Livestock farming

In this photo taken March 25, 2018, wild boar are seen roaming near houses in Lomianki county on Warsaw outskirts.Tens of thousands of Poles are protesting a government plan to hold a massive slaughter of wild boars as a way to stop the spread of the deadly African swine fever among farm pigs. (AP Photo/Czarek Sokolowski)

In this photo taken sometime between September and November 2018 and provided by Wolf Park, intern Alexandra Black trains with Khewa the wolf at Wolf Park in Battle Ground, Ind. The fatal mauling of Black, a zoo intern by a lion that escaped from a locked pen at the Conservators Center in North Carolina, illustrates the need for state regulators to crack down on unaccredited exhibitors of dangerous animals, animal welfare advocates said Monday, Dec. 31. (Monty Sloan/Wolf Park via AP)

In this photo taken sometime between September and November 2018 and provided by Wolf Park, intern Alexandra Black trains with Khewa the wolf at Wolf Park in Battle Ground, Ind. The fatal mauling of Black, a zoo intern by a lion that escaped from a locked pen at the Conservators Center in North Carolina, illustrates the need for state regulators to crack down on unaccredited exhibitors of dangerous animals, animal welfare advocates said Monday, Dec. 31. (Monty Sloan/Wolf Park via AP)

Conservators Center workers let a pickup truck enter property in Burlington, N.C., Monday, Dec. 31, 2018. An intern was cleaning an animal enclosure at the North Carolina wildlife center when a lion escaped from a nearby pen and attacked her, killing the young woman and sending visitors out of the zoo, authorities said. (Woody Marshall/The Times-News via AP)

The Conservators Center says a worker has been killed by a lion that got loose from a locked space, Sunday, Dec. 30, 2018, in Burlington, N.C. The facility was founded in 1999 and is in Burlington, about 50 miles northwest of Raleigh. (WTVD/ABC11 via AP)

FILE - In this Dec. 13, 2018 file photo, community members hold a candlelight vigil for Kelsey Berreth under the gazebo of Memorial Park in Woodland Park, Colo. Authorities say they have arrested the fiance of the Colorado woman who was last seen on Thanksgiving. Teller County sheriff's Cmdr. Greg Couch said Patrick Frazee was arrested Friday morning, Dec. 21 at his home in the community of Florissant, Colo. (Kelsey Brunner/The Gazette via AP, File)

FILE - In this Dec. 13, 2018 file photo, community members hold a candlelight vigil for Kelsey Berreth under the gazebo of Memorial Park in Woodland Park, Colo. Authorities say they have arrested the fiance of the Colorado woman who was last seen on Thanksgiving. Teller County sheriff's Cmdr. Greg Couch said Patrick Frazee was arrested Friday morning, Dec. 21 at his home in the community of Florissant, Colo. (Kelsey Brunner/The Gazette via AP, File)

A poster with the picture of the missing Kelsey Berreth is propped up with candles for a vigil Memorial Park in Woodland Park, Colo., on Thursday, Dec. 13, 2018. (Kelsey Brunner/The Gazette via AP)