“…Accepted 30 October 1978. poliomyelitis (Patocka,194]), and measles (Shaver, Bussel & Barron, 1964). More recently the ferret has been used in studies in gastroenterology (Pfeiffer & Weibel, ]973; Shillingford, Lindup & Parke, 1974), cardiology (Truex, Belej, Ginsberg & Hartman, 1974), teratology (Haddad, Rabe & Dumas, 1975), metabolism (Idle, Millburn & Williams, 1976), and endocrinology (Rieger & Murphy, 1977). However, there has been no systematic study of urine and blood chemistry, though limited haematological measurements (3 animals each) have been reported for Mustela nigripes (Pyle, 1940) and Mustela putorius Juro (Wintrobe & Wintrobe,196]).…”