Table 1.

Cardiac output distribution in the chick embryo in normoxia, hypoxia and after 5 min of reoxygenation for three different incubation time groups

	10–13 days (n = 10)			14–16 days (n = 13)			17–19 days (n = 12)
	Normoxia	Hypoxia	Reoxygen	Normoxia	Hypoxia	Reoxygen	Normoxia	Hypoxia	Reoxygen
Heart	1.73	2.44	4.34*	4.04	5.72†	5.56*	2.83	6.95*	3.45*
	1.42–2.73	1.97–2.77	2.45–5.21	2.77–4.54	4.45–7.07	4.57–6.50	2.38–3.32	4.40–10.94	2.49–7.66
Brain	3.03	4.01	6.42	4.20	6.40	8.72†	4.10	9.09†	8.83†
	2.64–5.89	3.23–4.93	4.77–8.83	2.97–4.75	4.71–8.90	6.22–9.70	3.11–5.17	7.28–9.85	6.72–11.64
CAM	55.56	64.48	48.33	40.45	56.72*	38.90	55.18	56.65	56.16
	49.04–60.00	50.97–71.19	37.54–58.72	33.85–52.86	42.89–64.27	29.13–47.01	38.04–70.16	40.12–75.78	34.96–65.03
Lungs	0.41	0.78	0.79	0.89	1.51	1.07	1.05	1.38	0.94
	0.35–0.88	0.60–1.33	0.64–1.13	0.59–2.31	0.97–2.73	0.54–2.23	0.72–1.96	0.51–1.66	0.45–1.25
Intestine	1.92	2.85	3.47*	3.64	2.96	5.56*	2.92	1.36*	3.25
	1.26–2.75	1.64–3.21	1.94–4.74	3.07–4.44	1.91–5.02	3.77–7.96	2.00–3.42	0.76–2.11	2.07–6.94
Liver	1.25	1.27	1.81*	3.08	0.82†	1.92*	1.31	0.48*	1.71
	0.84–1.74	0.76–1.70	1.65–2.45	2.26–4.33	0.66–1.78	1.60–3.06	0.73–1.91	0.31–0.69	0.92–2.26
Yolk sac	14.32	2.80	9.18	4.44	0.59†	3.91	2.29	1.40	1.30†
	4.63–19.48	1.74–8.54	5.64–14.1	2.71–6.05	0.47–1.64	2.95–4.38	1.11–3.31	0.32–2.61	0.79–1.80
Carcass	22.01	22.30	25.00	36.22	22.48†	34.50	31.10	21.39†	25.19
	19.44–26.41	16.47–24.85	22.16–30.31	29.67–41.94	17.73–30.31	28.91–43.38	17.08–42.78	7.84–27.64	18.19–34.91

Shown are median percentage of CO directed to each organ and interquartile range. Reoxygen, reoxygenation.

^*Significant difference compared with normoxia (P < 0.05)

^†significant difference compared with normoxia (P < 0.01).