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Table 3 Effect of all-trans retinol addition to the culture 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

567

86.1 ± 2.5

26.5 ± 2.4a

30.7 ± 2.6a

1.0

312

84.7 ± 3.2

27.1 ± 3.2ab

32.1 ± 3.5a

2.0

414

85.3 ± 2.9

28.8 ± 2.8a

34.1 ± 3.1a

5.0

303

80.8 ± 3.2

20.2 ± 3.2a

25.4 ± 3.5a

10.0

388

81.2 ± 3.0

13.5 ± 3.0c

16.2 ± 3.3b

  1. Values are listed as percentages. abcMeans in the same column with different superscripts were significantly different (p < 0.05).