and heat-labile (LT) enterotoxins by intragastric infant mouse inoculation and ELISA tests, respectively, were negative. More than 93
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Index:
LILACS (Americas)
Language:
Spanish
Journal:
Rev. argent. microbiol
Journal subject:
Microbiology
Year:
1985
Type:
Article
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