同时对免疫的雏鸭采血，中和试验测定血清的效价。
The serum of the immunized ducklings were collected and the antibody titer were measured by neutralizing test.
清代诗人袁枚曾经写道：“准备烤鸭需要将幼嫩的雏鸭放入烤炉。
The Qing poet Yuan Mei once wrote in a cookbook, “Roast duck is prepared by revolving a young duckling on a spit in an oven.
清代诗人袁枚曾经写道：“准备烤鸭需要将幼嫩的雏鸭放入烤炉。”
The Qing poet Yuan Mei once wrote in a cookbook, "Roast duck is prepared by revolving a young duckling on a spit in an oven."
应用自行研制的雏鸭病毒性肝炎(dvh)蜂胶灭活苗，以0。
Ducklings virus hepatitis (DVH) Propolis inactivated vaccine was applied for immunizing l-day-old ducklings, and 0.
试验对日粮中添加高水平铜对雏鸭血液指标的影响进行了研究。
The study was conducted to examine the effect of high level dietary copper on blood parameters in ducklings by the methods of hemopathology.
研究了中药复方制剂对雏鸭肝脏、脾脏保护酶活性和MDA含量的动态变化。
The effect of the Chinese herbal medicine preparation on the activity of protective enzyme and the content of MDA in liver and spleen of ducks were studied.
方法：用脂多糖(LPS)诱发DHBV感染雏鸭急性肝坏死，建立实验模型。
Methods: An acute hepatic failure model was established in ducklings infected DHBV with lipopolysaccharides (LPS).
对鸭肝炎鸡胚化弱毒株MY接种4日龄雏鸭后的组织变化进行了动态观察比较研究。
The dynamic changes of tissue structure in 4 days old ducklings which were infected with chicken embryo attenuated strain MY of duck hepatitis virus were observed.
通过对免疫雏鸭的血清抗体滴度进行测定，证实该BAU - 1疫苗对雏鸭的免疫保护期在6周以上。
By testing the serum titers of vaccinated ducklings, it was demonstrated that the immune protection period for ducklings of this BAU-1 vaccine was more than 6 weeks.
疫苗免疫雏鸭后能够显著（P<0.05）或极显著（P<0.01）地增强T细胞的免疫力，时间持续两周。
The notably enhanced cell mediated immunity in the experiment group was different (P<0.05) or very different (P<0.01) from the control and was about 2 weeks in duration.
为了使刚出生的雏鸭们认亲，初期的48小时十分关键，母鸭必须在场。在制作盔甲的过程中，重量问题十分关键。
For imprinting to occur in ducklings, it is critical a parent be present during the first 48 hours. The weight issue in armor construction was crucial.
研究饲粮中添加不同水平硫酸锰对笼养蛋雏鸭生产性能、营养物质利用率、血清生化指标以及组织矿物元素沉积的影响。
The experiment was conducted to study the performance, nutrient efficiency, blood serum biochemical traits and the mineral element in tissue of cage-rearing young ducks (one day).
三批1500羽肉鸭雏鸭母源抗体消长规律的试验表明，雏鸭母源抗体水平高低及维持时间长短与父母代抗体水平高低呈正比。
The dynastic indicated that the maternal antibody level and its maintenance time of 1500 meat ducklings from three groups paralleled to that of their parents.
一大群鹅黄色的雏鸭游牧在溪流间。清浅的水，两岸青青的草，一根长长的竹竿在牧人的手里。他的小队伍是多么欢欣地发出啾啁声！
With a long bamboo pole in hand, he would look after a large flock of gosling-yellow ducklings moving about on the limpid water of a shallow brook flanked on both sides by green grass.
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.
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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