China is killing a third of its pigs because of a gruesome and incurable fever, which could drive up the price of pork around the world

Wong Campion/Reuters

China is grappling with a widespread African swine flu (ASF) epidemic, a disease fatal to pigs but harmless to humans.
ASF’s effects on pigs are gruesome. Symptoms include diarrhea, depression, and miscarriages.
The government is urging farmers to cull infected pigs to prevent the spread of the disease, which is in turn dramatically decreasing the country’s pork production.
Dutch bank Rabobank estimates that the country will kill 150 million to 200 million pigs — or one third of the country’s supply — this year.
China is the world’s largest pork producer and consumer. The steep fall in pork production in China and likely rise in Chinese demand will likely drive up global pork prices, researchers say.
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China is expected to kill about a third of all pigs in the country this year due to an outbreak of the gruesome and incurable disease, African swine flu (ASF), which will likely drive up pork prices around the world.

African swine flu has spread to almost every province in mainland China since Beijing’s agriculture ministry confirmed the first outbreak in the northeastern Liaoning province, which borders North Korea, in August 2018.

The disease, which is deadly to pigs but harmless in humans, has since spread to the southern Chinese island of Hainan as well as to other Asian countries like Vietnam, Cambodia, and Mongolia, according to the UN’s Food and Agriculture Organization (FAO).

Some 1.02 million pigs have been culled in China so far in an effort to prevent the spread of the disease, China’s agriculture ministry reported last month.

Reuters/Claro Cortes IV

The country is expected to produce 25% to 35% less pork this year as a result of ASF, the Netherlands’ Rabobank said in a note last month. That accounts for between 150 million and 200 million pigs.

China is the world’s largest pork consumer and producer, and a 30% drop in the country’s pork production is equivalent to Europe’s annual pork supply, Rabobank said.

The fall in domestic pork production is also expected to push up the demand for pork around the world, which will result in supply shortfalls and global price rises.

The Chinese government has already stocked up on frozen pork in anticipation of production falls, The New York Times reported.

Goldman Sachs said in a note published last month that US pork import prices might fall from highs after ASF trimmed China’s supply.

Kim Kyung-Hoon/Reuters

The symptoms: Diarrhea, depression, and miscarriages

The effects of ASF on pigs are gruesome.

Infected animals can experience high fevers, diarrhoea, depression, decreased appetite, and reddened or bluish skin, according to the World Organisation for Animal Health. Pregnant sows can also lose their babies.

Hogs with acute ASF typically die within days. There is no vaccine or cure for the disease so far.

Most of the first cases of ASF in China were related to the pigs being fed food scraps or kitchen waste, also known as swill feeding, Reuters reported, citing China’s agricultural ministry.

The practice is popular among many Chinese rural farmers because it’s cheaper than manufactured hog feed, Reuters reported. It has caused many animal disease outbreaks around the world in the past, including that of foot and mouth disease in the UK in 2001.

Ryan Woo/Reuters

China tries to sterilize the mess, but farmers are still dumping pigs in rivers and ditches

The Chinese government is desperately trying to curb the spread of the disease by making slaughterhouse inspections more stringent, setting up buffer zones around infected areas, and restricting the travel of live pigs, the FAO reported, citing the agriculture ministry.

The government also threatened farmers who don’t report outbreaks with unspecified legal punishments in a memo published this January.

However, in many provinces, farmers and producers are failing to detect the infections and aren’t taking the correct safety precautions, the Times and CNN reported.

Both outlets have reported several farmers as saying they hadn’t reported possible infections to authorities, and that officials were taking too long to respond to potential outbreaks.

There have also been multiple sightings of dead pigs piled up in rivers and ditches around the country, the New York Times reported.

Rabobank analyst Christine McCracken told the newspaper: "It only takes one infected piece of meat entering the chain to muck it all up again."

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