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Mad Cow Disease in CanadaFor years, Canada had been virtually free of mad cow disease. But

Mad Cow Disease in Canada

For years, Canada had been virtually free of mad cow disease. But in May 2003, veterinary officials in Alberta confirmed that a sick cow sent to a slaughterhouse in January of that year had been inspected, found to be substandard, and removed so that it would not end up as food for humans or other animals. The carcass was, however, sent to a processing plant for rendering into oils. Its head was kept for testing. Samples were sent to the world testing laboratories in the U. K. , which confirmed the case of mad cow.

"What is important is that the system worked," said Shirley McClellan, Alberta's agriculture minister at the time. "We have a very thorough and respected inspection system." She was insistent to remind the public that the disease is not contagious within a herd. But McClellan's assurances didn't stop the U. S. , Japan, South Korea, Australia and other countries from imposing temporary import bans of Canadian beef. Quick Facts

Canada has close to 13.5 million cows and calves.

About 5.7 million (or 42 percent) are in Alberta.

Canada's total beef exports amount to $ 2.2 billion annually, and have risen sharply in recent years.

Since 1991, beef exports have risen from 100,000 tons to about 500,000 tons.

Growth in exports has been greatest to Japan, South Korea and Mexico.

Alberta's share of total beef exports is 39 percent (worth about $ 860 million a year).

In an investigation into the source of the infection, 1,400 cows were slaughtered and tested for the disease. No other cows were found to have BSE until late December 2004. Western premiers demanded $ 360 million compensation from the federal government for losses to the beef industry because of the mad cow scare. Ottawa would later offer $190 million.

Over the summer of 2003, cattle ranchers held barbeques across Canada to help pro mote Canadian beef. In August, the U. S. reopened its borders to some Canadian beef, but the border was still closed to live cattle. By this time, a cow that would have normally sold for $1,300 was selling for $15. Canadian beef producers asked Ottawa to approve a mass slaughter of 620, 000 cattle to reduce the size of the herd and prevent further damage to the industry.

In October, it was reported that the border would reopen to live cattle in December 2003. But on Dec. 23, 2003, the U. S. announced that it had discovered its first apparent case of BSE in a cow in Washington State. Several countries banned beef from the U. S. soon after the announcement, but Canada restricted imports only on some products made from cattle and other ruminants. It still allowed the import of cattle destined for immediate slaughter, boneless beef from cattle under 30 months of age and dairy products.

DNA evidence later revealed that the cow was born in Canada, and the U.S. kept its border shut to live Canadian cattle. On Dec. 29, 2004, The USDA announced that it recognized Canada as a "minimal--risk region" for BSE and imports of young Canadian cattle would resume March 7, 2005. The new classification means the U. S. will not again close its borders to Canadian beef unless there are two or more cases of BSE per one million cattle older than 24 months of age in each of four consecutive years. Simply put, Canada can have up to 11 cases of BSE and still be considered a safe country for cattle exports. The move came less than a month after U. S. President George W. Bush made his first official visit to Canada and said the process for reopening the border was underway.

However, five days before the ban was to be lifted, a U. S..judge granted a temporary injunction to stop the reopening of the border. The ban came at the request of a group of American ranchers called R-CAI.F, who filed a lawsuit saying reopening the border would cause irreparabl

A.Y

B.N

C.NG

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更多“Mad Cow Disease in CanadaFor years, Canada had been virtually free of mad cow disease. But”相关的问题

第1题

There is less risk of mad cow disease in young cows.A.YB.NC.NG

There is less risk of mad cow disease in young cows.

A.Y

B.N

C.NG

点击查看答案

第2题

Which of the following countries has NOT found mad cow disease yet?A.England.B.Japan.C.Chi

Which of the following countries has NOT found mad cow disease yet?

A.England.

B.Japan.

C.China.

点击查看答案

第3题

The year 2003 saw incidents of mad cow disease in both Canada and the United States.A.YB.N

The year 2003 saw incidents of mad cow disease in both Canada and the United States.

A.Y

B.N

C.NG

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第4题

How did mad cow disease spread and cause cattle to die?A.By using MBM (meat-and-bone meal)

How did mad cow disease spread and cause cattle to die?

