A greyhound rehabilitated by veterinarians, stands at the Benjamin Mehnert Foundation (BMF), which shelters more than 600 animals, most of which are greyhounds that have suffered mistreatment or abandonment, in Utrera, near Seville, Spain December 1, 2022. REUTERS/Nacho Doce 

Greyhounds stand as they wait to be adopted by families at the Benjamin Mehnert Foundation (BMF), which shelters more than 600 animals, most of which are greyhounds that have suffered mistreatment or abandonment, in Utrera, near Seville, Spain December 1, 2022. REUTERS/Nacho Doce 

Veterinarian Silvia da Costa. 52, gives medication to the greyhounds at the Benjamin Mehnert Foundation (BMF), which shelters more than 600 animals, most of which are greyhounds that have suffered mistreatment or abandonment, in Utrera, near Seville, Spain December 1, 2022. REUTERS/Nacho Doce 

A hunter carries a greyhound for the Benjamin Mehnert Foundation (BMF), which shelters more than 600 animals, most of which are greyhounds that have suffered mistreatment or abandonment, in Utrera, near Seville, Spain December 1, 2022. REUTERS/Nacho Doce A hunter carries a greyhound for the Benjamin Mehnert Foundation (BMF), which shelters more than 600 animals, most of which are greyhounds that have suffered mistreatment or abandonment, in Utrera, near Seville, Spain December 1, 2022. REUTERS/Nacho Doce 

Volunteers Bud O'Connor, 77, and his wife Mary Jane O' Connor from U.S., look at greyhounds rehabilitated by veterinarians at the Benjamin Mehnert Foundation (BMF), which shelters more than 600 animals, most of which are greyhounds that have suffered mistreatment or abandonment, in Utrera, near Seville, Spain December 1, 2022. REUTERS/Nacho Doce 

Greyhounds stand as they wait for adoption at the Benjamin Mehnert Foundation (BMF), which shelters more than 600 animals, most of which are greyhounds that have suffered mistreatment or abandonment, in Utrera, near Seville, Spain November 30, 2022. REUTERS/Nacho Doce 

A greyhound rehabilitated by veterinarians, stands at the Benjamin Mehnert Foundation (BMF), which shelters more than 600 animals, most of which are greyhounds that have suffered mistreatment or abandonment, in Utrera, near Seville, Spain November 30, 2022. REUTERS/Nacho Doce 

A hunter carries greyhounds for the Benjamin Mehnert Foundation (BMF), which shelters more than 600 animals, most of which are greyhounds that have suffered mistreatment or abandonment, in Utrera, near Seville, Spain November 30, 2022. REUTERS/Nacho Doce 

Natalia Algaba Jimenez, 39, embraces a greyhound, who is in charge of walking them, at the Benjamin Mehnert Foundation (BMF), which shelters more than 600 animals, most of which are greyhounds that have suffered mistreatment or abandonment, in Utrera, near Seville, Spain November 30, 2022. REUTERS/Nacho Doce 

A veterinarian prepares to neuter a greyhound at the Benjamin Mehnert Foundation (BMF), which shelters more than 600 animals, most of which are greyhounds that have suffered mistreatment or abandonment, in Utrera, near Seville, Spain November 30, 2022. REUTERS/Nacho Doce TPX IMAGES OF THE DAY 

A greyhound rehabilitated by veterinarians, stands at the Benjamin Mehnert Foundation (BMF), which shelters more than 600 animals, most of which are greyhounds that have suffered mistreatment or abandonment, in Utrera, near Seville, Spain November 30, 2022. REUTERS/Nacho Doce 

Natalia Algaba Jimenez, 39, looks at the greyhounds, who is in charge of walking them, at the Benjamin Mehnert Foundation (BMF), which shelters more than 600 animals, most of which are greyhounds that have suffered mistreatment or abandonment, in Utrera, near Seville, Spain November 29, 2022. REUTERS/Nacho Doce 

Greyhounds rest, as they wait to be adopted by families at the Benjamin Mehnert Foundation (BMF), which shelters more than 600 animals, most of which are greyhounds that have suffered mistreatment or abandonment, in Utrera, near Seville, Spain November 29, 2022. REUTERS/Nacho Doce 

