By Vassia Barba A rancher has admitted to an audacious plan of creating ‘giant’ hybrid sheep by illicitly using tissue and testicles from wild sheep hunted across Asia and the US, court documents reveal. Arthur ‘Jack’ Schubarth, 80, from Vaughn, Montana, pleaded guilty to felony charges of wildlife trafficking and conspiracy. His brazen scheme involved breeding colossal sheep hybrids for sale to private hunting preserves in Texas, prosecutors claim. According to court documents, Schubarth and his accomplices began this secret project in 2013. Their goal was to create “giant sheep hybrids” by c…