[Investigations on the antioxidative metabolism during the periparturient period in dairy goats with special regard to seasonal differences in feeding and management].

In a herd of 1400 dairy goats with an average milk yield of 840 kg/year, 40 "Weisse Deutsche Edelziegen" (October-January: n = 19; April-July: n = 21) were examined. Venous blood samples were collected 6-8, 3-4 and < 2 weeks (wks) ante partum (a. p.