单词：rubulavirus newcastle disease
单词：rubulavirus newcastle disease 相关文章
This is the VOA Special English Agriculture Report. Exotic Newcastle disease is a bird virus found in many parts of the world. Many kinds of birds carry it. But it especially affects chickens and a few others. It spreads very fast and there is no tr
VOA慢速英语2007年（十二）月
By David McAlary Washington 23 May 2006 Chickens at US farm Scientists have developed an efficient, cheap way to vaccinate birds against avian influenza and possibly prevent the spread of the deadly H
2006年VOA标准英语（五月）
AGRICULTURE REPORT - Outbreaks of Disease Cut World Meat Exports By Mario Ritter Broadcast: Tuesday, March 09, 2004 This is Steve Ember with the VOA Special English Agriculture Report. A United Nation
农业与发展
22 防止口蹄疫的传播 DATE=3-17-01 TITLE=IN THE NEWS #472 - Foot-and-Mouth (1)Disease BYLINE=George Grow (Start at 1'08
科技之光
AGRICULTURE REPORT - Officials Suspect Exotic Newcastle Disease Killed Chickens in Brazil By Mario Ritter Broadcast: Tuesday, June 07, 2005 I'm Gwen Outen with the VOA Special English Agriculture Repo
农业与发展
By Sonja Pace London 07 August 2007 British police officers block a public footpath leading to a farm outside Normandy, England, where a nsecond outbreak of foot-and-mouth disease was was discovered Tuesday, 7 Aug. 2007 Foot and mouth disease has spr
2007年VOA标准英语（八月）