Improvement on the development of mouse embryos cultured in vitro has been resulted from the ad- dition of Na-lactate into PBS and both Na-laetate and Na-pyruvate into TCM-199.

• 结果在改良的 TCM-199液和SOF 液之间未见显著差异,但这两种液与 PBS 液相比则差异均高度显著。