French President Emmanuel Macron looks at pigs at La Ferme d'Etaules farm, during an official visit in Burgundy focused on agricultural issues, in Etaules, France, February 23, 2021. Ludovic Marin/Pool via REUTERS

French President Emmanuel Macron looks at pigs as he visits La Ferme d'Etaules farm with French Agriculture Minister Julien Denormandie and local Senator Francois Patriat, during an official visit in Burgundy focused on agricultural issues, in Etaules, France, February 23, 2021. Ludovic Marin/Pool via REUTERS

Piglets drink milk from a sow at a pig farm in Yaji, Guangxi Zhuang Autonomous Region, China, March 21, 2018. Picture taken March 21, 2018. REUTERS/Thomas Suen

Pigs are seen on a family farm in Xiaoxinzhuang village, Hebei province, China January 25, 2018. Picture taken January 25, 2018. REUTERS/Dominique Patton

Percy Pig products are on display at a Marks & Spencer store in South Woodford, London, Britain, January 8, 2021. REUTERS/James Davey

People supporting the government's restrictions hold a banner reading: "Corona deniers and nazi pigs", following the coronavirus disease (COVID-19) outbreak, in Berlin, Germany, December 30, 2020. REUTERS/Christian Mang

A pig sits in the mud in front of a damaged farm in Majske Poljan village after an earthquake in Croatia, December 30, 2020. REUTERS/Antonio Bronic

Pigs sit in the mud in front of a damaged farm in Majske Poljan village after an earthquake in Croatia, December 30, 2020. REUTERS/Antonio Bronic

A worker wearing a face mask as protection against the coronavirus disease (COVID-19) carries a pig on a bamboo pole at a roasting pit, in Manila, Philippines, December 21, 2020. REUTERS/Lisa Marie David

A worker roasts a row of pigs on bamboo poles at a roasting pit, in Manila, Philippines, December 21, 2020. REUTERS/Lisa Marie David

A worker wearing a face mask as protection against the coronavirus disease (COVID-19) carries a pig on bamboo pole at a roasting pit, in Manila, Philippines, December 21, 2020. REUTERS/Lisa Marie David

A worker roasts a row of pigs on bamboo poles at a roasting pit, in Manila, Philippines, December 21, 2020. REUTERS/Lisa Marie David

A worker roasts a row of pigs on bamboo poles at a roasting pit, in Manila, Philippines, December 21, 2020. REUTERS/Lisa Marie David

A worker wearing a face mask as protection against the coronavirus disease (COVID-19) pushes a cart of roasted pigs, locally known as "lechon," at a roasting pit, in Manila, Philippines, December 21, 2020. REUTERS/Lisa Marie David

A worker wearing a face mask and a face shield as protection against the coronavirus disease (COVID-19) pushes a cart of roasted pigs, locally known as "lechon," along a road, in Quezon City, Metro Manila, Philippines, December 21, 2020. REUTERS/Lisa Marie David

Workers wearing face masks as a protection against the coronavirus disease (COVID-19) carry roasted pigs, locally known as "lechon," at a restaurant, in Quezon City, Metro Manila, Philippines, December 21, 2020. REUTERS/Lisa Marie David

Workers wearing face masks as protection against the coronavirus disease (COVID-19) prepare roasted pigs, locally known as "lechon," at a restaurant, in Quezon City, Metro Manila, Philippines, December 21, 2020. REUTERS/Lisa Marie David

A worker wearing a face mask as a protection against the coronavirus disease (COVID-19) arranges roasted pigs on the display at a restaurant, in Quezon City, Metro Manila, Philippines, December 21, 2020. REUTERS/Lisa Marie David

A row of pigs on bamboo poles is roasted at a roasting pit, in Manila, Philippines, December 21, 2020. REUTERS/Lisa Marie David

A worker wearing a face mask as a protection against the coronavirus disease (COVID-19) arranges roasted pigs, locally known as "lechon," at a restaurant, in Quezon City, Metro Manila, Philippines, December 21, 2020. REUTERS/Lisa Marie David

Pigs are seen on a pig farm in Pingtung, Taiwan, December 14, 2020. Picture taken December 14, 2020. REUTERS/Ann Wang

Staff make marks on a pig on a farm in Pingtung, Taiwan, December 14, 2020. Picture taken December 14, 2020. REUTERS/Ann Wang

Pigs are seen on a pig farm in Pingtung, Taiwan, December 14, 2020. Picture taken December 14, 2020. REUTERS/Ann Wang

Pigs are seen on a pig farm in Pingtung, Taiwan, December 14, 2020. Picture taken December 14, 2020. REUTERS/Ann Wang

Pigs are seen on a pig farm in Pingtung, Taiwan, December 14, 2020. Picture taken December 14, 2020. REUTERS/Ann Wang

Pigs are seen on a pig farm in Pingtung, Taiwan, December 14, 2020. Picture taken December 14, 2020. REUTERS/Ann Wang

Pigs are seen on a pig farm in Pingtung, Taiwan, December 14, 2020. Picture taken December 14, 2020. REUTERS/Ann Wang

