The aflatoxin was presumably the main cause for the death of ducklings.
黄曲霉毒素可能是诱发幼鸭死亡的主要原因。
Pathological development of ducklings infected experimentally with aflatoxin
人工感染黄曲霉毒素雏鸭的病理学动态变化
The serum of the immunized ducklings were collected and the antibody titer were measured by neutralizing test.
同时对免疫的雏鸭采血，中和试验测定血清的效价。
Dynamic Changes of Serum Biochemical Indexes on Experimental Infected Ducklings with Duck Hepatitis Virus
雏鸭感染鸭肝炎病毒后血清生化指标的动态变化
Some ducklings have just born in the breeding farm. They are really lovely.
养殖场刚刚买了一批鸭苗, 很可爱的。
Laying ducklings in cage.
笼养蛋雏鸭
The ducklings are cheeping.
小鸭咻咻地叫着。
Compared with growing piglets, cherry valley ducklings are more adaptive to the wheat diet.
与生长猪相比，樱桃谷肉鸭对小麦日粮具有较好的适应性。
Effect of Dietary Crude Protein and Energy Concentrations on Growth Performance in Gaoyou Ducklings
日粮能量、蛋白水平对高邮鸭育雏期生长性能的影响
The ducklings have shed their yellow down.
小鸭褪了黄毛。
Distribution and Excretion of Duck Plague Virus Attenuated Cha Strain in Vaccinated Ducklings
鸭瘟病毒弱毒株在免疫雏鸭体内的分布和排毒规律
A study on normal ECG of the White Muscovy ducks and their ducklings and embryos
白羽瘤头鸭及其雏鸭和胚胎正常心电图的研究
Dynamic measurement of growth indexes and histological observation of thymus of ducklings
雏鸭胸腺生长指标的动态观测及组织学观察
After ducklings have hatched, all eiders return back to the ocean.
当雏凫孵出以后, 所有成年凫鸟返回海洋中。
There are eight ducklings in the water.
水中八只小丫丫。
The Trial of Pekin Ducklings Experimentally Infected with Virulent Newcastle Disease Virus Isolated from Penguin
企鹅新城疫强毒人工感染北京雏鸭的研究
A Study of Fluoride Toxicity on Ducklings
氟对肉仔鸭毒性作用的实验研究
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