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Table 1 Effect of all-trans retinol addition to bovine oocyte maturation medium (mean ± S. E. M.). Embryos were cultured under low oxygen conditions.

From: Retinol improves bovine embryonic development in vitro

Retinol concentration (μM) Putative zygote (n) Cleavage Blastocyst/ putative zygote Blastocyst/ cleaved
0 1095 66.7 ± 2.7 21.9 ± 1.9a 32.8 ± 2.2a
1.0 464 65.5 ± 3.9 20.4 ± 2.6a 31.7 ± 3.1a
5.0 1069 68.3 ± 3.2 26.1 ± 2.2b 37.1 ± 2.5b
10.0 508 70.1 ± 3.9 24.2 ± 2.7ab 33.8 ± 3.1ab
  1. Values are listed as percentages. abMeans in the same column with different superscripts approach significance (p < 0.07).
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