1. 第一次突破,从油苗到背斜理论;
The first breakthrough—from oil seepage to the anticlinal theory;

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2. 在湖北宜昌下奥陶统红花园组生物礁中发现并采集到轻质油苗
The oil seepages relative to organic reefs in Yichang, Hubei province were discovered and collected.

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3. 大多数的父母代鸡群经过了IBD活苗和灭活油苗的免疫,以产生高水平的母源抗体对3-4周龄的雏鸡提供保护。
Most parent flocks are vaccinated with both live vaccines and killed oil-emulsion products which produce a high level of maternal antibody that protects the chick for its first 3-4 weeks of life.

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4. 经对不同发病日龄和免疫油苗后雏鸭的血清检测,证明该检测方法有很高的敏感性、特异性和重复性,可作为快速诊断该病的一种可靠方法。
The method was proved to be very sensitive, specific and repetitive by detecting different sera samples from clinical and immune ducks, which can diagnose the disease rapidly.

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5. 经对不同发病日龄和免疫油苗后雏鸭的血清检测,证明该检测方法有很高的敏感性、特异性和重复性,可作为快速诊断该病的一种可靠方法。
The method was proved to be very sensitive, specific and repetitive by detecting different sera samples from clinical and immune ducks, which can diagnose the disease rapidly.

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