Publications

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sero-epidemiological survey of porcine respiratory coronavirus (prcv) infection in breeding herds in southeastern spain.in 1987 we conducted a sero-epidemiological survey in the murcia region (south-east spain) to discover the prevalence and spread of prcv-infection among breeding pigs and farms and determine the association between herd size and geographical zone with prcv-infection. the murcia region was divided into four geographical zones and the farms classified by size in four categories. the random sample was statistically representative of both the breeding stock and farms in each geographical zone. we an ...19921325719
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