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(单词翻译:双击或拖选)
London
07 August 2007
Foot and mouth disease has spread to a second herd2 of cattle in southern Britain, as experts narrow down the possible source and step up efforts at containment3. VOA's Sonja Pace reports from London.
footpath1 leading to a farm outside Normandy, England, where a nsecond outbreak of foot-and-mouth disease was was announced Tuesday, 7 Aug. 2007" hspace="2" src="/upimg/allimg/070811/0938110.jpg" width="141" vspace="2" border="0" />
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
Officials are expressing concern over the possible spread of the highly contagious4 foot and mouth disease after a second herd of cattle was found to have contracted the virus.
"The tests that were done overnight on the samples taken from the animals culled5 does confirm foot and mouth," explained British Environment Secretary Hilary Benn.
Two farms in southern England have been hit. The herds6 have been culled and authorities have cordoned7 off the farms as well as a nearby site where an animal research laboratory is located.
Roger Pride's family farm in Surrey, southwest of London, was where the first outbreak was discovered last Friday. Speaking to reporters, Pride said he was devastated8 when he found something wrong with his herd of cattle.
"They were drooling, lots of saliva9 running out either side of the mouth," Pride said. "There was no lameness10 at that point. They were very lethargic11, walking around very slowly, which obviously to a farmer you can tell there is something drastically wrong."
Excessive saliva, lameness, blisters12 around the mouth and hooves, raised temperature and lethargy are the main symptoms of the virus. The disease affects cloven-hoofed animals such as cattle, sheep, goats and pigs and is spread mostly through direct contact from one infected animal to another or through contaminated feed.
The virus is rarely fatal, but spreads rapidly and is generally dealt with through extensive culling13. The disease does not usually affect humans.
Authorities are investigating a nearby animal research laboratory, shared by a British government institute and a private pharmaceutical14 company as a possible source. The lab produces a vaccine15 using the same rare strain of the virus. The lab says none of its safety procedures have been breached16, but there is concern last month's heavy rains may have resulted in sewer17 backups or seepage18 from the lab site into the surrounding fields.
Spokesman for the National Farmers' Union, Anthony Gibson, told reporters that despite major efforts there is no assurance the disease can be contained quickly.
"I think everything that could have been done has been done," Gibson said. "The lessons have so far been learned from what went wrong in the 2001 outbreak, but foot and mouth is a hugely virulent19 disease and the virus can spread quickly and it can spread very long distances."
Britain was hit by a major foot and mouth outbreak in 2001 with more than 2,000 cases spread across the country. More than six million animals were culled and the cost to the industry was estimated in the millions of dollars.
1 footpath | |
n.小路,人行道 | |
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2 herd | |
n.兽群,牧群;vt.使集中,把…赶在一起 | |
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3 containment | |
n.阻止,遏制;容量 | |
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4 contagious | |
adj.传染性的,有感染力的 | |
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5 culled | |
v.挑选,剔除( cull的过去式和过去分词 ) | |
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6 herds | |
兽群( herd的名词复数 ); 牧群; 人群; 群众 | |
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7 cordoned | |
v.封锁,用警戒线围住( cordon的过去式 ) | |
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8 devastated | |
v.彻底破坏( devastate的过去式和过去分词);摧毁;毁灭;在感情上(精神上、财务上等)压垮adj.毁坏的;极为震惊的 | |
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9 saliva | |
n.唾液,口水 | |
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10 lameness | |
n. 跛, 瘸, 残废 | |
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11 lethargic | |
adj.昏睡的,懒洋洋的 | |
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12 blisters | |
n.水疱( blister的名词复数 );水肿;气泡 | |
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13 culling | |
n.选择,大批物品中剔出劣质货v.挑选,剔除( cull的现在分词 ) | |
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14 pharmaceutical | |
adj.药学的,药物的;药用的,药剂师的 | |
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15 vaccine | |
n.牛痘苗,疫苗;adj.牛痘的,疫苗的 | |
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16 breached | |
攻破( breach的现在分词 ); 破坏,违反 | |
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17 sewer | |
n.排水沟,下水道 | |
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18 seepage | |
n.泄漏 | |
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19 virulent | |
adj.有毒的,有恶意的,充满敌意的 | |
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