Relationship between serologic recognition of Escherichia coli 0111: B4 (J5) and clinical coliform mastitis in cattle.

J. W. Tyler, James S Cullor, Bennie Osburn, R. B. Bushnell, B. W. Fenwick

Research output: Contribution to journalArticle

40 Citations (Scopus)

Abstract

Serum IgG1 ELISA titers recognizing gram-negative core antigens (Escherichia coli [J5]) were studied at a large dairy in central California. Population mean log10 titer was 2.7357 (equivalent to 1:544) with a SE of 0.03843. Titers increased with increased lactation number (unstandardized regression coefficient = 0.06733). Changes in lactation number accounted for only 6.77% of titer variation. Titers less than 1:240 were associated with 5.33 times the risk of clinical coliform mastitis. Also, older cattle were at greater risk to develop clinical coliform mastitis. These factors apparently affect incidence in a nonlinear fashion, with greatly increased risk associated with titers less than 1:240 and with fourth or greater lactations.

Original languageEnglish (US)
Pages (from-to)1950-1954
Number of pages5
JournalAmerican Journal of Veterinary Research
Volume49
Issue number11
StatePublished - Nov 1988

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Mastitis
Lactation
mastitis
lactation number
Escherichia coli
cattle
dairies
lactation
Immunoglobulin G
Enzyme-Linked Immunosorbent Assay
enzyme-linked immunosorbent assay
antigens
Antigens
incidence
Incidence
Serum
Population

ASJC Scopus subject areas

  • veterinary(all)

Cite this

Relationship between serologic recognition of Escherichia coli 0111 : B4 (J5) and clinical coliform mastitis in cattle. / Tyler, J. W.; Cullor, James S; Osburn, Bennie; Bushnell, R. B.; Fenwick, B. W.

In: American Journal of Veterinary Research, Vol. 49, No. 11, 11.1988, p. 1950-1954.

Research output: Contribution to journalArticle

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