Table 4. Effects of BHBA supplementation on culture of bovine embryos#.
Concentration (mg/l) | No. of embryos cultured | No. of embryoscleaved (%)* | No. ofblastocysts (%)* |
0 | 131 | 116 (86.8 ± 2.5) | 57 (43.4 ± 1.8)a |
25 | 131 | 104 (79.8 ± 3.0) | 46 (35.7 ± 6.6)a |
50 | 134 | 112 (80.4 ± 1.4) | 28 (19.0 ± 4.0)b |
100 | 136 | 105 (78.3 ± 6.6) | 28 (21.1 ± 5.0)b |
250 | 136 | 101 (73.6 ± 6.2) | 20 (14.2 ± 4.3)b |
# Data from 5 replicates. *Percentages of cultured embryos represent means ± SEM. a-b Values with different superscripts differ significantly (P<0.05).