4Aeharya U R, Mishra M,Mishra I, et al. potential role of vitamins in chromium induced spermatogenesis in swiss mice[J]. Environ Toxicol Pharmacol, 2004, 15: 53-59.
5Eder K, Flader D, Hirche F, et ol. Excess dietary vitamin E lowers the activities of antioxidative enzymes in erythroeytes of rats fed salmon oil[J]. J Nutr, 2002, 132(11): 3400-3404.
6Renerre M, Poncet K, Mercier Y, et al. Influence of dietary fat and vitamin E on antioxidant status of muscles of turkey[J]. J Agr Food Chem, 1999, 47: 237-244.
7Mourente G, Tocher D R, Diaz Salvago E. Increased activities of hepatic antioxidant defence enzymes in juvenile gihhead sea bream (Sparus aurata L.) fed dietary oxidized oil; attenuation by dietary vitamin E[J]. Aquaculture, 2002, 214: 343-361.
8Suleiman S A, Ali M E, Zaki Z M, et al. Lipid peroxidation and human sperm motility:protective role of vitamin E [J]. J Androl, 1996, 17(5): 530-537.
9Yousef M l, Abdallah G A, Kamel K I. Effect of ascorbic acid and Vitamin E supplementation on semen quality and biochemical parameters of male rabbits[J]. Anim Reprod Sci, 2003, 76: 99-111.
10Combs J R. Vitamine tolerance animals should be considered[J]. Feedstuffs, 1993, 3: 14217.