Foundation worker Azahar carries a greyhound for a cage after a rescue, as they move him for the Benjamin Mehnert Foundation (BMF), which shelters more than 600 animals, most of which are greyhounds that have suffered mistreatment or abandonment, in Utrera, near Seville, Spain November 29, 2022. REUTERS/Nacho Doce 

Veterinarian Estrella García de la Vega Hoyo, 29, treats a Warren Hound inside of hospital of the Benjamin Mehnert Foundation (BMF), which shelters more than 600 animals, most of which are greyhounds that have suffered mistreatment or abandonment, in Utrera, near Seville, Spain November 29, 2022. REUTERS/Nacho Doce 

A volunteer feeds greyhounds at the Benjamin Mehnert Foundation (BMF), which shelters more than 600 animals, most of which are greyhounds that have suffered mistreatment or abandonment, in Utrera, near Seville, Spain November 29, 2022. REUTERS/Nacho Doce 

Greyhound Racing - Newcastle Greyhound Stadium, Newcastle upon Tyne, Britain - December 30, 2020 Watermill Buffalo in action during the 14.36 Action Images/Lee Smith 

Greyhound Racing - Newcastle Greyhound Stadium, Newcastle upon Tyne, Britain - December 30, 2020 Watermill Buffalo in action during the 14.36 Action Images/Lee Smith 

Greyhound Racing - Newcastle Greyhound Stadium, Newcastle upon Tyne, Britain - December 30, 2020 Jumeirah Meadow, Old Buck and Do The Twist in action during the 14.04 Action Images/Lee Smith 

Greyhound Racing - Newcastle Greyhound Stadium, Newcastle upon Tyne, Britain - December 30, 2020 Jumeirah Meadow, Old Buck and Do The Twist in action during the 14.04 Action Images/Lee Smith 

Greyhound Racing - Newcastle Greyhound Stadium, Newcastle upon Tyne, Britain - December 30, 2020 Burgess Ronnie, Swift Unhallowed and A Bit of Beauty in action during the 14.36 Action Images/Lee Smith 

Greyhound Racing - Newcastle Greyhound Stadium, Newcastle upon Tyne, Britain - December 30, 2020 Burgess Ronnie, Swift Unhallowed and A Bit of Beauty in action during the 14.36 Action Images/Lee Smith 

Greyhounds compete during an annual international dog race in Gelsenkirchen, Germany, June 9, 2019. REUTERS/Thilo Schmuelgen TPX IMAGES OF THE DAY 

Dogs compete during an annual international dog race in Gelsenkirchen, Germany, June 9, 2019. REUTERS/Thilo Schmuelgen 

Dogs compete during an annual international dog race in Gelsenkirchen, Germany, June 9, 2019. REUTERS/Thilo Schmuelgen 

Dogs compete during an annual international dog race in Gelsenkirchen, Germany, June 9, 2019. REUTERS/Thilo Schmuelgen 

Dogs compete during an annual international dog race in Gelsenkirchen, Germany, June 9, 2019. REUTERS/Thilo Schmuelgen 

Dogs compete during an annual international dog race in Gelsenkirchen, Germany, June 9, 2019. REUTERS/Thilo Schmuelgen 

Dogs compete during an annual international dog race in Gelsenkirchen, Germany, June 9, 2019. REUTERS/Thilo Schmuelgen 

Dogs compete during an annual international dog race in Gelsenkirchen, Germany, June 9, 2019. REUTERS/Thilo Schmuelgen 

Dogs compete during an annual international dog race in Gelsenkirchen, Germany, June 9, 2019. REUTERS/Thilo Schmuelgen 

Dogs compete during an annual international dog race in Gelsenkirchen, Germany, June 9, 2019. REUTERS/Thilo Schmuelgen 

Greyhounds compete during an annual international dog race in Gelsenkirchen, Germany, June 9, 2019. REUTERS/Thilo Schmuelgen 

Migrants wait to be transported to a Greyhound bus while at a shelter and processing center in Deming, New Mexico, U.S. May 27, 2019. Picture taken May 27, 2019. REUTERS/Adria Malcolm 

Jhonne Padres and his son Angel Padres, from El Salvador, wait to board a Greyhound bus outside the Mimbres Food Mart in Deming, New Mexico, U.S. May 26, 2019. Picture taken May 26, 2019. REUTERS/Adria Malcolm 

