Table. 3.

Comparison of recovery efficiency of oocytes and oocytes grade according to once and twice OPU session in a week in Hanwoo cows

OPU frequency (/week) No. donor cow Sessions No. follicle (Mean±SD) No. collected oocytes (%) Oocytes grade (%)

G1 G2 G3 G4
Once 3 24 292 (12.17 ± 3.47) 65.5 ± 1.9 25.3 ± 0.9b 20.0 ± 2.7 23.7 ± 2.8 25.4 ± 2.2
Twice 3 42 650 (15.85 ± 5.37) 68.7 ± 1.4 32.5 ± 1.2a 25.5 ± 3.0 21.8 ± 1.7 25.7 ± 5.2

G1: Grade 1, G2: Grade 2, G3: Grade 3, G4: Grade 4.

Values with different superscripts differ significantly between once and twice OPU session groups (p < 0.01).

Journal of Animal Reproduction and Biotechnology 2019;34:300~304 https://doi.org/10.12750/JARB.34.4.300
© J Anim Reprod Biotechnol