A survey of bovine infectious keratitis (pinkeye) in beef cattle

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Abstract
A postal survey of 670 members of the N.Z. [New Zealand] Hereford Cattle Breeders'' Association attracted 298 replies (44%). A subsequent mailing of a shorter questionnaire to 300 randomly chosen members who had not replied by a given date attracted 183 replies (61%). The percentage of herds that experienced at least 1 outbreak of pinkeye within the past 5 yr was 27.9 in the 1st survey and 15.8 in the 2nd. Breakdown by years and districts indicated a marked increase in occurrence of the disease during the past 2 yr, mainly in the North Island. There were no statistically significant associations between a number of selected environmental and management factors and the occurrence or severity of outbreaks. The occurrence of clinical cases of BIK [bovine infectious keratitis] may depend solely upon the introduction of an infected animal or material to the indigenous stock. There may be considerable potential for further spread.

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