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Table 4 Effect of all-trans retinol addition to the culture medium (mean ± S. E. M.). Embryos were cultured under atmospheric oxygen conditions.

From: Retinol improves bovine embryonic development in vitro

Retinol concentration (μM) Putative zygote (n) Cleavage Blastocyst/ putative zygote Blastocyst/ cleaved
0 400 73 ± 4.6 14 ± 2.3a 19.2 ± 3.2a
5.0 400 74 ± 1.5 28.8 ± 3.0b 38.9 ± 3.9b
  1. Values are listed as percentages. abMeans in the same column with different superscripts were significantly different (p < 0.001).
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