Pigs are seen on a pig farm in Pingtung, Taiwan, December 14, 2020. Picture taken December 14, 2020. REUTERS/Ann Wang

A staff member cleans a pig farm in Pingtung, Taiwan, December 14, 2020. Picture taken December 14, 2020. REUTERS/Ann Wang

A staff member guides a female pig into the labor room at a pig farm in Pingtung, Taiwan, December 14, 2020. Picture taken December 14, 2020. REUTERS/Ann Wang

Pigs are seen on a pig farm in Pingtung, Taiwan, December 14, 2020. Picture taken December 14, 2020. REUTERS/Ann Wang

Men from the Paiwan tribe push a cart with a pig to the wedding ceremony in Pingtung, Taiwan, December 12, 2020. REUTERS/Ann Wang TPX IMAGES OF THE DAY

An animal rights activist from Igualdad Animal (Animal Equality) holds a picture of a pig as they demonstrate to mark the International Animal Rights Day at Puerta del Sol square in Madrid, Spain, December 12, 2020. REUTERS/Juan Medina

A pig head is seen in a street stand at a market in Port-au-Prince, Haiti, December 9, 2020. REUTERS/Andres Martinez Casares

A worker paints a glass Christmas tree decoration shaped like a pig at OzdobaCZ factory, as the spread of the coronavirus disease (COVID-19) continues in Dvur Kralove nad Labem, Czech Republic, December 1, 2020. The masked Golden Pig ornaments draw inspiration from a Czech tradition of fasting on Christmas Day to see a Golden Pig, as well as the COVID-19 pandemic. Picture taken December 1, 2020. REUTERS/David W Cerny

Glass Christmas tree decorations shaped like pigs are seen at OzdobaCZ factory, as the spread of the coronavirus disease (COVID-19) continues in Dvur Kralove nad Labem, Czech Republic, December 1, 2020. The masked Golden Pig ornaments draw inspiration from a Czech tradition of fasting on Christmas Day to see a Golden Pig, as well as the COVID-19 pandemic. Picture taken December 1, 2020. REUTERS/David W Cerny

Glass Christmas tree decorations shaped like pigs are seen at OzdobaCZ factory, as the spread of the coronavirus disease (COVID-19) continues in Dvur Kralove nad Labem, Czech Republic, December 1, 2020. The masked Golden Pig ornaments draw inspiration from a Czech tradition of fasting on Christmas Day to see a Golden Pig, as well as the COVID-19 pandemic. Picture taken December 1, 2020. REUTERS/David W Cerny

A worker packs glass Christmas tree decorations shaped like pigs at OzdobaCZ factory, as the spread of the coronavirus disease (COVID-19) continues in Dvur Kralove nad Labem, Czech Republic, December 1, 2020. The masked Golden Pig ornaments draw inspiration from a Czech tradition of fasting on Christmas Day to see a Golden Pig, as well as the COVID-19 pandemic. Picture taken December 1, 2020. REUTERS/David W Cerny

A worker sorts glass Christmas tree decorations at OzdobaCZ factory, as the spread of the coronavirus disease (COVID-19) continues in Dvur Kralove nad Labem, Czech Republic, December 1, 2020. The masked Golden Pig ornaments draw inspiration from a Czech tradition of fasting on Christmas Day to see a Golden Pig, as well as the COVID-19 pandemic. Picture taken December 1, 2020. REUTERS/David W Cerny

Glass Christmas tree decorations shaped like pigs are seen at OzdobaCZ factory, as the spread of the coronavirus disease (COVID-19) continues in Dvur Kralove nad Labem, Czech Republic, December 1, 2020. The masked Golden Pig ornaments draw inspiration from a Czech tradition of fasting on Christmas Day to see a Golden Pig, as well as the COVID-19 pandemic. Picture taken December 1, 2020. REUTERS/David W Cerny

A worker paints glass Christmas tree decorations shaped like pigs at OzdobaCZ factory, as the spread of the coronavirus disease (COVID-19) continues in Dvur Kralove nad Labem, Czech Republic, December 1, 2020. The masked Golden Pig ornaments draw inspiration from a Czech tradition of fasting on Christmas Day to see a Golden Pig, as well as the COVID-19 pandemic. Picture taken December 1, 2020. REUTERS/David W Cerny

A worker paints a face mask on a glass Christmas tree decoration shaped like a pig at OzdobaCZ factory, as the spread of the coronavirus disease (COVID-19) continues in Dvur Kralove nad Labem, Czech Republic, December 1, 2020. The masked Golden Pig ornaments draw inspiration from a Czech tradition of fasting on Christmas Day to see a Golden Pig, as well as the COVID-19 pandemic. Picture taken December 1, 2020. REUTERS/David W Cerny

A worker paints a face mask on a glass Christmas tree decoration shaped like a pig at OzdobaCZ factory, as the spread of the coronavirus disease (COVID-19) continues in Dvur Kralove nad Labem, Czech Republic, December 1, 2020. The masked Golden Pig ornaments draw inspiration from a Czech tradition of fasting on Christmas Day to see a Golden Pig, as well as the COVID-19 pandemic. Picture taken December 1, 2020. REUTERS/David W Cerny

