Table 2.

Effect of phosphatidylcholine on age-related decline of motility.

Age (day)	Phase	Control (%)	10 mg/l PC (%)	100 mg/l PC (%)
5	1	100	100	100
	2	0	0	0
	3	0	0	0
	Dead	0	0	0
10	1	90.1 ± 3.33	95.6 ± 1.41	94.7 ± 3.53
	2	5.0 ± 1.64	3.7 ± 2.03	4.0 ± 2.31
	3	2.0 ± 1.10	0	0
	Dead	2.7 ± 1.80	0.7 ± 0.72	1.3 ± 1.33
15	1	51.2 ± 10.32	72.8 ± 22.29	62.3 ± 18.23
	2	11.7 ± 4.47	14.2 ± 4.79	19.2 ± 9.88
	3	17.4 ± 2.27	8.1 ± 5.00	7.9 ± 4.90
	Dead	19.7 ± 5.13	4.9 ± 2.79	10.6 ± 3.56
20	1	7.5 ± 1.13	24.0 ± 3.46∗	22.3 ± 4.91∗
	2	6.1 ± 0.55	23.3 ± 3.84∗	20.6 ± 3.71∗
	3	9.1 ± 1.15	11.7 ± 1.76	14.1 ± 2.88
	Dead	77.3 ± 2.60	41.0 ± 3.21∗	43.0 ± 5.25∗
25	1	0.67 ± 0.67	7.3 ± 1.86∗	3.7 ± 0.30∗
	2	0.33 ± 0.33	4.3 ± 2.60	7.2 ± 1.84∗
	3	5.29 ± 2.09	11.0 ± 3.79	8.1 ± 1.47
	Dead	93.7 ± 3.02	77.3 ± 2.03∗	81.0 ± 1.11∗

PC: phosphatidylcholine; ^∗statistically significant compared to control (P < 0.05).