Table 3.

Population doubling per day (PD) and doubling time (DT) for equine mesenchymal stem cells at passage 1 to 3

	Passage 1		Passage 2		Passage 3
	PD	DTb	PD	DT	PD	DT
H1a	0.52	47.10	0.42	59.11	0.32	76.51
H2	0.47	51.22	0.38	63.62	0.38	64.16
H3	0.51	47.54	0.43	55.65	0.26	93.79
Mean	0.50	48.62	0.41	59.46	0.32	78.15

^aH1, 2, 3 indicate different horses.

^bDT was calculated as hours at each passage.