6Armstrong D V. Heat stress interaction with shade and cooling [J]. J Dairy Sci, 1994, 77(7): 2044-2050.
7杨秀平,肖向红.动物生理学(第2版)[M].北京:高等教育出版社,2009.
8Ueda Y, Noor J I, Nagatomo K, et al. Generation of lipid radicals in the hippocampus of neonatal rats after acute hypoxie-ischemic brain damage [J]. Exp Brain Res, 2006, 169(1): 117-121.
