您要查找的是不是:
- Domestic poultry is infected when they come into direct/indirect contact with faeces or nasal secretion of infected wild birds. 家禽与感染后的野生鸟类排泄物或鼻内分泌物直接/间接接触后也会被感染。
- Domestic poultry, including chickens and turkeys, are particularly susceptible to epidemics of influenza. 各种家禽,包括鸡和火鸡等,则特别容易受禽流感病毒感染。
- Spread of infection to domestic poultry is predominantly by contamination from infected droppings. 家禽的感染主要是由于直接接触野生禽鸟的排泄物,
- We had developed a new picker that was aimed at domestic poultry pickers at the present. 针对我国目前使用的家禽脱羽机的缺点,研制了一种新型脱羽机,论述了该机的结构及优点。
- That outbreak, which occurred in the northwestern part of the country, was attributed to contact between domestic poultry and migratory waterfowl. 那次疫情出现在该国的西北省份,传染是由于家禽和迁徙中的水禽接触造成的。
- Stopping avian influenza The H5N1 virus has devastated Asia's domestic poultry, but has not yet changed into a form transmissible to humans. H5N1型病毒对亚洲的家禽养殖业造成了严重的破坏,但尚未变成可在人类之间传播的病毒。
- Most cases of human deaths have been due to contact with infected domestic poultry, or surfaces contaminated by poultry, not from contact with wild birds. 大部份人类死亡个案的受害人,均因接触受感染的家禽,或被家禽污染的地方而染病,而并非经接触野鸟而感染。
- We had developed a new picker that was aimed at domestic poultry pickers at the present. The article stated the structure and the advantage of the new picker. 针对我国目前使用的家禽脱羽机的缺点,研制了一种新型脱羽机,论述了该机的结构及优点。
- Avian pasteurellosis and Avian colibacillosis are frequent primary or sequential bacterial diseases in domestic poultry, which can cause significant threat and economic damage. 禽巴氏杆菌病、禽大肠杆菌病一直是养禽业中常发生的原发或继发性细菌病,对养禽业造成不小的威胁和损失。
- Domestic poultry and livestock producers supported the resolution, and the Interagency Commission on Domestic Market Protection recommended its adoption. 国内家禽牲畜生产企业对这一决议表示支持,国内市场保护跨部门委员会建议通过这一决议。
- The level of pandemic risk depends on how widespread H5N1 is in domestic poultry, how often the virus is transmitted to humans, and the concurrent circulation of human influenza viruses. 大流行危险的程度取决于H5N1如何在家禽中广泛传播、病毒多久传播给人以及同时发生的人类流感病毒的传播。
- Stress syndrome of domestic poultry 家禽应激综合征
- the production of domestic poultry and livestock 畜禽生产
- Quarantine Management of Whole-sale Markets for Domestic Poultry 浅谈家禽批发市场的检疫管理
- Current Situation and Development Trend of Domestic Poultry Meat Industry 我国禽肉加工业现状及发展方向
- The farm breeds a wide range of poultry. 这个农场饲养各种家禽。
- Poultry is expensive at this time of year. 一年中的这个时候禽肉很贵。
- The cat is a domestic animal in many countries. 猫在许多国家都是家养动物。
- She felt fenced in by domestic routine. 她觉得自己完全被家务事束缚住了。
- of livestock and domestic poultry; permitted to graze or forage rather than being confined to a feedlot. 指牲畜或者家禽;可以放牧或者找食吃而不是被限制在饲育场里。