At 80 years of age, Bookham sheep farmer Bruce Hazell may be retired but he is still eager on providing a watchful eye over his 550-acre property. While he still conducts maintenance work about twice a week, his son, David, who lives nearby across the Hume Highway, has mostly taken over most of the duties. “I'd like to do a bit more but I've got a fair bit of arthritis. But I’m still very keen in rearing sheep,” Mr Hazell said. “I’d spray the odd thistle, we're very conscientious about thistles.