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risk factors related to the prevalence of infectious bovine keratoconjunctivitis.a cross-sectional epizootiologic study was conducted by mailed questionnaire to determine how the prevalence of infectious bovine keratoconjunctivitis (ibk) related to selected predisposing causes. the prevalence of ibk in missouri during the summer of 1978 was 4.97 cases/100 cattle, with 45% of respondents reporting cases of ibk. a higher prevalence of ibk was associated with calves and yearlings, hereford and hereford-cross cattle, backgrounding cattle operations, and herds with a history of i ...19816281222
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