An 81-year-old man was sentenced to six months in prison for his yearslong effort to create giant hybrid sheep for captive hunting operations.

An Octogenarian Montana livestock rancher was sentenced Monday to six months in prison for cloning giant sheep hybrids to be sold and hunted, federal prosecutors said.

An 81-year-old Montana man is expected to be sentenced for using tissue and testicles from large sheep hunted in Central Asia and the U.S. to illegally create hybrid sheep for captive trophy hunts in

The 81-year-old breeder imported tissue from the Marco Polo argali sheep, the world's largest, from Kyrgyzstan.

Arthur "Jack" Schubarth's crime "ruined his life, reputation and family," his attorneys said. The rancher was sentenced to six months in prison.

Arthur ‘Jack’ Schubarth says he simply wanted ‘to make the best sheep I could for this sheep industry.’ A US District Court Judge sentenced Arthur “Jack” Schubarth–the Montana man who illegally bred and sold gigantic Frankensheep clones to big game preserves –to six months in prison and over $24,

Arthur "Jack" Schubarth allegedly used tissue and testicles from large sheep hunted in Central Asia and the U.S. to create hybrid sheep for captive trophy hunting.

Prosecutors said the Montanan illegally used tissue from a sheep from Central Asia and the testicles from a bighorn sheep to make large hybrids that he could sell at premium prices.