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Table 2 Effect of all-trans retinol addition to bovine oocyte maturation medium on embryo development among replicate groups where less than 20% of control embryos reached the blastocyst stage (mean ± S. E. M.).

From: Retinol improves bovine embryonic development in vitro

Retinol concentration (μM) Putative zygote (n) Cleavage Blastocyst/ putative zygote Blastocyst/ cleaved
0 516 62.7 ± 3.9 14.4 ± 2.1a 23.7 ± 2.6a
1.0 185 60.0 ± 6.0 15.9 ± 3.4ab 26.1 ± 4.2ab
5.0 530 65.9 ± 4.6 23.7 ± 2.5b 34.6 ± 3.1b
10.0 183 63.3 ± 6.7 17.6 ± 3.8ab 26.7 ± 4.6ab
  1. Values are listed as percentages. abMeans in the same column with different superscripts were significantly different (p < 0.02).
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