Jhonne Padres and his son Angel Padres, from El Salvador, wait for a Greyhound bus outside the Mimbres Food Mart in Deming, New Mexico, U.S. May 26, 2019. Picture taken May 26, 2019. REUTERS/Adria Malcolm 

Migrants wait for a Greyhound bus outside the Mimbres Food Mart in Deming, New Mexico, U.S. May 26, 2019. Picture taken May 26, 2019. REUTERS/Adria Malcolm 

A migrant father and his son wait for a Greyhound bus outside the Mimbres Food Mart in Deming, New Mexico, U.S. May 26, 2019. Picture taken May 26, 2019. REUTERS/Adria Malcolm 

Jhonne Padres and his son Angel Padres, from El Salvador, wait for a Greyhound bus outside the Mimbres Food Mart in Deming, New Mexico, U.S. May 26, 2019. Picture taken May 26, 2019. REUTERS/Adria Malcolm 

Migrants wait for a Greyhound bus outside the Mimbres Food Mart in Deming, New Mexico, U.S. May 26, 2019. Picture taken May 26, 2019. REUTERS/Adria Malcolm 

A greyhound chases a hare during a hare coursing meeting in Abbeyfeale, Ireland December 28, 2018. REUTERS/Clodagh Kilcoyne TPX IMAGES OF THE DAY 

A greyhound owner takes his dog off the field after a hare coursing meeting in Abbeyfeale, Ireland December 28, 2018. REUTERS/Clodagh Kilcoyne 

A greyhound owner takes his dog off the field after a hare coursing meeting in Abbeyfeale, Ireland December 28, 2018. REUTERS/Clodagh Kilcoyne 

A greyhound chases a hare during a hare coursing meeting in Abbeyfeale, Ireland December 28, 2018. REUTERS/Clodagh Kilcoyne 

Greyhounds chase a hare during a hare coursing meeting in Abbeyfeale, Ireland December 28, 2018. REUTERS/Clodagh Kilcoyne 

Greyhounds chase a hare during a hare coursing meeting in Abbeyfeale, Ireland December 28, 2018. REUTERS/Clodagh Kilcoyne 

Greyhounds chase a hare during a hare coursing meeting in Abbeyfeale, Ireland December 28, 2018. REUTERS/Clodagh Kilcoyne 

Greyhounds chase a hare during a hare coursing meeting in Abbeyfeale, Ireland December 28, 2018. REUTERS/Clodagh Kilcoyne 

Greyhounds chase a hare during a hare coursing meeting in Abbeyfeale, Ireland December 28, 2018. REUTERS/Clodagh Kilcoyne 

A greyhound chases a hare during a hare coursing meeting in Abbeyfeale, Ireland December 28, 2018. REUTERS/Clodagh Kilcoyne 

A greyhound chases a hare during a hare coursing meeting in Abbeyfeale, Ireland December 28, 2018. REUTERS/Clodagh Kilcoyne 

A hare evades a greyhound during a hare coursing meeting in Abbeyfeale, Ireland December 28, 2018. REUTERS/Clodagh Kilcoyne 

Greyhounds chase a hare during a hare coursing meeting in Abbeyfeale, Ireland December 28, 2018. REUTERS/Clodagh Kilcoyne 

A greyhound chases a hare during a hare coursing meeting in Abbeyfeale, Ireland December 28, 2018. REUTERS/Clodagh Kilcoyne 

A greyhound chases a hare during a hare coursing meeting in Abbeyfeale, Ireland December 28, 2018. REUTERS/Clodagh Kilcoyne 

A greyhound wears a muzzle during a hare coursing meeting in Abbeyfeale, Ireland December 28, 2018. REUTERS/Clodagh Kilcoyne 

Greyhounds are shown before a race at Yat Yuen Canidrome in Macau, China March 24, 2018. Picture taken March 24, 2018. REUTERS/Bobby Yip 

Greyhounds take part in a race at Yat Yuen Canidrome in Macau, China March 24, 2018. Picture taken March 24, 2018. REUTERS/Bobby Yip 

A greyhound is shown before a race at Yat Yuen Canidrome in Macau, China March 24, 2018. Picture taken March 24, 2018. REUTERS/Bobby Yip 

Undocumented immigrants wait at a Greyhound bus station after being released from detention in San Antonio, Texas, U.S. July 13, 2018. REUTERS/Callaghan O'Hare