Veterinary Medicine International

Research Article

Efficacy of Tuohy Needle in Oocytes Collection from Excised Mare Ovaries

Table 2

Cumulus morphology by different collection techniques.


Collection technique	no.	no.	Compact cumulus	Expanded cumulus	Partial cumulus
Collection technique	ovaries	oocytes	no. (%)	no. (%)	no. (%)

unpeeled and scraping	160	445	$209 (46.97 \pm 0.13 %)^{a}$	$172 (38.65 \pm 0.03 %)^{a}$	$64 (14.38 \pm 0.03 %)^{a}$
peeled and scraping	143	611	$324 (53.02 \pm 0.05 %)^{b}$	$170 (27.82 \pm 0.08 %)^{b}$	$117 (19.15 \pm 0.08 %)^{b}$
unpeeled 16-g needle	41	94	$37 (39.36 \pm 0.01 %)^{c}$	$24 (25.53 \pm 0.03 %)^{c}$	$33 (35.11 \pm 0.03 %)^{c}$
peeled 16-g needle	38	120	$53 (44.17 \pm 0.09 %)^{d}$	$16 (13.33 \pm 0.03 %)^{d}$	$51 (42.5 \pm 0.05 %)^{d}$
unpeeled Tuohy needle	46	145	$68 (46.90 \pm 0.13 %)^{e}$	$41 (28.28 \pm 0.09 %)^{e}$	$36 (24.83 \pm 0.13 %)^{e}$
peeled Tuohy needle	273	1003	$491 (48.95 \pm 0.05 %)^{f}$	$289 (28.81 \pm 0.07 %)^{f}$	$223 (22.23 \pm 0.09 %)^{f}$

Values with different superscripts within the same column differ (

P < . 001

).