The government statement said that the number of pigs being salvaged from the river appeared to be decreasing.
The researchers said they treated the rats and pigs immediately after a heart attack.
Officials said the pigs may have been infected by a Canadian farmer who recently returned from a trip to Mexico, the epicenter of the outbreak.
Nearby, Quay County rancher Bill Humphries said the pigs were responsible for leaving "bomb craters everywhere" along a quarter-mile stretch of road on his family ranch.
Fernandez, who is in his 80s, was the U.S.-trained head of the Cuban military force that defeated the U.S.-backed invasion at the Bay of Pigs, said CNN analyst Carlos Alberto Montaner.
They said the pigs may have been infected by a Canadian farmer who recently returned from a trip to Mexico, the epicenter of the outbreak that has sickened more than 680 people.
Ranchers and farmers have complained for years about the damage feral pigs can cause, but federal and state officials said the loss of crops, the spread of noxious weeds as the pigs carry seeds to new spots and the stress they put on endangered species and other wildlife is now worse due to a persistent drought that has hammered two-thirds of the country.
The Ministry of Agriculture has said about 1, 000 pigs on the farm would be slaughtered in the next couple of days.
The work of fishing out the dead pigs in the river was "basically finished", the government said in a statement released on Sunday.
Opening the debate, she said that researchers shouldn't be "the guinea pigs of bureaucrats and red tape".
"This river's colour is about the same as excrement, even if there weren't dead pigs you couldn't drink it, " said another, with the username Yuzhou Duelist.
"We have determined that the virus H1N1, found in these pigs, is the virus which is being tracked in the human population, " said Brian Evans of the Canadian Food Inspection Agency.
"We have determined that the virus H1N1, found in these pigs, is the virus which is being tracked in the human population, " said Dr. Brian Evans of the Canadian Food Inspection Agency. iReport.com: How should H1N1 be handled?
Hitting the pigs quickly will prevent them from becoming more educated, he said.
"Swine flu" was "an unfortunate name for everybody involved in swine production, implying that the pigs were the source of this current outbreak, " Gramer said.
CNN: Inaccurate 'swine' flu label hurts industry, pork producers say
"It runs the whole gamut, " he said, mentioning turtles, guinea pigs, snakes and more.
And Rovio said: go forth and be angry, for the pigs hath absconded with thy eggs and hidden themselves away in curiously arranged fortresses of stone and wood furnished with many glittering jewels and succulent hams.
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In a statement, Shanghai authorities said that 5, 916 dead pigs had been removed from the river by Tuesday.
"We must never allow our citizens to be unwitting guinea pigs in scientific experiments that put them at risk without their consent, " the president said.
The procine circovirus , which can be present in pigs but not affect humans, was detected in some tests of the dead animals, it said.
FORBES: Shanghai Dead Pig Count Hits 5,916, Government Paper Says
The company apologized on its website and said it discontinued partnerships with producers using the additive, which speeds muscle growth in pigs but can cause headaches and an irregular heartbeat when consumed by humans.
Health and agricultural authorities in Shanghai said on Monday they were investigating any potential health impact from pigs found floating in the Huangpu River and nearby waters in recent days, as well as how they got there.
In an April interview with the China Daily newspaper, Mr. Wan said he arranged to receive daily text messages about the company's efforts to quarantine and track pigs.
If the genetically modified pigs are approved for human consumption by the Canadian Government, and they are produced in large numbers, the scientists said that the manure's harmful effects could be reduced.
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