incidence of disease

Cerebral hemorrhage incidence of disease all year round, but in the beginning of the winter, snow, when the incidence is high, accounting for 29%. 42.6% of patients happened in winter.

脑出血患者发病全年均有发病，但在冬季的立冬、小雪、大雪时发病率较高，占29%，冬季发病病人占42.6%。

Effect of feeding density on silkworm physiology and incidence of disease

饲育密度对桑蚕生理及发病率的影响

Potato dry rot caused by Fusarium sulphureum is one of the most important postharvest diseases restricting potato production and incidence of disease is up to 30% during storage.

干腐病是限制马铃薯产业化发展的主要采后病害之一，贮藏期间其发病率高达30%。

Results: Incidence of disease in caesarean operation group was 39.3%, and 23.1% in vagina-delivery groups with a remarkable difference,( P < 0.05).

结果剖宫产组发病率39.3%，阴道分娩组23.1%，两组发病率有显著差异（P

Microbial forage additive is a new type of additive which can reduce the incidence of disease through modulating the micro-ecology balance in the alimentary tract and promote the growth of the animal by its rich nutrition.

益生性微生物饲料添加剂是一种新型的饲料添加剂，它可以通过调节动物体内的微生态平衡以及提供高蛋白和丰富的营养达到防病治病和促进生长的目的。