Effect of potassium concentration, type of protein supplement, and embryo density on mouse preimplantation development in vitro

Mouse preimplantation embryos were used to test the effects of three culture parameters on development of 2-cell stage embryos to the late morula stage (40 to 43 hours of culture, 65 to 80 hours after fertilization): (1) concentration of potassium (K)—0.6 mM, 1.4 mM, and 6.0 mM; (2) type of protein...

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