Muscovy duck
基本解釋
- [禽] 美洲家鴨
詞組短語
- Muscovy duck reovirus 番鴨呼腸孤病毒;番鴨呼腸病毒;探討番鴨呼腸孤病毒;正前言番鴨呼腸孤病毒
- breeding muscovy duck 種番鴨
- Muscovy duck reovinis 禽
- Muscovy duck reovirusis 番鴨呼腸孤病毒病
- muscovy duck reovirus disease 番鴨呼腸孤病毒
短語
英英字典
- a large crested widely domesticated South American duck, Cairina moschata, having a greenish-black plumage with white markings and a large red caruncle on the bill
柯林斯英英字典
專業(yè)釋義
- 番鴨
The results showed that: (l)The laying time of the muscovy duck can be devided into the first and the second laying period. The first laying period can last about 22 to 25 weeks.
採(cǎi)用“泄殖腔外托蛋法”對(duì)番鴨産蛋、就巢槼律跟蹤測(cè)試,結(jié)果表明:(1)番鴨産蛋分爲(wèi)第一、二産蛋期,第一産蛋期持續(xù)22~25周,換羽期10~12周;換羽後進(jìn)入第二産蛋期,經(jīng)20~22周産蛋後即可淘汰。機(jī)械工程
- 番鴨
Compared with Muscovy duck, Sumu duck need to be further improved.
但與番鴨相比有些性狀還有待進(jìn)一步改良。生物學(xué)
- 美洲家鴨