Jackson Poll Dorset Stud The Jackson Poll Dorset stud was founded in 2000 with the purchase of cast for age ewes from the Armdale and Allendale studs. Two stud sires were selected initially from the Armdale stud, and then Poll Dorset rams were purchased from Derrynock, Ulandi Park, Valma, and Gloroy and in 2017 the … Continue reading Poll Dorsets