Table I. Mortality of 4-day to 17-day Chicken Embryos Following Treatment with S-H.p.-SUSP (3_10⁶ Bacteria/egg), S-LPS (500 ng/egg) or Phosphorylated S-LipA (500 ng/egg). Each Percentage has been Calculated from 20 Experimental Data

Day of incubation	Mortality within 4 hours (% ± S.E.)
	S-H.p.-SUSP	S-LPS	S-Lip A
4	0 ± 0.0	0 ± 0.0	0 ± 0.0
6	10 ± 6.7	10 ± 6.7	5 ± 4.8
8	10 ± 6.7	20 ± 8.9	30 ±10.2
10	90 ± 6.7	95 ± 4.8	95 ± 4.8
12	90 ± 6.7	95 ± 4.8	90 ± 6.7
17	90 ± 6.7	95 ± 4.8	90 ± 6.7
Day of incubation	Mortality within 4 hours (% ± S.E.)
	S-H.p.-SUSP	S-LPS	S-Lip A
4	0 ± 0.0	0 ± 0.0	0 ± 0.0
6	10 ± 6.7	10 ± 6.7	5 ± 4.8
8	10 ± 6.7	20 ± 8.9	30 ±10.2
10	90 ± 6.7	95 ± 4.8	95 ± 4.8
12	90 ± 6.7	95 ± 4.8	90 ± 6.7
17	90 ± 6.7	95 ± 4.8	90 ± 6.7