6Suriyasomboon A,Lundehein N,Kunavongkrit A, et al. Effect of temperature and humidity on sperm morphology in Duroc boars under different housing systerms in Thailand ~J]. J Vet Med Sci,2005(6):777-785.
7Chin L J, Tan L M. Myeo toxins in feed explored [J].Feed stuffs, 2005,26(11):12-13.
8Diaz-Llano G, Smith T K. Effects of feeding grains natu- rally contaminated with Fusarium my cotoxins with and without apolymeric glucom annan mycotoxin adsorbent on reproductive per for mance and serum chemistry of preg- nant gilts[J]. Journal of Animal Science, 2006(84):2361- 2366.