Breeding sows are seen inside a barn on a family run pig farm near Driffield, Britain, October 12, 2021. REUTERS/Phil Noble

Farmer Kate Morgan stands with some of her breeding sows on her family pig farm near Driffield, Britain, October 12, 2021. REUTERS/Phil Noble

Farmer Kate Morgan stands with some of her breeding sows on her family pig farm near Driffield, Britain, October 12, 2021. REUTERS/Phil Noble

A group of breeding sows are pictured inside a barn on a family pig farm near Driffield, Britain, October 12, 2021. Picture taken with a drone. REUTERS/Phil Noble

Farmer Kate Morgan stands with some of her breeding sows on her family pig farm near Driffield, Britain, October 12, 2021. REUTERS/Phil Noble

A breeding sow lies inside a barn on a family run pig farm near Driffield, Britain, October 12, 2021. REUTERS/Phil Noble

A group of breeding sows are pictured inside a barn on a family pig farm near Driffield, Britain, October 12, 2021. Picture taken with a drone. REUTERS/Phil Noble

A breeding sow is seen inside a barn on a family run pig farm near Driffield, Britain, October 12, 2021. REUTERS/Phil Noble

Farmer Kate Morgan stands with some of her breeding sows on her family pig farm near Driffield, Britain, October 12, 2021. REUTERS/Phil Noble

Farmers Kate Morgan (L) and Vicky Scott stand with some of their breeding sows on their family pig farm near Driffield, Britain, October 12, 2021. REUTERS/Phil Noble

A shop worker poses with a copy of "The Christmas Pig", a children's book written by J. K. Rowling, at a Waterstones store in London, Britain, October 12, 2021. REUTERS/Hannah McKay

Copies of "The Christmas Pig", a children's book written by J. K. Rowling, are displayed for sale at a Waterstones store in London, Britain, October 12, 2021. REUTERS/Hannah McKay

A shop worker poses with a copy of "The Christmas Pig", a children's book written by J. K. Rowling, at a Waterstones store in London, Britain, October 12, 2021. REUTERS/Hannah McKay

A copy of "The Christmas Pig", a children's book written by J. K. Rowling, is displayed at a Waterstones store in London, Britain, October 12, 2021. REUTERS/Hannah McKay

Copies of "The Christmas Pig", a children's book written by J. K. Rowling, are displayed for sale at a Waterstones store in London, Britain, October 12, 2021. REUTERS/Hannah McKay

A shop worker poses with copies of "The Christmas Pig", a children's book written by J. K. Rowling, at a Waterstones store in London, Britain, October 12, 2021. REUTERS/Hannah McKay

Copies of "The Christmas Pig", a children's book written by J. K. Rowling, are displayed for sale at a Waterstones store in London, Britain, October 12, 2021. REUTERS/Hannah McKay

Copies of "The Christmas Pig", a children's book written by J. K. Rowling, are displayed for sale at a Waterstones store in London, Britain, October 12, 2021. REUTERS/Hannah McKay

A shop worker poses with copies of "The Christmas Pig", a children's book written by J. K. Rowling, at a Waterstones store in London, Britain, October 12, 2021. REUTERS/Hannah McKay

A shop worker poses with copies of "The Christmas Pig", a children's book written by J. K. Rowling, at a Waterstones store in London, Britain, October 12, 2021. REUTERS/Hannah McKay

Pigs are seen on a farm near Bury St Edmunds, Britain, October 4, 2021. Picture taken with a drone. REUTERS/Matthew Childs

Pigs are seen on a farm near Bury St Edmunds, Britain, October 4, 2021. Picture taken with a drone. REUTERS/Matthew Childs

Pigs are seen on a farm near Bury St Edmunds, Britain, October 4, 2021. Picture taken with a drone. REUTERS/Matthew Childs

Pigs are seen on a farm near Bury St Edmunds, Britain, October 4, 2021. Picture taken with a drone. REUTERS/Matthew Childs

Pigs are seen on a farm near Thetford, Britain, October 4, 2021. Picture taken with a drone. REUTERS/Matthew Childs

Pigs are seen on a farm near Bury St Edmunds, Britain, October 4, 2021. Picture taken with a drone. REUTERS/Matthew Childs

Pigs are seen on a farm near Thetford, Britain, October 4, 2021. Picture taken with a drone. REUTERS/Matthew Childs

Pigs are seen on a farm near Thetford, Britain, October 4, 2021. Picture taken with a drone. REUTERS/Matthew Childs

Pigs are seen on a farm near Thetford, Britain, October 4, 2021. Picture taken with a drone. REUTERS/Matthew Childs

Workers in the British pig farming sector protest outside of the annual Conservative Party conference, in Manchester, Britain, October 4, 2021. REUTERS/Toby Melville

Workers in the British pig farming sector protest outside of the annual Conservative Party conference, in Manchester, Britain, October 4, 2021. REUTERS/Toby Melville

Workers in the British pig farming sector protest outside of the annual Conservative Party conference, in Manchester, Britain, October 4, 2021. REUTERS/Toby Melville

Workers in the British pig farming sector protest outside of the annual Conservative Party conference, in Manchester, Britain, October 4, 2021. REUTERS/Toby Melville