A worker sorts glass Christmas tree decorations shaped like pigs at OzdobaCZ factory, as the spread of the coronavirus disease (COVID-19) continues in Dvur Kralove nad Labem, Czech Republic, December 1, 2020. The masked Golden Pig ornaments draw inspiration from a Czech tradition of fasting on Christmas Day to see a Golden Pig, as well as the COVID-19 pandemic. Picture taken December 1, 2020. REUTERS/David W Cerny

Workers paint glass Christmas tree decorations shaped like pigs at OzdobaCZ factory, as the spread of the coronavirus disease (COVID-19) continues in Dvur Kralove nad Labem, Czech Republic, December 1, 2020. The masked Golden Pig ornaments draw inspiration from a Czech tradition of fasting on Christmas Day to see a Golden Pig, as well as the COVID-19 pandemic. Picture taken December 1, 2020. REUTERS/David W Cerny

A worker carries a frame with glass Christmas tree decorations at OzdobaCZ factory, as the spread of the coronavirus disease (COVID-19) continues in Dvur Kralove nad Labem, Czech Republic, December 1, 2020. Picture taken December 1, 2020. REUTERS/David W Cerny

A worker blows a glass Christmas tree decoration shaped like a pig at OzdobaCZ factory, as the spread of the coronavirus disease (COVID-19) continues in Dvur Kralove nad Labem, Czech Republic, December 1, 2020. The masked Golden Pig ornaments draw inspiration from a Czech tradition of fasting on Christmas Day to see a Golden Pig, as well as the COVID-19 pandemic. Picture taken December 1, 2020. REUTERS/David W Cerny

A worker heats a glass Christmas tree decoration shaped like a pig at OzdobaCZ factory, as the spread of the coronavirus disease (COVID-19) continues in Dvur Kralove nad Labem, Czech Republic, December 1, 2020. The masked Golden Pig ornaments draw inspiration from a Czech tradition of fasting on Christmas Day to see a Golden Pig, as well as the coronavirus pandemic. Picture taken December 1, 2020. REUTERS/David W Cerny

An employee washes down a slaughtered pig amid the coronavirus disease (COVID-19) outbreak in LaGrange, Indiana, Michigan, U.S., November 20, 2020. REUTERS/Emily Elconin

An employee washes down a slaughtered pig amid the coronavirus disease (COVID-19) outbreak in LaGrange, Indiana, Michigan, U.S., November 20, 2020. REUTERS/Emily Elconin

Liam Holt relaxes as he connects with his favourite guinea pig Shadow, during a visit to Future Roots, a community farm staying open to support the vulnerable amid the COVID-19 pandemic, in Sherborne, Britain November 13, 2020. Picture taken November 13, 2020. REUTERS/Dylan Martinez

Pauline Sangers smiles as she cuddles her favourite guinea pig Ginger Biscuit, during a visit to Pathways Care Farm, a community farm staying open to support the vulnerable amid the COVID-19 pandemic, in Lowestoft, Britain November 12, 2020. Picture taken November 12, 2020. REUTERS/Dylan Martinez

Police officers stand guard as a demonstrator dressed as a police officer while wearing a pig mask lies on the ground at a protest near Washington Square park the day after Election Day in Manhattan, New York City, New York, U.S., November 4, 2020. REUTERS/Jeenah Moon

A sow (female pig) nestles in mud on Derrydale Farm, an organic dairy farm in Belle Plaine, Minnesota, U.S., October 24, 2020. Picture taken October 24, 2020. REUTERS/Bing Guan

Organic dairy farmer Kevin Stuedemann carries empty buckets after feeding whey to his pigs on Derrydale Farm in Belle Plaine, Minnesota, U.S., October 24, 2020. Picture taken October 24, 2020. REUTERS/Bing Guan

Organic dairy farmer Kevin Stuedemann feeds leftover whey to his pigs on Derrydale Farm in Belle Plaine, Minnesota, U.S., October 24, 2020. Picture taken October 24, 2020. REUTERS/Bing Guan

An aerial view of the pig and cattle yards at Derrydale Farm, an organic dairy farm, in Belle Plaine, Minnesota, U.S., October 24, 2020. Picture taken with a drone on October 24, 2020. REUTERS/Bing Guan

Organic dairy farmer Kevin Stuedemann feeds leftover whey to his pigs on Derrydale Farm in Belle Plaine, Minnesota, U.S., October 24, 2020. Picture taken October 24, 2020. REUTERS/Bing Guan

A man carries a pig saved from landslides in Nam Tra My district, Quang Nam province, Vietnam October 30, 2020. REUTERS/Thanh Hue

Attendees watch a pig race at the Mississippi State Fair as it opens with coronavirus disease (COVID-19) restrictions in Jackson, Mississippi, U.S., October 7, 2020. REUTERS/Rory Doyle