Sarkidiornis melanotos

The spermatozoa of Muscovy Drakes consist of two parts:head and tail.

瘤头鸭精子分为头部和尾部。

Determination and Analysis on Selenium and Heavy Metal Elements in Duck tissue with Different Origin in Shihe Valley;

浉河流域不同来源鸭组织中硒和重金属元素的测定分析

A study on the pattern of methane emission in wetland rice-duck complex ecosystems;

湿地稻-鸭复合系统的CH_4排放规律

Sequence Analysis of the PB1 Polymerase Genes of H3 Subtype Duck Influenza Viruses;

H3亚型鸭源流感病毒聚合酶PB1基因的序列分析

Long-term toxicity of YinqiaoJiedu Keli(Granule of Lonicera and Forsythia) in ducks;

银翘解毒颗粒对鸭的长期毒性实验研究

Differential effects of animal or Vegetable Oil added in over-feeding feed of ducks on fatty liver performance;

添加动植物性油脂填饲对鸭肥肝性能的差异影响

Study of protection of Selenium on experimental Cadmium poisioning in broiler ducks;

硒对鸭镉中毒保护效应的研究

Pathological observation on ducklings infected experimentally with Riemerella anatipestifer;

人工感染鸭疫里氏杆菌雏鸭的病理学变化

Replication kinetics of duck plague virus virulent strain in parenchymatous organs of experimentally infected ducklings;

鸭瘟病毒强毒株在感染鸭实质器官内的增殖与分布

To control Rimerella anatipestifer(RA) infection in ducklings,the oil-adjust inactivated vaccine of RA isolated from Hunan province was inoculated to 4-day-old ducklings with a dose of 0.

为了有效控制鸭疫里默氏菌病的发生,我们将本地区分离鉴定的鸭疫里默氏菌作为菌种,采用液体增菌培养后灭活,加入佐剂制成油乳剂灭活疫苗,经无菌和安全检验合格后免疫4日龄雏鸭(0。

An old duck visits the mother duck.

一只老鸭前来造访母鸭。

The duck is short. The duck is short.

鸭子很矮。鸭子很矮。

North American goldeneye diving duck.

北美洲鹊鸭科潜水鸭。

an undomesticated duck (especially a mallard).

非家养的鸭，特指绿头鸭。

adult male of a wild or domestic duck.

成体雄性野鸭或家鸭。

liver, duck, mackerel pate

肝、 鸭、 鲭鱼酱.

Seven little, six little, five little ducks,

七只小鸭，六只小鸭，五只小鸭，

Four little, five little, six little ducks,

四只小鸭，五只小鸭，六只小鸭，

Seven little, eight little, nine little ducks,

七只小鸭，八只小鸭，九只小鸭，

Ten little, nine little, eight little ducks,

十只小鸭，九只小鸭，八只小鸭，

Four little, three little, two little ducks,

四只小鸭，三只小鸭，两只小鸭，

One Little, Two Little, Three Little Ducks

一只小鸭，两只小鸭，三只小鸭

The ducks look at the mother duck and her ducklings.

鸭子们盯着母鸭和她的小鸭看着。

This duck is a cross between a wild duck and an ordinary duck.

这种鸭子是野鸭和普通鸭子的混种。

Barbary duck is a cross between a wild duck and an ordinary duck.

巴巴里鸭系由野鸭与普通鸭杂交而成。

A barbary duck is a cross between a wild duck and an ordinary duck.

芭芭内鸭系由野鸭与普通鸭杂交而成。

A barbary duck be a cross between a wild duck and an ordinary duck

芭芭内鸭系由野鸭与普通鸭杂交而成

Hereditary Character of Reciprocal Mule Duck

反交半番鸭（公家鸭×母番鸭）的遗传特性