Butcher and small abattoir owner John Mettrick moves pig carcasses inside a refrigerator at his premises in Glossop, Britain, September 27, 2021. REUTERS/Phil Noble

A GB stamp is seen on a pig carcass inside a refrigerator at his premises in Glossop, Britain, September 27, 2021. REUTERS/Phil Noble

Butcher and small abattoir owner John Mettrick walks between pig carcasses inside a refrigerator at his premises in Glossop, Britain, September 27, 2021. REUTERS/Phil Noble

A GB stamp is seen on a pig carcass inside a refrigerator at his premises in Glossop, Britain, September 27, 2021. REUTERS/Phil Noble

People pet a pig in it's pen at the annual Balmoral agricultural show, which has returned after being cancelled last year due to coronavirus disease (COVID-19), in Lisburn, Northern Ireland, September 23, 2021. REUTERS/Clodagh Kilcoyne

A fattened pig is seen during the holy pig contest, held to mark the annual Hungry Ghost Festival in Taoyuan, Taiwan, August 27, 2021. REUTERS/Ann Wang

A man stands in front of a huge pig in a truck during the holy pig contest, held to mark the annual Hungry Ghost Festival in Taoyuan, Taiwan, August 27, 2021. REUTERS/Ann Wang TPX IMAGES OF THE DAY

A man looks at the pigs during the holy pig contest, held to mark the annual Hungry Ghost Festival in Taoyuan, Taiwan, August 27, 2021. REUTERS/Ann Wang

People cover their ears as fireworks go off during the holy pig contest, held to mark the annual Hungry Ghost Festival in Taoyuan, Taiwan, August 27, 2021. REUTERS/Ann Wang

A family looks at the pigs during the holy pig contest, held to mark the annual Hungry Ghost Festival in Taoyuan, Taiwan, August 27, 2021. REUTERS/Ann Wang

A man releases fireworks during the holy pig contest, held to mark the annual Hungry Ghost Festival in Taoyuan, Taiwan, August 27, 2021. REUTERS/Ann Wang

A woman looks at the pigs during the holy pig contest, held to mark the annual Hungry Ghost Festival in Taoyuan, Taiwan, August 27, 2021. REUTERS/Ann Wang

A team of drummers perform during the holy pig contest, held to mark the annual Hungry Ghost Festival in Taoyuan, Taiwan, August 27, 2021. REUTERS/Ann Wang

People ride past a table of prayer offerings, including an idol of a pig, during the annual Hungry Ghost Festival in Taoyuan, Taiwan, August 27, 2021. REUTERS/Ann Wang

A team of drummers perform during the holy pig contest, held to mark the annual Hungry Ghost Festival in Taoyuan, Taiwan, August 27, 2021. REUTERS/Ann Wang

A placard depicting a pig on the Argentinian and Chinese flags is seen outside the Chinese embassy, during a protest against the agreement between Argentina and China to produce and export pork to China, in Buenos Aires, Argentina August 25, 2021. REUTERS/Agustin Marcarian

Girls wearing face masks depicting pigs hold placards against the agreement between Argentina and China to produce and export pork to China, during a protest outside the Chinese embassy in Buenos Aires, Argentina August 25, 2021. REUTERS/Agustin Marcarian

Activists wear masks depicting pigs with the inscription "Enough of false solutions", during a protest against the agreement between Argentina and China to produce and export pork to China, outside the Chinese embassy in Buenos Aires, Argentina August 25, 2021. REUTERS/Agustin Marcarian

Activists wear face masks depicting pig noses with an inscription that reads "Enough of false solutions" during a protest against the agreement between Argentina and China to produce and export pork to China, outside the Chinese embassy in Buenos Aires, Argentina August 25, 2021. REUTERS/Agustin Marcarian

A couple wearing masks depicting pigs holds hands as they protest against the agreement between Argentina and China to produce and export pork to China, outside the Chinese embassy in Buenos Aires, Argentina August 25, 2021. REUTERS/Agustin Marcarian

An activist wears a masks depicting a pig during a protest against the agreement between Argentina and China to produce and export pork to China, outside the Chinese embassy in Buenos Aires, Argentina August 25, 2021. REUTERS/Agustin Marcarian

An activist wears a mask depicting a pig during a protest against the agreement between Argentina and China to produce and export pork to China, outside the Chinese embassy in Buenos Aires, Argentina August 25, 2021. REUTERS/Agustin Marcarian

A man gives a pig a microphone "to sing" on the stage of The Pork Chop Revue comedy show at the 117th Kentucky State Fair in Louisville, Kentucky, U.S. August 21, 2021. REUTERS/Amira Karaoud

A farmer gives a pig a microphone "to sing" on the stage of The Pork Chop Revue comedy show at the 117th Kentucky State Fair in Louisville, Kentucky, U.S. August 21, 2021. REUTERS/Amira Karaoud TPX IMAGES OF THE DAY

A street food vendor slices a roasted pig outside Kandal Market, during the coronavirus disease (COVID-19) outbreak, in Phnom Penh, Cambodia, August 12, 2021. REUTERS/Cindy Liu