A.By using MBM (meat-and-bone meal) with different plants.

B.By eating infected (感染的) MBM.

C.By importing foreign cattle.

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第5题

Cattle imported from Britain were considered especially likely to have mad cow disease, ac
cording to the Canadian Ministry of Agriculture.

A.Y

B.N

C.NG

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第6题

Some people feel that apes should be given special treatment because.A.they are geneticall

Some people feel that apes should be given special treatment because.

A.they are genetically similar to humans

B.they can help final a cure for "mad cow" disease

C.they possess a consciousness superior to humans

D.they are treated poorly by scientists

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第7题

Some people feel that apes should be given special treatment because ______.A.they are gen

Some people feel that apes should be given special treatment because ______.

A.they are genetically similar to humans

B.they can help find a cure for "mad cow" disease

C.they possess a consciousness superior to humans

D.they are treated poorly by scientists

点击查看答案

第8题

The United Nations Food and Agriculture Organization has warned that Mad Cow Disease could
spread worldwide. Officials are【B1】governments around the world to take【B2】to reduce the risk of MCD【B3】humans. They say.all countries should take measures to【B4】the safety of cattle and beef【B5】.

All animals known to have the【B6】have been found in Europe or European imports. The FAO says all countries which【B7】cattle or meat and bone meat from Western Europe since 1980s can be considered at【B8】for the disease. It says these countries should consider an immediate【B9】on feeding meat and bone meat to all【B10】.

The cattle disease is Bovine Spongiform. Encephalopathy(牛绵状脑病), or BSE. It causes holes in the brain. Cows act【B11】before they die. So it is known【B12】Mad Cow Disease. Scientists believe eating【B13】beef may cause a similar【B14】disease in humans. This deadly disease is Creutzfeldt-Jakob Disease. It can not be【B15】.

In the United States American officials have taken steps to【B16】MCD from entering the country. The government【B17】imports of cows and other animals from countries【B18】BES exists. Imports of some feed products from such areas also are restricted. Feed containing animal remains is suspected of【B19】the disease. American officials say they are【B20】animals for signs of BSE. The brains of these animals are sent to the Agriculture Department For additional tests.

【B1】

A.making

B.urging

C.driving

D.forcing

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第9题

French President said that "all Britain has ever done for European agriculture is mad cow"
, which is most likely to be ______.

A.true

B.critical

C.ironic

D.joking

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第10题

听力原文:M: Oh, it is terrible! Aboard Aerolineas Argentinas flight 386, 368 passengers we
re given pre-prepared food on their way from Buenos Aires to Los Angeles.

W: Then what happened?

M: A few days after arriving in Los Angeles, one passenger died, and 74 others were seriously ill.

W: And what is the reason for that?

M: According to Dr. Phillips, it was the highest single outbreak of cholera in the United States this century, and the airline passengers were the victims of this new epidemic of cholera, a disease not seen in Latin America since 1895. They were just a few of the more than one million people affected in 20 countries, including at least 10,000 who died in the following three years after 1991.

W: Cholera? To the best of my understanding, that disease has been dead for some time now.

M: But it has come back. Dr. Phillips says that cholera is by no means the only old infection on the comeback, and it is one of the major infections that are fighting back fiercely against man's attempts to control them.

W: But what are the reasons for the comeback of so many dead diseases?

M: Phillips says a single reason can't explain why a new disease appears or an old one returns, and usually a combination of factors are involved.

W: What kind of specific factors?

M: Dr. Phillips in his book Plagues on Our Doorstep presents some reasons.

W: What are they?

M: First, international travel and commerce. The cholera aboard flight 386 and mosquitoes living in imported tires are examples of these. Second, technology and industry. For example, the technology in Britain's processing industry was a likely contributor to the emergence of mad cow disease. Third, the breakdown of public health measures. Declining health resources have resulted in the erosion of once highly-valued health services.

W: Well, that's just unbelievable!

(26)

A.A flight to Los Angeles.

B.A book written by a doctor.

C.A disease on the comeback and its reasons.

D.Man's effort to control disease.

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